EM TEST UCS 500 Series
Operating Manual V 3.05 8 / 57
14 Control voltage 0-10V
15 Security circuit
16 Mains selector 115V / 230V
17 Power on switch
18 Fuse of the high voltage power supply
19 Serial interface RS 232
20 Parallel interface IEEE
21 Remote control connector
22 FAIL 1
23 FAIL 2
14 Mains selector
The voltage is used to control external power sources. The source is normally connected to the channel PF2
(normally a motor driven variac). The voltage level is selectable via the operating facilities of the UCS 500M. The
voltage level can also be selected within the service menu under the function „setup.
15 Safety circuit
The test can only be started if the security circuit is closed. If the circuit is opened during a running test the
simulator will be switched off immediately.
14 Mains selector
Selection of 115V / 230V
17 Power on switch
The switch is part of the mains filter. Mains fuses are part of the filter. (230V / 1A and 115V / 2A )
18 Fuse of the high voltage power supply
The high voltage power supply is protected by this fuse „F3“. In case that no high voltage is generated but the
control unit works properly this fuse shall be checked.
19 Serial interface
RS 232 interface with a 9-pole connector.
20 Parallel interface GPIB / IEEE 488
IEEE 488 interface with IEEE connector
21 Remote control connector CN
External coupling devices are controlled via this remote control connector.
22 Fail detection FAIL 1 EUT control (TEST STOP
Grounding this input will cause a complete stop of the running test procedure. (+15V to ground) The test must
be completely restarted.
23 Fail detection FAIL 2 EUT control (TEST PAUSE
Grounding this input will cause a break for the running test procedure (+15V to ground).The test will be
continued when the input is no more connected to ground.
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General