User manual

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General
1
2
Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support tel. [phone]
Fax [phone]
E-mail: [e-mail]
www.janitza.com
www.janitza.com
Doc. no. 2.061.012.1e 02/2018
Part no. 33.03.360
Power Analyser
UMG 96-PA
Installation manual

Installation

Device settings
Deutsche Version:
siehe Vorderseite
3
14
42
Safety
Safety information
The installation manual does not represent a full
listing of all necessary safety measures required
for safe operation of the device.
Special operating conditions may require further
measures. The installation manual contains
instructions that must be observed to ensure
your personal safety and to prevent damage to
property.
Symbols used:
c
This symbol is an addition to the
safety instructions and indicates
an electrical hazard.
m
This symbol is an addition to the
safety instructions and indicates
a potential hazard.

This symbol with the word NOTE!
describes:
• Procedures that do not pose
any risks of injures.
• Important information, proce-
dures or handling steps.
Safety information is highlighted by a warning
triangle and
is indicated as follows depending on the degree
of danger:
m
DANGER!
Indicates an imminent danger that
causes severe or fatal injuries.
m
WARNING!
Indicates a potentially hazardous
situation that can cause severe
injuries or death.
m
CAUTION!
Indicates a potentially hazardous
situation that can cause minor
injuries or damage to property.
Safety measures
When operating electrical devices, certain parts
of these devices are invariably subjected to
hazardous voltage. Therefore, severe bodily
injuries or damage to property can occur if they
are not handled properly:
• Before connecting connections, earth the
device at the ground wire connection if
present.
• Hazardous voltages may be present in all
switching parts that are connected to the
power supply.
• Hazardous voltages may also be present
in the device even after disconnecting the
supply voltage (capacitor storage).
• Do not operate equipment with current
transformer circuits while open.
• Do not exceed the threshold values specifi ed
in the user manual and on the rating plate!
Also adhere to this during inspection and
commissioning!
• Observe the safety and warning instructions in
the documents that belong to the device!
Qualifi ed staff
In order to prevent personal injuries and damage
to property, only qualifi ed staff with electrical
training may work on the device, with knowledge
of
• the national accident prevention regulations
• the safety engineering standards
• installing, commissioning and operating the
device.
Proper use
The device is
• intended to be installed in switching cabinets
and small installation distributors. It can be
installed in any installation position (please
observe step 3 "Assembly").
• not intended for installation in vehicles!
The use of the device in mobile equipment
is considered to be non-standard
environmental conditions and is therefore
only permitted after separate agreement.
• not intended for installation in environments
with hazardous oils, acids, gases, vapours,
dusts, radiation, etc.
The prerequisites of faultless, safe operation
of this device are proper transport and proper
storage, set-up, installation, operation and
maintenance.
The UMG 96-PA is a multi-functional network
analyser, which:
• Measures and calculates electrical variables
such as voltage, current, frequency,
power, energy, harmonics (up to the 25th
harmonic), etc. in building installations,
on distribution units, circuit breakers and
busbar trunking systems.
• Displays and saves measurement results
and transmits them via interfaces.
Device short description
Install the UMG 96-PN in the weatherproof front
panel of switch cabinets.
Cut-out size:
92
+0.8
x 92
+0.8
mm
Ensure!
Adequate ventilation
• install the device vertically!
• adhere to clearances from
neighbouring components!
Fig. Installation position
Rear view of UMG 96-PA
Installation Connecting the supply voltage
The supply voltage level for your device is
specifi ed on the rating plate. After connecting
the supply voltage, an indication is shown on the
display. If no display appears, check whether the
supply voltage is within the rated voltage range.
Fuse
(UL/IEC listed)
Isolation device
13
m
CAUTION!
Damage to property due to not observing the installation instructions
Failing to observe the installation instructions can damage or destroy your device.
Ensure that you have enough air circulation in your installation environment and, in the event of
high environmental temperatures, provide cooling if necessary.

NOTE!
More detailed information on the device functions, data and installation can be found in the user
manual.
Confi guration for an RS485
connection
After the power returns, the device displays the
fi rst measured value indication "Summary".
• Press button 1 "Esc".
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Use the corresponding buttons to select
the "Confi guration" menu and confi rm by
selecting with button 6 "Enter".
• Use the corresponding buttons to select
the “Communication” menu and confi rm by
selecting with button 6 “Enter”.
• Set the device address, baud rate and data
frames. Select the menu item for this and
confi rm by selecting with button 6 "Enter".
• Set the digits or the displayed options with
the buttons 3 and 4. For numeric inputs, the
selection of the digit position occurs with the
buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the "Communication" menu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 "Enter"!
Disclaimer
Observing the information products for
the devices is the prerequisite for safe
operation and in order to obtain the specifi ed
performance and product features. Janitza
electronics GmbH accepts no liability for
injuries to personnel, property damage or
fi nancial losses arising due to a failure to
comply with the information products.
Ensure that your information products are
legible and accessible.
Further documentation is available on our
website at www.janitza.com under
Support > Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Duplication, editing,
dissemination and other utilisation, also in part,
is prohibited.
Subject to technical changes.
• Please ensure that your device complies
with the installation manual.
• Please read and understand the documents
enclosed with the product fi rst.
• Keep the documents enclosed with the
product available throughout the entire
service life of the product and pass them
on to subsequent users if applicable.
• Inform yourself of any device revisions
and the associated updates to the
documentation enclosed with the product
at www.janitza.com.
Disposal
Observe the national regulations! If necessary,
dispose of individual parts according to their
properties and existing country-specifi c
regulations, e.g. as:
• Electronic waste
• Plastics
• Metals
or commission a certifi ed disposal company
with scrapping.
Relevant laws,
applied standards and directives
For information on the laws, standards and
directives that Janitza electronics GmbH has
applied for the device, see the declaration of
conformity on our website (www.janitza.de).
Voltage measurement
3-phase 4-conductor
systems with rated
voltages of up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
3-phase 3-conductor
systems, not earthed, with
rated voltages of up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Measurement surge
voltage
6 kV
Protection of voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Metering range L-N
0
1)
to 600 Vrms
(max. overvoltage 800 Vrms )
Metering range L-L
0
1)
to 1040 Vrms
(max. overvoltage 1350 Vrms )
Resolution 0.01 V
Crest factor 2.45 (based on metering range)
Impedance 3 MΩ / phase
Power consumption approx. 0.1 VA
Sampling rate 8.33 kHz
Frequency of the mains
frequency - resolution
45 Hz to 65 Hz
0.01 Hz
1) ... The device only determines measured values, if a voltage
L1-N greater than 20 Veff (4 conductor measurement) or a
voltage L1-L2 greater than 34 Veff (3 conductor measurement)
is applied at the voltage measurement input V1.
Current measurement
Rated current 5 A
Metering range 0.005 to 6 A
rms
Crest factor
(with regard to the rated current)
2 (with regard to 6 A
rms
)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Measurement surge voltage 2 kV
Power consumption approx. 0.2 VA (Ri=5 mΩ)
Sampling rate 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage max. 33 V AC, 60 V DC
Switching current max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulses) max. 50 Hz
Serial interface
RS485 to Modbus RTU/Slave
9.6 kbps, 19.2 kbps,
38.4 kbps, 57.6 kbps,
115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs / outputs, analogue output)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.2 - 2.5 mm
2
, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. Supply voltage connection.
5
m
CAUTION!
Damage to property due to
disregard of the connection
conditions or impermissible
voltage swells
Your device can be damaged or destroyed
by a failure to comply with the connection
conditions or by exceeding the permissible
voltage range.
Before connecting the device to the supply
voltage, please check:
• Voltage and frequency correspond to the
details on the ratings plate! Adhere to
the threshold values as described in the
user manual!
• In building installations, the supply
voltage must be protected with a UL/IEC
approved circuit breaker / a fuse!
• The circuit breaker
- must be easily accessible for the user
and be installed close to the device.
- must be labelled for the relevant
device.
• Do not connect the supply voltage to the
voltage transformers.
• Provide a fuse for the neutral conductor
if the source's neutral conductor
connection is not earthed.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due to:
• touching bare or stripped wires that are live,
• device inputs that are dangerous to touch.
De-energise your device before starting
work! Check that it is de-energised.
6
Voltage measurement
The device has 3 voltage measurement inputs
and is suitable for different connection variants.
m
CAUTION!
Risk of injuries or
damage to the device
Failure to observe the connection conditions
for the voltage measurement inputs can cause
injuries to you or damage to the device.
Therefore, note the following:
• The voltage measurement inputs
- must not be occupied with DC voltage.
- must be provided with a suitable,
labelled fuse that is positioned close
by and a circuit breaker (alternatively:
a line safety switch).
- are dangerous to touch.
• Voltages that exceed the permissible
network rated voltages must be
connected via a voltage transformer.
• Measured voltages and currents must
derive from the same network.

