Ametek Sorensen SG Series - Figure 5-8. Example of Open-Collector, TTL Input, and Relay Output Circuits

Ethernet Configuration and Remote Programming SG Series Programming
5-12 M550129-03 Rev L
SCPI Command
Internal Relay Contact State
Pin (return to Pin-5)
OUTP:ISOL 0
ISOLATION relay = open
7
OUTP:ISOL 1
ISOLATION relay = closed
OUTP:SENSE 0
REMOTE SENSE relay = open
8
OUTP:SENSE 1
REMOTE SENSE relay = closed
OUTP:POL 0
POLARITY relay = open
6
OUTP:POL 1
POLARITY relay = closed
Figure 5-8. Example of Open-Collector, TTL Input, and Relay Output Circuits
CAUTION
External relays must not be hot-switched; ensure that the voltage across the relay
contacts and the current through them is zero prior to changing the relay states.