Ametek SFA Series Ethernet Programming Manuale Utente Pagina 52

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Ethernet Configuration and Remote Programming SG Series Programming
5-12
M550129-03 Rev K
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.
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