NOTE!
As an alternative to the fuse and isolation
device, you can use a circuit breaker.
Connection variant "Direct voltage measurement
in a three-phase, four-conductor system"
The voltage measurement inputs are designed for
measurements in low voltage networks, in which
rated voltages of up to
• 417 V phase to earth and 720 V phase to phase
in the 4-conductor system or
• 600 V phase to phase in the 3-conductor system
can occur.
The measurement and surge voltages meet
overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum rated voltages (DIN EN 61010-1/A1):
7
Voltage measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Voltage measurement in the
three-phase, four-conductor
system
Voltage measurement in the
single-phase, three-conductor
system
V1
V2
V3
VN
V1
V2
V3
VN
8
The device
• is only approved for a current measurement
with a current transformer.
• is intended for connecting current
transformers with secondary currents
of ../1 A and ../5 A.
• has the current transformer ratio 5/5 A set
as standard.
• does not measure DC
The current transformer must have basic
insulation per IEC 61010-1:2010 for the rated
voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due
to:
• Touching bare or stripped wires that are live.
• Current measurement inputs that are
dangerous to touch on the device and on
the current transformers.
De-energise your device before starting
work! Check that it is de-energised.
Earth the system. To do this, use the earth
connection points with the earthing symbol.
L2
L3
N
L1
Load
Connection "Current measurement via
current transformers"
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to large
currents and high electric
voltages!
Current transformers that are operated open in the
secondary side (high voltage peaks) can cause
severe bodily injuries or death.
Avoid operating current transformers when open,
short circuit transformers that are unloaded!
9
Current measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Current measurement via
current transformer in three-
phase four-conductor system
Current measurement in
single-phase three-conductor
system
Three-phase four-conductor
system
Current measurement via 2
current transformers in three-
phase four-conductor system

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
Voltage transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.

NOTE!
Current transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.
10
Establish the connection to the PC
The most common connections for communication
between the PC and the device:
m
CAUTION!
Damage to property due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network!
Obtain information from your network
administrator about the correct Ethernet
network settings for your device.
More details on device confi guration and
communication can be found starting at step 12.
Fig. Rear side of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection
via interface converter.
RS232
RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection
via interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Connection of the device
via a UMG 604 as a gateway.
UMG 604
RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection of the device via the RS485
serial interface with, for example, a UMG 604 as
gateway (see step "Establish the connection to the
PC") is a method for confi guring the device(s)
• and reading
• out data.
Correct
Incorrect
Terminal strip
(switch cabinet).
Device with RS485
interface
(Without termination
resistor).
Device with RS485
interface
(termination resistor
on the device).
Example: PC connection via RS485 interface and UMG 604 as gateway
RS485 bus structure
• In an RS485 bus structure (line), connect all
devices according to the master-slave principle.
• One segment in an RS485 bus structure can
contain up to 32 participants/devices.

NOTE!
The corresponding menu items are used
to assign the slave devices (UMG 96-PA)
in the RS485 bus structure
• different device addresses
• different device addresses to the
master device (UMG 604)
• the same transmission rate (baud rate)
• the same data frames
e.g. Connection
to the UMG
604 as gateway
(master)
e.g. Connection
of further slave
devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable at the start and the end of
a segment with termination resistors (120 Ω,
0.25 W). The device does not contain a
termination resistor.
• With more than 32 subscribers, repeaters
must be used to connect segments.
12
The UMG 96-PA is operated via 6 function keys
for
• selecting measured value indications.
• Navigation within the menus.
• Editing device settings.
Button Function
• Display selection menu
• Exit selection menu
• Abort action
• Select position (to the left)
• Select menu item
• Change (selection, number -1)
• Select menu item
• Change (selection, number +1)
• Select position (to the left)
• Confi rm selection
Operation and button functions
Labelling of the
function keys
Display title
Measured
values
Function keys
Fig. UMG 96-PA display - measured value
indication

NOTE! Current and voltage
transformer ratios.
The current and voltage transformer
ratios can be conveniently confi gured via
• the Confi guration > Measurement
menu
• the GridVis® software.

NOTE!
Further information on operation,
displays and button functions for your
device can be found in the user manual.
16
Procedure in the event of faults
Possible fault Cause Remedy
No display
External fuse for the power supply voltage has
tripped.
Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measuring-circuit current.
Current displayed is too high
or too low.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed.
Read out and program the CT ratio on the current
transformer.
Current harmonics exceed the current peak
at the measurement input
Install current transformer with a larger CT ratio.
The current at the measurement input fell short of. Install current transformer with a smaller CT ratio.
Displayed voltage is too high
or too low.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed.
Read out and program the voltage transformer ratio
at the voltage transformer.
Displayed voltage
is too low.
Measurement range exceeded. Use voltage transformers.
The peak voltage value at the measurement input
has been exceeded by the harmonics.
Attention! Ensure the measurement inputs are not
overloaded.
"EEE" on the display See "Error messages" in the user manual.
Device still does not work
despite the above measures.
Device defective.
Send the device and error description to the
manufacturer for inspection.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present
18 V to 28 V DC
(typically 4 mA)
Input signal not present
0 to 5 V DC,
current less than 0.5 mA
Analogue output
External supply max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 bit
Programming the current / voltage
transformer
• Press button 1 "Esc" to access the overview
menu.
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Press button 3 or 4 to select the
“Confi guration” menu item.
Confi rm it with button 6 “Enter”.
• Use the corresponding buttons to select
the "Measurement" menu and confi rm by
selecting with button 6 "Enter".
• Open the "Measurement" submenu with
button 6 "Enter".
• Use buttons 2 to 5 to select the primary and
secondary current and voltage transformer.
• To edit it, confi rm with button 6 "Enter".
• Change the displayed value with buttons
3 and 4. The selection of the digit position
occurs with the buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the window with button 1 "Esc".
• Close the "Measurement" submenu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 “Enter”!
15
Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption
230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse,
not replaceable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for line protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General
Net weight (with attached
connectors)
approx. 250 g
Package weight
(incl. accessories)
approx. 300 g
Service life of backlight
40000 h
(over 40000 h, the backlight
reduces to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25° C to +70° C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA stationary and in a weatherproof location.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Rated temperature range K55 (-10° C .. +55° C)
Relative humidity 0 to 75% RH
Operating altitude 0 to 2000 m above sea level
Pollution degree 2
Installation position upright
Ventilation No forced ventilation required.
Protection against ingress of
solid foreign bodies and water
- Front
- Rear
- Front with seal
IP40 in acc. with EN60529
IP20 in acc. with EN60529
IP54 in acc. with EN60529
Warning with
measurement range
exceedance in the
current and voltage
paths I1-I3 and
U1-U3
L2
L3
N
L1
1)
Isolation device
2)
Fuse (UL/IEC listed)
1) 1) 1)
2) 2) 2)
User manual:
Voltage
Voltage
The device can be used in
• TN and TT networks
• domestic and industrial areas.
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC U
L-N
/ U
L-L:
417 VLN / 720 VLL
UL U
L-N
/ U
L-L:
347 VLN / 600 VLL
Functional earth
General
1
2
Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support tel. [phone]
Fax [phone]
E-mail: [e-mail]
www.janitza.com
www.janitza.com
Doc. no. 2.061.012.1e 02/2018
Part no. 33.03.360
Power Analyser
UMG 96-PA
Installation manual

Installation

Device settings
Deutsche Version:
siehe Vorderseite
3
14
42
Safety
Safety information
The installation manual does not represent a full
listing of all necessary safety measures required
for safe operation of the device.
Special operating conditions may require further
measures. The installation manual contains
instructions that must be observed to ensure
your personal safety and to prevent damage to
property.
Symbols used:
c
This symbol is an addition to the
safety instructions and indicates
an electrical hazard.
m
This symbol is an addition to the
safety instructions and indicates
a potential hazard.

