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mb coil or output won't go to set mode


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Hello,

I have an issue I have made a new ladder routine "NO LIMITS" with soubrutine "TEST 1" but I' can't put output or coil or MB to high mode. I can set it only mannualy othervise won't work. I have also looked that output or MB in not used in no other place.  Any suggestions for this problem?

 

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  • MVP 2023

1.  Make sure you're calling the subroutine.  The fact that you bit doesn't go on with a SET coil hanging on the rail indicates the logic isn't being solved.

2.  Never, ever, ever use a NO contact with a toggle coil output.  The result will be a bit that chatters with every other scan.  Use a positive transitional instead.

Joe T.

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