EM TEST
UCS 500 Series
Operating Manual
V 5.40
13 / 99
6
Reference Earth connection
7
HV output for Surge pulse
8
Common output for Surge pulse
9
Ventilation
10
Warning lamp
11
External trigger
12
BNC connector MON U
13
BNC connector MON I
6
Reference earth connection
The generator has to be connected to the reference earth plane of the test set up. The connection at the rear
part of the generator is an alternative to the grounding point at the front panel
7
HV output
The coax plug is the HV HIGH output of the simulator. It is used for external coupling/decoupling networks.
8
COM output
The Com output is the HV LOW output of the simulator. The output is floating
Attention
The direct output of the surge generator is located at the rear panel of the instrument, HV and
COM. It is not allowed to connect these outputs to any other coupling/decoupling network than
manufactured by EM TEST, e.g. the types CNV and CNI. Before to connect any external
networks to this output the operator must contact the manufacturer. Any damages due to this
matter are not covered by warranty.
The direct pulse output shall also not be used to connect the generator directly to any power
conducting lines
The wave shape measured at the direct pulse output must not be within the tolerances specified in
IEC 61000-4-5. The pulse shape shall be verified at the CDN output directly, no matter whether it
is an internal or external CDN.
9
Ventilation
After long term duration tests the generator should keep on running for some minutes to cool down the system.
10 Warning lamp
A voltage free contact is available for external warning indications (warning lamp). The signal is generated after
pressing TEST ON.
11 External trigger
One single event, burst, surge, voltage dip or ESD can be released. Trigger level 5V positive going.
12 BNC connector MON U
At this BNC connector the output power supply voltage for the EUT can be measured. Ratio 100:1
5%.
Impedance measuring instrument:
1M
.
13 BNC connector MON I
At this BNC connector the output current for the EUT can be measured, e.g. the nominal current or the peak
inrush current. The rating is 10mV/A
5%. Maximum current = 1000A
Impedance measuring instrument:
1M
.