This symbol with the word NOTE!
describes:
• Procedures that do not pose
any risks of injures.
• Important information, proce-
dures or handling steps.
Safety information is highlighted by a warning
triangle and
is indicated as follows depending on the degree
of danger:
m
DANGER!
Indicates an imminent danger that
causes severe or fatal injuries.
m
WARNING!
Indicates a potentially hazardous
situation that can cause severe
injuries or death.
m
CAUTION!
Indicates a potentially hazardous
situation that can cause minor
injuries or damage to property.
Safety measures
When operating electrical devices, certain parts
of these devices are invariably subjected to
hazardous voltage. Therefore, severe bodily
injuries or damage to property can occur if they
are not handled properly:
• Before connecting connections, earth the
device at the ground wire connection if
present.
• Hazardous voltages may be present in all
switching parts that are connected to the
power supply.
• Hazardous voltages may also be present
in the device even after disconnecting the
supply voltage (capacitor storage).
• Do not operate equipment with current
transformer circuits while open.
• Do not exceed the threshold values specifi ed
in the user manual and on the rating plate!
Also adhere to this during inspection and
commissioning!
• Observe the safety and warning instructions in
the documents that belong to the device!
Qualifi ed staff
In order to prevent personal injuries and damage
to property, only qualifi ed staff with electrical
training may work on the device, with knowledge
of
• the national accident prevention regulations
• the safety engineering standards
• installing, commissioning and operating the
device.
Proper use
The device is
• intended to be installed in switching cabinets
and small installation distributors. It can be
installed in any installation position (please
observe step 3 "Assembly").
• not intended for installation in vehicles!
The use of the device in mobile equipment
is considered to be non-standard
environmental conditions and is therefore
only permitted after separate agreement.
• not intended for installation in environments
with hazardous oils, acids, gases, vapours,
dusts, radiation, etc.
The prerequisites of faultless, safe operation
of this device are proper transport and proper
storage, set-up, installation, operation and
maintenance.
The UMG 96-PA is a multi-functional network
analyser, which:
• Measures and calculates electrical variables
such as voltage, current, frequency,
power, energy, harmonics (up to the 25th
harmonic), etc. in building installations,
on distribution units, circuit breakers and
busbar trunking systems.
• Displays and saves measurement results
and transmits them via interfaces.
Device short description
Install the UMG 96-PN in the weatherproof front
panel of switch cabinets.
Cut-out size:
92
+0.8
x 92
+0.8
mm
Ensure!
Adequate ventilation
• install the device vertically!
• adhere to clearances from
neighbouring components!
Fig. Installation position
Rear view of UMG 96-PA
Installation Connecting the supply voltage
The supply voltage level for your device is
specifi ed on the rating plate. After connecting
the supply voltage, an indication is shown on the
display. If no display appears, check whether the
supply voltage is within the rated voltage range.
Fuse
(UL/IEC listed)
Isolation device
13
m
CAUTION!
Damage to property due to not observing the installation instructions
Failing to observe the installation instructions can damage or destroy your device.
Ensure that you have enough air circulation in your installation environment and, in the event of
high environmental temperatures, provide cooling if necessary.

NOTE!
More detailed information on the device functions, data and installation can be found in the user
manual.
Confi guration for an RS485
connection
After the power returns, the device displays the
fi rst measured value indication "Summary".
• Press button 1 "Esc".
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Use the corresponding buttons to select
the "Confi guration" menu and confi rm by
selecting with button 6 "Enter".
• Use the corresponding buttons to select
the “Communication” menu and confi rm by
selecting with button 6 “Enter”.
• Set the device address, baud rate and data
frames. Select the menu item for this and
confi rm by selecting with button 6 "Enter".
• Set the digits or the displayed options with
the buttons 3 and 4. For numeric inputs, the
selection of the digit position occurs with the
buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the "Communication" menu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 "Enter"!
Disclaimer
Observing the information products for
the devices is the prerequisite for safe
operation and in order to obtain the specifi ed
performance and product features. Janitza
electronics GmbH accepts no liability for
injuries to personnel, property damage or
fi nancial losses arising due to a failure to
comply with the information products.
Ensure that your information products are
legible and accessible.
Further documentation is available on our
website at www.janitza.com under
Support > Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Duplication, editing,
dissemination and other utilisation, also in part,
is prohibited.
Subject to technical changes.
• Please ensure that your device complies
with the installation manual.
• Please read and understand the documents
enclosed with the product fi rst.
• Keep the documents enclosed with the
product available throughout the entire
service life of the product and pass them
on to subsequent users if applicable.
• Inform yourself of any device revisions
and the associated updates to the
documentation enclosed with the product
at www.janitza.com.
Disposal
Observe the national regulations! If necessary,
dispose of individual parts according to their
properties and existing country-specifi c
regulations, e.g. as:
• Electronic waste
• Plastics
• Metals
or commission a certifi ed disposal company
with scrapping.
Relevant laws,
applied standards and directives
For information on the laws, standards and
directives that Janitza electronics GmbH has
applied for the device, see the declaration of
conformity on our website (www.janitza.de).
Voltage measurement
3-phase 4-conductor
systems with rated
voltages of up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
3-phase 3-conductor
systems, not earthed, with
rated voltages of up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Measurement surge
voltage
6 kV
Protection of voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Metering range L-N
0
1)
to 600 Vrms
(max. overvoltage 800 Vrms )
Metering range L-L
0
1)
to 1040 Vrms
(max. overvoltage 1350 Vrms )
Resolution 0.01 V
Crest factor 2.45 (based on metering range)
Impedance 3 MΩ / phase
Power consumption approx. 0.1 VA
Sampling rate 8.33 kHz
Frequency of the mains
frequency - resolution
45 Hz to 65 Hz
0.01 Hz
1) ... The device only determines measured values, if a voltage
L1-N greater than 20 Veff (4 conductor measurement) or a
voltage L1-L2 greater than 34 Veff (3 conductor measurement)
is applied at the voltage measurement input V1.
Current measurement
Rated current 5 A
Metering range 0.005 to 6 A
rms
Crest factor
(with regard to the rated current)
2 (with regard to 6 A
rms
)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Measurement surge voltage 2 kV
Power consumption approx. 0.2 VA (Ri=5 mΩ)
Sampling rate 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage max. 33 V AC, 60 V DC
Switching current max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulses) max. 50 Hz
Serial interface
RS485 to Modbus RTU/Slave
9.6 kbps, 19.2 kbps,
38.4 kbps, 57.6 kbps,
115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs / outputs, analogue output)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.2 - 2.5 mm
2
, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. Supply voltage connection.
5
m
CAUTION!
Damage to property due to
disregard of the connection
conditions or impermissible
voltage swells
Your device can be damaged or destroyed
by a failure to comply with the connection
conditions or by exceeding the permissible
voltage range.
Before connecting the device to the supply
voltage, please check:
• Voltage and frequency correspond to the
details on the ratings plate! Adhere to
the threshold values as described in the
user manual!
• In building installations, the supply
voltage must be protected with a UL/IEC
approved circuit breaker / a fuse!
• The circuit breaker
- must be easily accessible for the user
and be installed close to the device.
- must be labelled for the relevant
device.
• Do not connect the supply voltage to the
voltage transformers.
• Provide a fuse for the neutral conductor
if the source's neutral conductor
connection is not earthed.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due to:
• touching bare or stripped wires that are live,
• device inputs that are dangerous to touch.
De-energise your device before starting
work! Check that it is de-energised.
6
Voltage measurement
The device has 3 voltage measurement inputs
and is suitable for different connection variants.
m
CAUTION!
Risk of injuries or
damage to the device
Failure to observe the connection conditions
for the voltage measurement inputs can cause
injuries to you or damage to the device.
Therefore, note the following:
• The voltage measurement inputs
- must not be occupied with DC voltage.
- must be provided with a suitable,
labelled fuse that is positioned close
by and a circuit breaker (alternatively:
a line safety switch).
- are dangerous to touch.
• Voltages that exceed the permissible
network rated voltages must be
connected via a voltage transformer.
• Measured voltages and currents must
derive from the same network.

