rankomatic Posted November 13 Report Share Posted November 13 Why or whasolar test.U90solar test.U90t have I missed?? The program I wrote with jazz 10-11-R31 U90 , will make all inputs go high when only 1 input is closed. Quote Link to comment Share on other sites More sharing options...
AlexUT Posted November 14 Report Share Posted November 14 It looks that you did not connected pins p-n to configure inputs as PNP or NPN. Read PLC installation manual https://unitronicsplc.com/wp-content/uploads/2015/12/JZ20-R31_JZ20-J-R31_INSTAL-GUIDE_03-141.pdf Quote Link to comment Share on other sites More sharing options...
rankomatic Posted November 14 Author Report Share Posted November 14 thank you . that was the issue . Quote Link to comment Share on other sites More sharing options...
AMicallef Posted November 16 Report Share Posted November 16 Also noted that in rungs 1-3 you have two lines of logic. It is best to separate these out onto different rungs. Quote Link to comment Share on other sites More sharing options...
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