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semilogical

Function Block Help

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I'm new with function block programming, I'm an old ladder logic type. I need to program basically a NOT for an input in a Boolian AND instruction with several NOT's involved. Typical ladder would be something like the below (without addresses) xic xic xic xio xio xio ote Simple logic in ladder but I can't find the method of showing the xic's. In Triconix, Siemens and Modicon you have a simple circle to indicate a NOT condition.

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