NOTE!
As an alternative to the fuse and isolation
device, you can use a circuit breaker.
Connection variant "Direct voltage measurement
in a three-phase, four-conductor system"
The voltage measurement inputs are designed for
measurements in low voltage networks, in which
rated voltages of up to
• 417 V phase to earth and 720 V phase to phase
in the 4-conductor system or
• 600 V phase to phase in the 3-conductor system
can occur.
The measurement and surge voltages meet
overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum rated voltages (DIN EN 61010-1/A1):
7
Voltage measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Voltage measurement in the
three-phase, four-conductor
system
Voltage measurement in the
single-phase, three-conductor
system
V1
V2
V3
VN
V1
V2
V3
VN
8
The device
• is only approved for a current measurement
with a current transformer.
• is intended for connecting current
transformers with secondary currents
of ../1 A and ../5 A.
• has the current transformer ratio 5/5 A set
as standard.
• does not measure DC
The current transformer must have basic
insulation per IEC 61010-1:2010 for the rated
voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due
to:
• Touching bare or stripped wires that are live.
• Current measurement inputs that are
dangerous to touch on the device and on
the current transformers.
De-energise your device before starting
work! Check that it is de-energised.
Earth the system. To do this, use the earth
connection points with the earthing symbol.
L2
L3
N
L1
Load
Connection "Current measurement via
current transformers"
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to large
currents and high electric
voltages!
Current transformers that are operated open in the
secondary side (high voltage peaks) can cause
severe bodily injuries or death.
Avoid operating current transformers when open,
short circuit transformers that are unloaded!
9
Current measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Current measurement via
current transformer in three-
phase four-conductor system
Current measurement in
single-phase three-conductor
system
Three-phase four-conductor
system
Current measurement via 2
current transformers in three-
phase four-conductor system

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
Voltage transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.

NOTE!
Current transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.
10
Establish the connection to the PC
The most common connections for communication
between the PC and the device:
m
CAUTION!
Damage to property due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network!
Obtain information from your network
administrator about the correct Ethernet
network settings for your device.
More details on device confi guration and
communication can be found starting at step 12.
Fig. Rear side of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection
via interface converter.
RS232
RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection
via interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Connection of the device
via a UMG 604 as a gateway.
UMG 604
RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection of the device via the RS485
serial interface with, for example, a UMG 604 as
gateway (see step "Establish the connection to the
PC") is a method for confi guring the device(s)
• and reading
• out data.
Correct
Incorrect
Terminal strip
(switch cabinet).
Device with RS485
interface
(Without termination
resistor).
Device with RS485
interface
(termination resistor
on the device).
Example: PC connection via RS485 interface and UMG 604 as gateway
RS485 bus structure
• In an RS485 bus structure (line), connect all
devices according to the master-slave principle.
• One segment in an RS485 bus structure can
contain up to 32 participants/devices.

NOTE!
The corresponding menu items are used
to assign the slave devices (UMG 96-PA)
in the RS485 bus structure
• different device addresses
• different device addresses to the
master device (UMG 604)
• the same transmission rate (baud rate)
• the same data frames
e.g. Connection
to the UMG
604 as gateway
(master)
e.g. Connection
of further slave
devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable at the start and the end of
a segment with termination resistors (120 Ω,
0.25 W). The device does not contain a
termination resistor.
• With more than 32 subscribers, repeaters
must be used to connect segments.
12
The UMG 96-PA is operated via 6 function keys
for
• selecting measured value indications.
• Navigation within the menus.
• Editing device settings.
Button Function
• Display selection menu
• Exit selection menu
• Abort action
• Select position (to the left)
• Select menu item
• Change (selection, number -1)
• Select menu item
• Change (selection, number +1)
• Select position (to the left)
• Confi rm selection
Operation and button functions
Labelling of the
function keys
Display title
Measured
values
Function keys
Fig. UMG 96-PA display - measured value
indication

NOTE! Current and voltage
transformer ratios.
The current and voltage transformer
ratios can be conveniently confi gured via
• the Confi guration > Measurement
menu
• the GridVis® software.

NOTE!
Further information on operation,
displays and button functions for your
device can be found in the user manual.
16
Procedure in the event of faults
Possible fault Cause Remedy
No display
External fuse for the power supply voltage has
tripped.
Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measuring-circuit current.
Current displayed is too high
or too low.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed.
Read out and program the CT ratio on the current
transformer.
Current harmonics exceed the current peak
at the measurement input
Install current transformer with a larger CT ratio.
The current at the measurement input fell short of. Install current transformer with a smaller CT ratio.
Displayed voltage is too high
or too low.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed.
Read out and program the voltage transformer ratio
at the voltage transformer.
Displayed voltage
is too low.
Measurement range exceeded. Use voltage transformers.
The peak voltage value at the measurement input
has been exceeded by the harmonics.
Attention! Ensure the measurement inputs are not
overloaded.
"EEE" on the display See "Error messages" in the user manual.
Device still does not work
despite the above measures.
Device defective.
Send the device and error description to the
manufacturer for inspection.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present
18 V to 28 V DC
(typically 4 mA)
Input signal not present
0 to 5 V DC,
current less than 0.5 mA
Analogue output
External supply max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 bit
Programming the current / voltage
transformer
• Press button 1 "Esc" to access the overview
menu.
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Press button 3 or 4 to select the
“Confi guration” menu item.
Confi rm it with button 6 “Enter”.
• Use the corresponding buttons to select
the "Measurement" menu and confi rm by
selecting with button 6 "Enter".
• Open the "Measurement" submenu with
button 6 "Enter".
• Use buttons 2 to 5 to select the primary and
secondary current and voltage transformer.
• To edit it, confi rm with button 6 "Enter".
• Change the displayed value with buttons
3 and 4. The selection of the digit position
occurs with the buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the window with button 1 "Esc".
• Close the "Measurement" submenu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 “Enter”!
15
Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption
230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse,
not replaceable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for line protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General
Net weight (with attached
connectors)
approx. 250 g
Package weight
(incl. accessories)
approx. 300 g
Service life of backlight
40000 h
(over 40000 h, the backlight
reduces to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25° C to +70° C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA stationary and in a weatherproof location.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Rated temperature range K55 (-10° C .. +55° C)
Relative humidity 0 to 75% RH
Operating altitude 0 to 2000 m above sea level
Pollution degree 2
Installation position upright
Ventilation No forced ventilation required.
Protection against ingress of
solid foreign bodies and water
- Front
- Rear
- Front with seal
IP40 in acc. with EN60529
IP20 in acc. with EN60529
IP54 in acc. with EN60529
Warning with
measurement range
exceedance in the
current and voltage
paths I1-I3 and
U1-U3
L2
L3
N
L1
1)
Isolation device
2)
Fuse (UL/IEC listed)
1) 1) 1)
2) 2) 2)
User manual:
Voltage
Voltage
The device can be used in
• TN and TT networks
• domestic and industrial areas.
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC U
L-N
/ U
L-L:
417 VLN / 720 VLL
UL U
L-N
/ U
L-L:
347 VLN / 600 VLL
Functional earth
General
1
2
Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support tel. [phone]
Fax [phone]
E-mail: [e-mail]
www.janitza.com
www.janitza.com
Doc. no. 2.061.012.1e 02/2018
Part no. 33.03.360
Power Analyser
UMG 96-PA
Installation manual

Installation

Device settings
Deutsche Version:
siehe Vorderseite
3
14
4
2
Safety
Safety information
The installation manual does not represent a full
listing of all necessary safety measures required
for safe operation of the device.
Special operating conditions may require further
measures. The installation manual contains
instructions that must be observed to ensure
your personal safety and to prevent damage to
property.
Symbols used:
c
This symbol is an addition to the
safety instructions and indicates
an electrical hazard.
m
This symbol is an addition to the
safety instructions and indicates
a potential hazard.

This symbol with the word NOTE!
describes:
• Procedures that do not pose
any risks of injures.
• Important information, proce-
dures or handling steps.
Safety information is highlighted by a warning
triangle and
is indicated as follows depending on the degree
of danger:
m
DANGER!
Indicates an imminent danger that
causes severe or fatal injuries.
m
WARNING!
Indicates a potentially hazardous
situation that can cause severe
injuries or death.
m
CAUTION!
Indicates a potentially hazardous
situation that can cause minor
injuries or damage to property.
Safety measures
When operating electrical devices, certain parts
of these devices are invariably subjected to
hazardous voltage. Therefore, severe bodily
injuries or damage to property can occur if they
are not handled properly:
• Before connecting connections, earth the
device at the ground wire connection if
present.
• Hazardous voltages may be present in all
switching parts that are connected to the
power supply.
• Hazardous voltages may also be present
in the device even after disconnecting the
supply voltage (capacitor storage).
• Do not operate equipment with current
transformer circuits while open.
• Do not exceed the threshold values specifi ed
in the user manual and on the rating plate!
Also adhere to this during inspection and
commissioning!
• Observe the safety and warning instructions in
the documents that belong to the device!
Qualifi ed staff
In order to prevent personal injuries and damage
to property, only qualifi ed staff with electrical
training may work on the device, with knowledge
of
• the national accident prevention regulations
• the safety engineering standards
• installing, commissioning and operating the
device.
Proper use
The device is
• intended to be installed in switching cabinets
and small installation distributors. It can be
installed in any installation position (please
observe step 3 "Assembly").
• not intended for installation in vehicles!
The use of the device in mobile equipment
is considered to be non-standard
environmental conditions and is therefore
only permitted after separate agreement.
• not intended for installation in environments
with hazardous oils, acids, gases, vapours,
dusts, radiation, etc.
The prerequisites of faultless, safe operation
of this device are proper transport and proper
storage, set-up, installation, operation and
maintenance.
The UMG 96-PA is a multi-functional network
analyser, which:
• Measures and calculates electrical variables
such as voltage, current, frequency,
power, energy, harmonics (up to the 25th
harmonic), etc. in building installations,
on distribution units, circuit breakers and
busbar trunking systems.
• Displays and saves measurement results
and transmits them via interfaces.
Device short description
Install the UMG 96-PN in the weatherproof front
panel of switch cabinets.
Cut-out size:
92
+0.8
x 92
+0.8
mm
Ensure!
Adequate ventilation
• install the device vertically!
• adhere to clearances from
neighbouring components!
Fig. Installation position
Rear view of UMG 96-PA
Installation Connecting the supply voltage
The supply voltage level for your device is
specifi ed on the rating plate. After connecting
the supply voltage, an indication is shown on the
display. If no display appears, check whether the
supply voltage is within the rated voltage range.
Fuse
(UL/IEC listed)
Isolation device
13
m
CAUTION!
Damage to property due to not observing the installation instructions
Failing to observe the installation instructions can damage or destroy your device.
Ensure that you have enough air circulation in your installation environment and, in the event of
high environmental temperatures, provide cooling if necessary.

