EM TEST VDS 200 Series
Manual for Operation V 5.19 10 / 57
1 EUT Test supply
2 Reference earth connection
3 Analogue input 0 - 10V
4 External trigger
5 Mains input
6 Fuses
7 Power On switch
8 Parallel interface IEEE 488
9 USB Interface
10 CN connector not used
11 Fail 1
12 Fail 2
8 Parallel interface IEEE 488 // GPIB
IEEE 488 interface with IEEE connector.
9 USB interface
USB interface “USB B” connector. For datatransfer a USB interface is available. The internal RS 232 interface is
converted to USB standard. Therefore the user must set the same Baudrate in the device and control software.
Using the USB interface the user can have emc problems during burst tests Our experiences says, that usually
the computer USB port is disturbed by interference’s. Therefore a high quality USB cable ( USB 2.0 standard)
must be used.
10 CN connector not used
Connector for control external devices not used in VDS200N series.
11 Fail detection FAIL 1 (TEST STOP)
The BNC input FAIL 1 can be used for failure detection at the EUT. If the input is set to ground (chassis) the
VDS generator will be stopped and the actual test routine is paused. The test routine than can be stopped
completely or can be continued at the break point.
A message of FAIL 1 is indicated in the LCD display as well as in the ISM software.
12 Fail detection FAIL 2 (TEST PAUSE)
The BNC input FAIL 2 can be used for failure detection at the EUT. If the input is set to ground (chassis) the
actual test routine is paused as long as the low level signal is available at the FAIL 2 input.
With no longer set to ground signal the test procedure continues automatically.
A message of FAIL 2 is indicated in the LCD display as well as in the ISO.CONTROL software.
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