Chapter 15 User Function/Function Block
15-4
a
b
15.1.2 Create User Function/Function Block I/O Variable
[Steps]
1. If double-clicking a local variable among the items created with the name of User Function/Function Block,
the following local variable screen is created.
[Local Variable screen]
[Description of Local Variable]
a. VAR_RETURN: A type of variable representing the value of user-defined function. It is automatically
created as a variable with the same name of the user-defined function with return type designated when
creating a user-defined function.
b. Function type: used to automatically display input variable, I/O variable, function/function block type by
output variable in the local variable screen. The type is as same as when using the User Function/Function
Block in the scan program.
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