Mike_2018 Posted March 29, 2017 Report Share Posted March 29, 2017 Sorry, great programmers, for stupid questions in this topic, but I'm study and I suggest to make this topic for beginners. PLC V350, example, math function A+B=C . I set block ADD in Ladder, in HMI set 3 numeric button for A,B,C. I made connections in variables to A,B,C, I enter numbers in 1st and 2nd numeric button, but in 3rd (C) not changes (addition). Quote Link to comment Share on other sites More sharing options...
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