User Manual

31
Continuous thermal ratings of inputs
Current circuit
10 A 400 V
single-phase AC system
693 V
three-phase system
Voltage circuit
480 V single-phase AC system
831 V three-phase system
Short-time thermal rating of inputs
Input
variable
Number
of inputs
Duration
of
overloads
Interval
between two
overloads
Current
circuit
400 V single-phase AC system
693 V three-phase system
100 A 5 3 s 5 min.
250 A 1 1 s 1 hour
Voltage circuit
1 A, 2 A, 5 A
Single-phase
AC system
600 V
H
intern
: 1.5 Ur 10 10 s 10 s
Analogue outputs
For the outputs A, B, C and D:
Output
variable Y
Impressed
DC current
Impressed
DC voltage
Full scale Y2 see “Ordering
information”
see “Ordering
information”
Limits of out-
put signal for
input overload
and/or R = 0 1.25 · Y2 40 mA
R
→ ∞ 30 V 1.25 · Y2
Rated useful
range of output
load
0
7.5 V
15 V
Y2 Y2
Y2
Y2
2 mA 1 mA
AC component
of output signal
(peak-to-peak)
0.005 · Y2 0.005 · Y2
The outputs A, B, C and D may be either short or open-cir
-
cuited. They are electrically insulated from each other and
from all other circuits (floating).
Digital outputs, pulse outputs, limit outputs
The digital outputs conform to DIN 43 864. The pulse width
can be neither programmed nor is there a hardware set
-
ting.
Type of contact: Open Collector
Number of pulses: Programmable
Pulse duration: 100 ms
Interval: 100 ms
External power supply: 8 … 40 V
Output current: ON 10 … 27 mA
OFF
2 mA
System response
Duration of the
measurement cycle: Approx. 0.25 to 0.5 s at 50 Hz,
depending on measured variable
and programming
Response time: 1 2 times the measurement
cycle
Accuracy class: (the reference value is the full-scale
value Y2)
Measured
variable
Condition
Accuracy
class*
System:
Active, reactive
and apparent
power
0.5 X2/Sr 1.5
0.3 X2/Sr < 0.5
0.25 c
0.5 c
Phase:
Active, reactive
and apparent
power
0.167 X2/Sr 0.5
0.1 X2/Sr < 0.167
0.25 c
0.5 c
Power factor,
active power
factor and
reactive power
factor
0.5 Sr S 1.5 Sr,
(X2 - X0) = 2
0.25 c
0.5 Sr S 1.5 Sr,
1 (X2 - X0) < 2
0.5 c
0.5 Sr S 1.5 Sr,
0.5 (X2 - X0) < 1
1.0 c
0.1 Sr S < 0.5 Sr,
(X2 - X0) = 2
0.5 c
0.1 Sr S < 0.5 Sr,
1 (X2 - X0) < 2
1.0 c
0.1 Sr S < 0.5 Sr,
0.5 (X2 - X0) < 1
2.0 c
AC voltage 0.1 Ur U 1.2 Ur 0.2 c
AC current/
current averages
0.1 Ir I 1.5 Ir 0.2 c
System
frequency
0.1 Ur U 1.2 Ur
resp.
0.1 Ir I 1.5 Ir
0.15 + 0.03 c
(f
N
= 50...60 Hz)
0.15 + 0.1 c
(f
N
= 16 2/3 Hz)
Energy meter
acc. to IEC 1036
0.1 Ir I 1.5 Ir
1.0
* Basic accuracy 0.5 c for applications with phase-shaft