NOTE!
More detailed information on the device functions, data and installation can be found in the user
manual.
Confi guration for an RS485
connection
After the power returns, the device displays the
fi rst measured value indication "Summary".
• Press button 1 "Esc".
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Use the corresponding buttons to select
the "Confi guration" menu and confi rm by
selecting with button 6 "Enter".
• Use the corresponding buttons to select
the “Communication” menu and confi rm by
selecting with button 6 “Enter”.
• Set the device address, baud rate and data
frames. Select the menu item for this and
confi rm by selecting with button 6 "Enter".
• Set the digits or the displayed options with
the buttons 3 and 4. For numeric inputs, the
selection of the digit position occurs with the
buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the "Communication" menu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 "Enter"!
Disclaimer
Observing the information products for
the devices is the prerequisite for safe
operation and in order to obtain the specifi ed
performance and product features. Janitza
electronics GmbH accepts no liability for
injuries to personnel, property damage or
fi nancial losses arising due to a failure to
comply with the information products.
Ensure that your information products are
legible and accessible.
Further documentation is available on our
website at www.janitza.com under
Support > Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Duplication, editing,
dissemination and other utilisation, also in part,
is prohibited.
Subject to technical changes.
• Please ensure that your device complies
with the installation manual.
• Please read and understand the documents
enclosed with the product fi rst.
• Keep the documents enclosed with the
product available throughout the entire
service life of the product and pass them
on to subsequent users if applicable.
• Inform yourself of any device revisions
and the associated updates to the
documentation enclosed with the product
at www.janitza.com.
Disposal
Observe the national regulations! If necessary,
dispose of individual parts according to their
properties and existing country-specifi c
regulations, e.g. as:
• Electronic waste
• Plastics
• Metals
or commission a certifi ed disposal company
with scrapping.
Relevant laws,
applied standards and directives
For information on the laws, standards and
directives that Janitza electronics GmbH has
applied for the device, see the declaration of
conformity on our website (www.janitza.de).
Voltage measurement
3-phase 4-conductor
systems with rated
voltages of up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
3-phase 3-conductor
systems, not earthed, with
rated voltages of up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Measurement surge
voltage
6 kV
Protection of voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Metering range L-N
0
1)
to 600 Vrms
(max. overvoltage 800 Vrms )
Metering range L-L
0
1)
to 1040 Vrms
(max. overvoltage 1350 Vrms )
Resolution 0.01 V
Crest factor 2.45 (based on metering range)
Impedance 3 MΩ / phase
Power consumption approx. 0.1 VA
Sampling rate 8.33 kHz
Frequency of the mains
frequency - resolution
45 Hz to 65 Hz
0.01 Hz
1) ... The device only determines measured values, if a voltage
L1-N greater than 20 Veff (4 conductor measurement) or a
voltage L1-L2 greater than 34 Veff (3 conductor measurement)
is applied at the voltage measurement input V1.
Current measurement
Rated current 5 A
Metering range 0.005 to 6 A
rms
Crest factor
(with regard to the rated current)
2 (with regard to 6 A
rms
)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Measurement surge voltage 2 kV
Power consumption approx. 0.2 VA (Ri=5 mΩ)
Sampling rate 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage max. 33 V AC, 60 V DC
Switching current max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulses) max. 50 Hz
Serial interface
RS485 to Modbus RTU/Slave
9.6 kbps, 19.2 kbps,
38.4 kbps, 57.6 kbps,
115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs / outputs, analogue output)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.2 - 2.5 mm
2
, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. Supply voltage connection.
5
m
CAUTION!
Damage to property due to
disregard of the connection
conditions or impermissible
voltage swells
Your device can be damaged or destroyed
by a failure to comply with the connection
conditions or by exceeding the permissible
voltage range.
Before connecting the device to the supply
voltage, please check:
• Voltage and frequency correspond to the
details on the ratings plate! Adhere to
the threshold values as described in the
user manual!
• In building installations, the supply
voltage must be protected with a UL/IEC
approved circuit breaker / a fuse!
• The circuit breaker
- must be easily accessible for the user
and be installed close to the device.
- must be labelled for the relevant
device.
• Do not connect the supply voltage to the
voltage transformers.
• Provide a fuse for the neutral conductor
if the source's neutral conductor
connection is not earthed.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due to:
• touching bare or stripped wires that are live,
• device inputs that are dangerous to touch.
De-energise your device before starting
work! Check that it is de-energised.
6
Voltage measurement
The device has 3 voltage measurement inputs
and is suitable for different connection variants.
m
CAUTION!
Risk of injuries or
damage to the device
Failure to observe the connection conditions
for the voltage measurement inputs can cause
injuries to you or damage to the device.
Therefore, note the following:
• The voltage measurement inputs
- must not be occupied with DC voltage.
- must be provided with a suitable,
labelled fuse that is positioned close
by and a circuit breaker (alternatively:
a line safety switch).
- are dangerous to touch.
• Voltages that exceed the permissible
network rated voltages must be
connected via a voltage transformer.
• Measured voltages and currents must
derive from the same network.

NOTE!
As an alternative to the fuse and isolation
device, you can use a circuit breaker.
Connection variant "Direct voltage measurement
in a three-phase, four-conductor system"
The voltage measurement inputs are designed for
measurements in low voltage networks, in which
rated voltages of up to
• 417 V phase to earth and 720 V phase to phase
in the 4-conductor system or
• 600 V phase to phase in the 3-conductor system
can occur.
The measurement and surge voltages meet
overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum rated voltages (DIN EN 61010-1/A1):
7
Voltage measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Voltage measurement in the
three-phase, four-conductor
system
Voltage measurement in the
single-phase, three-conductor
system
V1
V2
V3
VN
V1
V2
V3
VN
8
The device
• is only approved for a current measurement
with a current transformer.
• is intended for connecting current
transformers with secondary currents
of ../1 A and ../5 A.
• has the current transformer ratio 5/5 A set
as standard.
• does not measure DC
The current transformer must have basic
insulation per IEC 61010-1:2010 for the rated
voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due
to:
• Touching bare or stripped wires that are live.
• Current measurement inputs that are
dangerous to touch on the device and on
the current transformers.
De-energise your device before starting
work! Check that it is de-energised.
Earth the system. To do this, use the earth
connection points with the earthing symbol.
L2
L3
N
L1
Load
Connection "Current measurement via
current transformers"
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to large
currents and high electric
voltages!
Current transformers that are operated open in the
secondary side (high voltage peaks) can cause
severe bodily injuries or death.
Avoid operating current transformers when open,
short circuit transformers that are unloaded!
9
Current measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Current measurement via
current transformer in three-
phase four-conductor system
Current measurement in
single-phase three-conductor
system
Three-phase four-conductor
system
Current measurement via 2
current transformers in three-
phase four-conductor system

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
Voltage transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.

