Dayglow Posted October 11, 2018 Report Share Posted October 11, 2018 I have a Jazz JZ20-T40 that I wrote a program for and am attempting to check the logic. I download the program and enter debugging mode. I wrote in SBs for HMI buttons to check the outputs which work fine. However, when I give the inputs 24 VDC with a wire to check them, they stay at 0 on the inputs screen. Shouldn't the inputs change to 1 when given 24 VDC? How should I go about checking my input logic on Jazz PLC? Quote Link to comment Share on other sites More sharing options...
Dayglow Posted October 11, 2018 Author Report Share Posted October 11, 2018 Solved. I didn't have pins 3 and 4 grounded to set the input to PNP. Quote Link to comment Share on other sites More sharing options...
MVP 2021 Ausman Posted October 11, 2018 MVP 2021 Report Share Posted October 11, 2018 Those darn input settings rearing their ugly heads again! ? ? cheers and well done, Aus Quote Link to comment Share on other sites More sharing options...
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