Datasheet

SSP-KONSTANTER, Series SSP 120 / 240 / 320
Laboratory Power Supplies
4 GMC-I Messtechnik GmbH
General Characteristics
Output
Termnals
Output front panel, 2 x 4 mm safety jacks
rear panel, 6-pin scr
ew terminal block,
plug-in version
Sensor rear panel, in 6-pin screw terminal block,
plug-in version
Analog interface rear panel, 11-pin screw terminal block,
plug-in version
Controller principle Primary discontinuous-action controller
with BET
-technology
Operating modes adjustable constant-voltage /
constant-current source with automatic,
sharp tr
ansition
Output isolation
Floating output with „safe electrical isola-
tion“ against mains input and PC interfaces;

max. admissible potential output – earth 120 V; 
Capacitance output – earth (housing) 60 nF
Output operating range
U/V
U
nom.
I/A
I
nom.
0
0.5 I
nom.
P
nom,
Short-time
Operating Range
Voltage
Setting Range
Current
0.5
U
nom.
Setting Range
Short-time operating range:
If the instrument is operated in the short-time range for a lengthy
period of
time, the excessive temperature protection system may
be tripped, thus deactivating the output.
Analog Interface
Connection 11-pin screw terminal block, 
plug-in version
Reference Potential minus pole at output,floating TRG input
Connector Pin Assignments:
PIN Designation Function
1 SIG1 OUT
digital, programmable open collector output
s 
(max. 30 V/ 20 mA)
2 SIG2 OUT
3 TRG IN –
digital, programmable contr
ol input
(low: < 1.0 V, high: 4 ... 26 V), floating input
4 TRG IN +
5 +15 V
auxiliary voltage: +15 V / max. 50 mA
reference point connected to –output
6 AGND
7 U
set
– analog, inverted voltage control input
(0 ... –5 V corresponds to 0 ... U
nom.
, Ri = 10 k)
8 U
set
+ analog voltage control input 
(0 ... +5 V corresponds to 0 ... U
nom.
, Ri = 10 k)
9 I
set
+ analog current control input
(0 ... +5 V corresponds to 0 ... I
nom.
, Ri = 10 k)
10 U-MON output voltage measurement output
(0 ... 10 V corresponds to 0 ... U
nom.
, Ri = 9.8 k
11 I-MON output current measurement output 
(0 ... 10 V correspond to 0 ... I
nom.
, Ri = 9.4 k)
Addressable V.24/RS 232C Interface
Input 9-pin subminiature socket
Output 9-pin subminiature plug
Operating Mode half-duplex, asynchronous, XON / XOFF
Data Rate adjustable from 50 to 19,200 bits / sec.
Device Address adjustable from 0 to 30, or UNL (un-list)
Max. Setting Rate approx. 15 settings / sec.
Max. Measuring 
Rate approx. 7 measurements / sec.
IEC 625/IEEE 488 Interface (optional)
Terminal 24-pin socket connector
per IEC 625.1, IEEE488.1
Interface SH1 SOURCE HANDSHAKE
functions Handshake source function
AH1 ACCEPTOR HANDSHAKE
Handshake sink function
T6 TALKER
Talker function with series query
and automatic final addressing,
without secondary address and without
speak-only mode
L4 LISTENER
Listener function with aut
omatic
final addressing, with
out secondary
address and without listen-only mode
SR1 SERVICE REQUEST
Service request function
RL1 REMOTE / LOCAL
Switch-over function between remote/
manual operation with interlocking
DC1 DEVICE CLEAR
Reset function including Selected
Device Clear
PP1 PARALLEL POLL
Parallel query function with remote
setting
DT1 DEVICE TRIGGER
Trigger function
C0 no controller function
E1/2 Open collector driver
Codes / Formats in compliance with IEEE 488.2
Device Address adjustable from 0 to 30, or UNL (un-list)
Max. Setting Rate approx. 40 settings / sec.
Max. Meas. Rate approx. 15 measurements / sec.
Power Supply
Connectors In: 10 A IEC inlet plug connector
Out: 10 A IEC inlet socket connector, 
no switch, no fuse
Line Voltage 230 V~, +10 / –15%, 47 ... 63 Hz
Power Consumption see Characteristic Values
Inrush Current max. 50 A
s
Mains Fusing 1 ea. T 4 A / 250 V (6.3 x 32 mm, UL) 
internal: 1 ea. T 5 A / 250 V (5 x 20 mm)