NOTE!
Current transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.
10
Establish the connection to the PC
The most common connections for communication
between the PC and the device:
m
CAUTION!
Damage to property due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network!
Obtain information from your network
administrator about the correct Ethernet
network settings for your device.
More details on device confi guration and
communication can be found starting at step 12.
Fig. Rear side of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection
via interface converter.
RS232
RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection
via interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Connection of the device
via a UMG 604 as a gateway.
UMG 604
RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection of the device via the RS485
serial interface with, for example, a UMG 604 as
gateway (see step "Establish the connection to the
PC") is a method for confi guring the device(s)
• and reading
• out data.
Correct
Incorrect
Terminal strip
(switch cabinet).
Device with RS485
interface
(Without termination
resistor).
Device with RS485
interface
(termination resistor
on the device).
Example: PC connection via RS485 interface and UMG 604 as gateway
RS485 bus structure
• In an RS485 bus structure (line), connect all
devices according to the master-slave principle.
• One segment in an RS485 bus structure can
contain up to 32 participants/devices.

NOTE!
The corresponding menu items are used
to assign the slave devices (UMG 96-PA)
in the RS485 bus structure
• different device addresses
• different device addresses to the
master device (UMG 604)
• the same transmission rate (baud rate)
• the same data frames
e.g. Connection
to the UMG
604 as gateway
(master)
e.g. Connection
of further slave
devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable at the start and the end of
a segment with termination resistors (120 Ω,
0.25 W). The device does not contain a
termination resistor.
• With more than 32 subscribers, repeaters
must be used to connect segments.
12
The UMG 96-PA is operated via 6 function keys
for
• selecting measured value indications.
• Navigation within the menus.
• Editing device settings.
Button Function
• Display selection menu
• Exit selection menu
• Abort action
• Select position (to the left)
• Select menu item
• Change (selection, number -1)
• Select menu item
• Change (selection, number +1)
• Select position (to the left)
• Confi rm selection
Operation and button functions
Labelling of the
function keys
Display title
Measured
values
Function keys
Fig. UMG 96-PA display - measured value
indication

NOTE! Current and voltage
transformer ratios.
The current and voltage transformer
ratios can be conveniently confi gured via
• the Confi guration > Measurement
menu
• the GridVis® software.

NOTE!
Further information on operation,
displays and button functions for your
device can be found in the user manual.
16
Procedure in the event of faults
Possible fault Cause Remedy
No display
External fuse for the power supply voltage has
tripped.
Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measuring-circuit current.
Current displayed is too high
or too low.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed.
Read out and program the CT ratio on the current
transformer.
Current harmonics exceed the current peak
at the measurement input
Install current transformer with a larger CT ratio.
The current at the measurement input fell short of. Install current transformer with a smaller CT ratio.
Displayed voltage is too high
or too low.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed.
Read out and program the voltage transformer ratio
at the voltage transformer.
Displayed voltage
is too low.
Measurement range exceeded. Use voltage transformers.
The peak voltage value at the measurement input
has been exceeded by the harmonics.
Attention! Ensure the measurement inputs are not
overloaded.
"EEE" on the display See "Error messages" in the user manual.
Device still does not work
despite the above measures.
Device defective.
Send the device and error description to the
manufacturer for inspection.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present
18 V to 28 V DC
(typically 4 mA)
Input signal not present
0 to 5 V DC,
current less than 0.5 mA
Analogue output
External supply max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 bit
Programming the current / voltage
transformer
• Press button 1 "Esc" to access the overview
menu.
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Press button 3 or 4 to select the
“Confi guration” menu item.
Confi rm it with button 6 “Enter”.
• Use the corresponding buttons to select
the "Measurement" menu and confi rm by
selecting with button 6 "Enter".
• Open the "Measurement" submenu with
button 6 "Enter".
• Use buttons 2 to 5 to select the primary and
secondary current and voltage transformer.
• To edit it, confi rm with button 6 "Enter".
• Change the displayed value with buttons
3 and 4. The selection of the digit position
occurs with the buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the window with button 1 "Esc".
• Close the "Measurement" submenu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 “Enter”!
15
Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption
230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse,
not replaceable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for line protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General
Net weight (with attached
connectors)
approx. 250 g
Package weight
(incl. accessories)
approx. 300 g
Service life of backlight
40000 h
(over 40000 h, the backlight
reduces to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25° C to +70° C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA stationary and in a weatherproof location.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Rated temperature range K55 (-10° C .. +55° C)
Relative humidity 0 to 75% RH
Operating altitude 0 to 2000 m above sea level
Pollution degree 2
Installation position upright
Ventilation No forced ventilation required.
Protection against ingress of
solid foreign bodies and water
- Front
- Rear
- Front with seal
IP40 in acc. with EN60529
IP20 in acc. with EN60529
IP54 in acc. with EN60529
Warning with
measurement range
exceedance in the
current and voltage
paths I1-I3 and
U1-U3
L2
L3
N
L1
1)
Isolation device
2)
Fuse (UL/IEC listed)
1) 1) 1)
2) 2) 2)
User manual:
Voltage
Voltage
The device can be used in
• TN and TT networks
• domestic and industrial areas.
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC U
L-N
/ U
L-L:
417 VLN / 720 VLL
UL U
L-N
/ U
L-L:
347 VLN / 600 VLL
Functional earth
General
1
2
Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Support tel. [phone]
Fax [phone]
E-mail: [e-mail]
www.janitza.com
www.janitza.com
Doc. no. 2.061.012.1e 02/2018
Part no. 33.03.360
Power Analyser
UMG 96-PA
Installation manual

Installation

Device settings
Deutsche Version:
siehe Vorderseite
3
14
42
Safety
Safety information
The installation manual does not represent a full
listing of all necessary safety measures required
for safe operation of the device.
Special operating conditions may require further
measures. The installation manual contains
instructions that must be observed to ensure
your personal safety and to prevent damage to
property.
Symbols used:
c
This symbol is an addition to the
safety instructions and indicates
an electrical hazard.
m
This symbol is an addition to the
safety instructions and indicates
a potential hazard.

This symbol with the word NOTE!
describes:
• Procedures that do not pose
any risks of injures.
• Important information, proce-
dures or handling steps.
Safety information is highlighted by a warning
triangle and
is indicated as follows depending on the degree
of danger:
m
DANGER!
Indicates an imminent danger that
causes severe or fatal injuries.
m
WARNING!
Indicates a potentially hazardous
situation that can cause severe
injuries or death.
m
CAUTION!
Indicates a potentially hazardous
situation that can cause minor
injuries or damage to property.
Safety measures
When operating electrical devices, certain parts
of these devices are invariably subjected to
hazardous voltage. Therefore, severe bodily
injuries or damage to property can occur if they
are not handled properly:
• Before connecting connections, earth the
device at the ground wire connection if
present.
• Hazardous voltages may be present in all
switching parts that are connected to the
power supply.
• Hazardous voltages may also be present
in the device even after disconnecting the
supply voltage (capacitor storage).
• Do not operate equipment with current
transformer circuits while open.
• Do not exceed the threshold values specifi ed
in the user manual and on the rating plate!
Also adhere to this during inspection and
commissioning!
• Observe the safety and warning instructions in
the documents that belong to the device!
Qualifi ed staff
In order to prevent personal injuries and damage
to property, only qualifi ed staff with electrical
training may work on the device, with knowledge
of
• the national accident prevention regulations
• the safety engineering standards
• installing, commissioning and operating the
device.
Proper use
The device is
• intended to be installed in switching cabinets
and small installation distributors. It can be
installed in any installation position (please
observe step 3 "Assembly").
• not intended for installation in vehicles!
The use of the device in mobile equipment
is considered to be non-standard
environmental conditions and is therefore
only permitted after separate agreement.
• not intended for installation in environments
with hazardous oils, acids, gases, vapours,
dusts, radiation, etc.
The prerequisites of faultless, safe operation
of this device are proper transport and proper
storage, set-up, installation, operation and
maintenance.
The UMG 96-PA is a multi-functional network
analyser, which:
• Measures and calculates electrical variables
such as voltage, current, frequency,
power, energy, harmonics (up to the 25th
harmonic), etc. in building installations,
on distribution units, circuit breakers and
busbar trunking systems.
• Displays and saves measurement results
and transmits them via interfaces.
Device short description
Install the UMG 96-PN in the weatherproof front
panel of switch cabinets.
Cut-out size:
92
+0.8
x 92
+0.8
mm
Ensure!
Adequate ventilation
• install the device vertically!
• adhere to clearances from
neighbouring components!
Fig. Installation position
Rear view of UMG 96-PA
Installation Connecting the supply voltage
The supply voltage level for your device is
specifi ed on the rating plate. After connecting
the supply voltage, an indication is shown on the
display. If no display appears, check whether the
supply voltage is within the rated voltage range.
Fuse
(UL/IEC listed)
Isolation device
13
m
CAUTION!
Damage to property due to not observing the installation instructions
Failing to observe the installation instructions can damage or destroy your device.
Ensure that you have enough air circulation in your installation environment and, in the event of
high environmental temperatures, provide cooling if necessary.

