rockber Posted April 4, 2019 Report Share Posted April 4, 2019 Hi engineers! We can't implement this kind of contacts in the UDFB´s, so could u tell me how can i simulate type of contacts inside my UDFB?? Regards. Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted April 4, 2019 MVP 2023 Report Share Posted April 4, 2019 Calling a UDFB is done from ladder, and you can call it from a positive transitional. It will only solve once if you do so and the references to any bits passed to the UDFB will be transitional by inference. If you need transitional functionality then you use a function (AKA subroutine) that is called continuously from the Main (Function 1). What exactly are you trying to do? Joe T. Link to comment Share on other sites More sharing options...
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