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Gedeon

[Siemens] FB output not necessary

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Hello, I've got a problem with outputs with Functions (FC). I wanted to create more general function than I need in my certain application - I need to see whether Word1 is greater than Word2. I've created more general function which have three outputs: "Is_greater", "Is_lesser", "Is_equal". How can I make all the outputs not necessary to bind with variable? I want to use only one output and others don't need to bother me. Thanks for answers, Luke

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is your function in an FC or FB? You could use the "built in logic" as shown below.

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@Moggie: It's true, I can use that (after conversion to Integer), but I want to know, whether I can make a FC/FB where one of outputs can be unconnected. I cannot see any property like "Required" (in Allen-Bradley). @Rupesh PLC Dr: I cannot find anything concerning my question on this site. Beside adverts. greetings, Luke

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In your first post you said you had produced an FC - can you post a screen shot as I am having trouble understand what you want? Edited by Moggie

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FB's you can, FC's you can't
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