wlaflamme Posted April 23, 2019 Report Share Posted April 23, 2019 Hello, I am working on VISION PLC with an expansion IO. I rough wired my PLC on my desk and all worked. I rewired it and cleaned it up I am getting a problem on this where all th INPUT lights are on even when nothing is wired into them. Any ideas? William Quote Link to comment Share on other sites More sharing options...
Cam Posted April 23, 2019 Report Share Posted April 23, 2019 (edited) 11 and 12 need to be connected on the input header. For PNP they connect to 0V, for NPN they connect to V+ 11 controls I0-7 while 12 controls I8-15. Also in the specification read the notes about the RG Terminal as I believe it needs to be connected to 0V on the expansion adaptor. Edited April 23, 2019 by Cam RG terminal Quote Link to comment Share on other sites More sharing options...
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