NOTE!
More detailed information on the device functions, data and installation can be found in the user
manual.
Confi guration for an RS485
connection
After the power returns, the device displays the
fi rst measured value indication "Summary".
• Press button 1 "Esc".
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Use the corresponding buttons to select
the "Confi guration" menu and confi rm by
selecting with button 6 "Enter".
• Use the corresponding buttons to select
the “Communication” menu and confi rm by
selecting with button 6 “Enter”.
• Set the device address, baud rate and data
frames. Select the menu item for this and
confi rm by selecting with button 6 "Enter".
• Set the digits or the displayed options with
the buttons 3 and 4. For numeric inputs, the
selection of the digit position occurs with the
buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the "Communication" menu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 "Enter"!
Disclaimer
Observing the information products for
the devices is the prerequisite for safe
operation and in order to obtain the specifi ed
performance and product features. Janitza
electronics GmbH accepts no liability for
injuries to personnel, property damage or
fi nancial losses arising due to a failure to
comply with the information products.
Ensure that your information products are
legible and accessible.
Further documentation is available on our
website at www.janitza.com under
Support > Downloads.
Copyright notice
© 2017 - Janitza electronics GmbH - Lahnau.
All rights reserved. Duplication, editing,
dissemination and other utilisation, also in part,
is prohibited.
Subject to technical changes.
• Please ensure that your device complies
with the installation manual.
• Please read and understand the documents
enclosed with the product fi rst.
• Keep the documents enclosed with the
product available throughout the entire
service life of the product and pass them
on to subsequent users if applicable.
• Inform yourself of any device revisions
and the associated updates to the
documentation enclosed with the product
at www.janitza.com.
Disposal
Observe the national regulations! If necessary,
dispose of individual parts according to their
properties and existing country-specifi c
regulations, e.g. as:
• Electronic waste
• Plastics
• Metals
or commission a certifi ed disposal company
with scrapping.
Relevant laws,
applied standards and directives
For information on the laws, standards and
directives that Janitza electronics GmbH has
applied for the device, see the declaration of
conformity on our website (www.janitza.de).
Voltage measurement
3-phase 4-conductor
systems with rated
voltages of up to
417 V / 720 V (+-10%) as per IEC
347 V / 600 V (+-10%) as per UL
3-phase 3-conductor
systems, not earthed, with
rated voltages of up to
600 V (+-10%)
Overvoltage category 600 V CAT III
Measurement surge
voltage
6 kV
Protection of voltage
measurement
1 - 10 A tripping characteristic B
(with IEC/UL approval)
Metering range L-N
0
1)
to 600 Vrms
(max. overvoltage 800 Vrms )
Metering range L-L
0
1)
to 1040 Vrms
(max. overvoltage 1350 Vrms )
Resolution 0.01 V
Crest factor 2.45 (based on metering range)
Impedance 3 MΩ / phase
Power consumption approx. 0.1 VA
Sampling rate 8.33 kHz
Frequency of the mains
frequency - resolution
45 Hz to 65 Hz
0.01 Hz
1) ... The device only determines measured values, if a voltage
L1-N greater than 20 Veff (4 conductor measurement) or a
voltage L1-L2 greater than 34 Veff (3 conductor measurement)
is applied at the voltage measurement input V1.
Current measurement
Rated current 5 A
Metering range 0.005 to 6 A
rms
Crest factor
(with regard to the rated current)
2 (with regard to 6 A
rms
)
Overload for 1 sec. 60 A (sinusoidal)
Resolution 0.1 mA (display 0.01 A)
Overvoltage category 300 V CAT II
Measurement surge voltage 2 kV
Power consumption approx. 0.2 VA (Ri=5 mΩ)
Sampling rate 8.33 kHz
Digital outputs
3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage max. 33 V AC, 60 V DC
Switching current max. 50 mAeff AC/DC
Response time 250 ms
Pulse output (energy pulses) max. 50 Hz
Serial interface
RS485 to Modbus RTU/Slave
9.6 kbps, 19.2 kbps,
38.4 kbps, 57.6 kbps,
115.2 kbps
Stripping length 7 mm
Terminal connection capacity
(supply voltage)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(digital inputs / outputs, analogue output)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(current measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.2 - 2.5 mm
2
, AWG 26-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
Terminal connection capacity
(serial interface)
Single core, multi-core,
fi ne-stranded
0.2 - 1.5 mm
2
, AWG 28-16
Terminal pins, core end sheath 0.2 - 1.5 mm
2
Tightening torque 0.2 - 0.25 Nm
Stripping length 7 mm
Terminal connection capacity
(voltage measurement)
Connectable conductors.
Connect only one conductor per terminal!
Single core, multi-core,
fi ne-stranded
0.08 - 4.0 mm
2
, AWG 28-12
Terminal pins, core end sheath 0.2 - 2.5 mm
2
Tightening torque 0.4 - 0.5 Nm
Stripping length 7 mm
N
L
PE/FE
Fig. Supply voltage connection.
5
m
CAUTION!
Damage to property due to
disregard of the connection
conditions or impermissible
voltage swells
Your device can be damaged or destroyed
by a failure to comply with the connection
conditions or by exceeding the permissible
voltage range.
Before connecting the device to the supply
voltage, please check:
• Voltage and frequency correspond to the
details on the ratings plate! Adhere to
the threshold values as described in the
user manual!
• In building installations, the supply
voltage must be protected with a UL/IEC
approved circuit breaker / a fuse!
• The circuit breaker
- must be easily accessible for the user
and be installed close to the device.
- must be labelled for the relevant
device.
• Do not connect the supply voltage to the
voltage transformers.
• Provide a fuse for the neutral conductor
if the source's neutral conductor
connection is not earthed.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due to:
• touching bare or stripped wires that are live,
• device inputs that are dangerous to touch.
De-energise your device before starting
work! Check that it is de-energised.
6
Voltage measurement
The device has 3 voltage measurement inputs
and is suitable for different connection variants.
m
CAUTION!
Risk of injuries or
damage to the device
Failure to observe the connection conditions
for the voltage measurement inputs can cause
injuries to you or damage to the device.
Therefore, note the following:
• The voltage measurement inputs
- must not be occupied with DC voltage.
- must be provided with a suitable,
labelled fuse that is positioned close
by and a circuit breaker (alternatively:
a line safety switch).
- are dangerous to touch.
• Voltages that exceed the permissible
network rated voltages must be
connected via a voltage transformer.
• Measured voltages and currents must
derive from the same network.

NOTE!
As an alternative to the fuse and isolation
device, you can use a circuit breaker.
Connection variant "Direct voltage measurement
in a three-phase, four-conductor system"
The voltage measurement inputs are designed for
measurements in low voltage networks, in which
rated voltages of up to
• 417 V phase to earth and 720 V phase to phase
in the 4-conductor system or
• 600 V phase to phase in the 3-conductor system
can occur.
The measurement and surge voltages meet
overvoltage category 600 V CATIII.
Network systems
Suitable network systems and maximum rated voltages (DIN EN 61010-1/A1):
7
Voltage measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Voltage measurement in the
three-phase, four-conductor
system
Voltage measurement in the
single-phase, three-conductor
system
V1
V2
V3
VN
V1
V2
V3
VN
8
The device
• is only approved for a current measurement
with a current transformer.
• is intended for connecting current
transformers with secondary currents
of ../1 A and ../5 A.
• has the current transformer ratio 5/5 A set
as standard.
• does not measure DC
The current transformer must have basic
insulation per IEC 61010-1:2010 for the rated
voltage of the circuit.
c
WARNING!
Risk of injury due to electric
voltage!
Severe bodily injuries or death can occur due
to:
• Touching bare or stripped wires that are live.
• Current measurement inputs that are
dangerous to touch on the device and on
the current transformers.
De-energise your device before starting
work! Check that it is de-energised.
Earth the system. To do this, use the earth
connection points with the earthing symbol.
L2
L3
N
L1
Load
Connection "Current measurement via
current transformers"
Current measurement I1, I2, I3
c
WARNING!
Risk of injury due to large
currents and high electric
voltages!
Current transformers that are operated open in the
secondary side (high voltage peaks) can cause
severe bodily injuries or death.
Avoid operating current transformers when open,
short circuit transformers that are unloaded!
9
Current measurement connection variants
Three-phase four-conductor
system
Single-phase three-conductor
system
Current measurement via
current transformer in three-
phase four-conductor system
Current measurement in
single-phase three-conductor
system
Three-phase four-conductor
system
Current measurement via 2
current transformers in three-
phase four-conductor system

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
When a measurement range is exceeded,
the device display shows the warning
Measurement range exceeded with
specifi cation of the current or voltage path.
Further information on this can be found in
the user manual.

