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NSG 5500 Automotive transient immunity generator
3.2.4 External trigger and control signals
There are four input/output signals available on the rear of the NSG 5500 mainframe that can be used for
syncronization with external equipment. The logic levels on these signals are as follows.
Fail signal
CRO trigger
Fail
Picture 3-14: Logic levels on the signals of the NSG 5500
3.2.4.1 Start/stop signal
The signals are connected via a 9-pin D-Sub connector labelled “REMOTE“ in the CDN 5500 panel. The pin
assignment of this connector is as follows:
GND
CRO Trigger
reserved
reserved
Fail
1
2
3
4
5
6
7
8
9
unused
unused
unused
unused
1K
+5 V
GND
Pin 1
Pin 4
unused
GND
CRO Trigger
(reserved for future use)
unused
1
2
3
4
5
6
7
8
9
(reserved for future use)
(reserved for future use)
Pause
unused
1K
+5 V
GND
Pin 1
Pin 4
Picture 3-15: Pin assignment of the “REMOTE“ connector on the rear side of the NSG 5500 when
using the CTR 5500.
Picture 3-16: Pin assignment of the “REMOTE“ connector on the rear side of the NSG 5500 when
using the CTR 5501.