NOTE!
Voltage transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.

NOTE!
Current transformer ratios can be
conveniently confi gured via
• the Confi guration > Measurement >
Measurement device menu
• the GridVis® software.
More details on current and voltage
transformer ratios and their adjustment
can be found in the user manual.
10
Establish the connection to the PC
The most common connections for communication
between the PC and the device:
m
CAUTION!
Damage to property due to
incorrect network settings
Incorrect network settings can cause faults in
the IT network!
Obtain information from your network
administrator about the correct Ethernet
network settings for your device.
More details on device confi guration and
communication can be found starting at step 12.
Fig. Rear side of UMG 96-PA
1.
(gedrehtes Patchkabel)
RS485
PC/
GridVis®
RS485
RS485
Device connection
via interface converter.
RS232
RS232
2.
(gedrehtes Patchkabel)
USB
RS485
RS485
RS485
Device connection
via interface converter.
USB
PC/
GridVis®
(gedrehtes Patchkabel)
3.
Connection of the device
via a UMG 604 as a gateway.
UMG 604
RS485
Ethernet
RS485
PC/
GridVis®
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
UMG 96-PA
11
The PC connection of the device via the RS485
serial interface with, for example, a UMG 604 as
gateway (see step "Establish the connection to the
PC") is a method for confi guring the device(s)
• and reading
• out data.
Correct
Incorrect
Terminal strip
(switch cabinet).
Device with RS485
interface
(Without termination
resistor).
Device with RS485
interface
(termination resistor
on the device).
Example: PC connection via RS485 interface and UMG 604 as gateway
RS485 bus structure
• In an RS485 bus structure (line), connect all
devices according to the master-slave principle.
• One segment in an RS485 bus structure can
contain up to 32 participants/devices.

NOTE!
The corresponding menu items are used
to assign the slave devices (UMG 96-PA)
in the RS485 bus structure
• different device addresses
• different device addresses to the
master device (UMG 604)
• the same transmission rate (baud rate)
• the same data frames
e.g. Connection
to the UMG
604 as gateway
(master)
e.g. Connection
of further slave
devices
B
A
RS485 bus
A
B
A
B
Data GND
Fig. UMG 96-PA
• Terminate the cable at the start and the end of
a segment with termination resistors (120 Ω,
0.25 W). The device does not contain a
termination resistor.
• With more than 32 subscribers, repeaters
must be used to connect segments.
12
The UMG 96-PA is operated via 6 function keys
for
• selecting measured value indications.
• Navigation within the menus.
• Editing device settings.
Button Function
• Display selection menu
• Exit selection menu
• Abort action
• Select position (to the left)
• Select menu item
• Change (selection, number -1)
• Select menu item
• Change (selection, number +1)
• Select position (to the left)
• Confi rm selection
Operation and button functions
Labelling of the
function keys
Display title
Measured
values
Function keys
Fig. UMG 96-PA display - measured value
indication

NOTE! Current and voltage
transformer ratios.
The current and voltage transformer
ratios can be conveniently confi gured via
• the Confi guration > Measurement
menu
• the GridVis® software.

NOTE!
Further information on operation,
displays and button functions for your
device can be found in the user manual.
16
Procedure in the event of faults
Possible fault Cause Remedy
No display
External fuse for the power supply voltage has
tripped.
Replace fuse.
No current display
Measured voltage is not connected. Connect the measured voltage.
Measurement current is not connected. Connect measuring-circuit current.
Current displayed is too high
or too low.
Current measurement in the wrong phase. Check connection and correct if necessary.
Current transformer factor is incorrectly programmed.
Read out and program the CT ratio on the current
transformer.
Current harmonics exceed the current peak
at the measurement input
Install current transformer with a larger CT ratio.
The current at the measurement input fell short of. Install current transformer with a smaller CT ratio.
Displayed voltage is too high
or too low.
Measurement in the wrong phase. Check connection and correct if necessary.
Voltage transformer incorrectly programmed.
Read out and program the voltage transformer ratio
at the voltage transformer.
Displayed voltage
is too low.
Measurement range exceeded. Use voltage transformers.
The peak voltage value at the measurement input
has been exceeded by the harmonics.
Attention! Ensure the measurement inputs are not
overloaded.
"EEE" on the display See "Error messages" in the user manual.
Device still does not work
despite the above measures.
Device defective.
Send the device and error description to the
manufacturer for inspection.
Digital inputs
3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency 20 Hz
Input signal present
18 V to 28 V DC
(typically 4 mA)
Input signal not present
0 to 5 V DC,
current less than 0.5 mA
Analogue output
External supply max. 33V
Current 0...20 mA
Update time 1 sec
Resolution 10 bit
Programming the current / voltage
transformer
• Press button 1 "Esc" to access the overview
menu.
• Press button 3 or 4 to select the "System"
menu item. Confi rm it with button 6 "Enter".
• Press button 3 or 4 to select the
“Confi guration” menu item.
Confi rm it with button 6 “Enter”.
• Use the corresponding buttons to select
the "Measurement" menu and confi rm by
selecting with button 6 "Enter".
• Open the "Measurement" submenu with
button 6 "Enter".
• Use buttons 2 to 5 to select the primary and
secondary current and voltage transformer.
• To edit it, confi rm with button 6 "Enter".
• Change the displayed value with buttons
3 and 4. The selection of the digit position
occurs with the buttons 2 and 5.
• Confi rm with button 6 "Enter" or abort the
action with button 1 "Esc".
• Close the window with button 1 "Esc".
• Close the "Measurement" submenu with
button 1 "Esc".
• Open the overview menu. To do this, press
button 1 “Esc” 2 x.
• Select the desired display with buttons 3 and
4. Confi rm with button 6 “Enter”!
15
Technical data
Supply voltage
Nominal range
230 V option:
AC 90 V - 277 V (50/60 Hz) or
DC 90 V - 250 V, 300 V CATIII
24 V option:
AC 24 V - 90 V (50/60 Hz) or
DC 24 V - 90 V, 150 V CATIII
Operating range +-10% of nominal range
Power consumption
230 V option: max. 4.5 VA / 2 W
24 V option: max. 4.5 VA / 2 W
Internal fuse,
not replaceable
Type T1A / 250 VDC / 277 VAC
according to IEC 60127
Recommended
overcurrent protection
device for line protection
230 V option: 6-16 A
24 V option: 1-6 A
(Char. B)
(IEC-/UL approval)
General
Net weight (with attached
connectors)
approx. 250 g
Package weight
(incl. accessories)
approx. 300 g
Service life of backlight
40000 h
(over 40000 h, the backlight
reduces to approx. 50%)
Transport and storage
The following information applies to devices which are
transported or stored in the original packaging.
Free fall 1 m
Temperature K55 (-25° C to +70° C)
Relative humidity 0 to 90% RH
Ambient conditions during operation
Use the UMG 96-PA stationary and in a weatherproof location.
Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Rated temperature range K55 (-10° C .. +55° C)
Relative humidity 0 to 75% RH
Operating altitude 0 to 2000 m above sea level
Pollution degree 2
Installation position upright
Ventilation No forced ventilation required.
Protection against ingress of
solid foreign bodies and water
- Front
- Rear
- Front with seal
IP40 in acc. with EN60529
IP20 in acc. with EN60529
IP54 in acc. with EN60529
Warning with
measurement range
exceedance in the
current and voltage
paths I1-I3 and
U1-U3
L2
L3
N
L1
1)
Isolation device
2)
Fuse (UL/IEC listed)
1) 1) 1)
2) 2) 2)
User manual:
Voltage
Voltage
The device can be used in
• TN and TT networks
• domestic and industrial areas.
Three-phase four-wire systems
with earthed neutral conductor
L1
L2
L3
EE
N
E
L1
L2
L3
E
N
R
L1
L2
L3
EE
L1
L2
EE
L
N
EE
L1
L2
L3
EE
L1
L2
N
EE
IEC U
L-N
/ U
L-L:
417 VLN / 720 VLL
UL U
L-N
/ U
L-L:
347 VLN / 600 VLL
Functional earth