Operator ‘__POUNAME’¶

The operator is an extension of the IEC 61131-1 standard.

At runtime, the operator yields the name of the POU that contains the operator __POUNAME. The result is of type STRING.

The result of __POUNAME depends where it is used:

• In a program: program name
• In a function name: function name
• In a function block: function block name
• In a method: the method name qualified with the FB name
• In a Get/Set accessor of a property: the property name + Get/Set qualified with the FB name
• In a GVL: GVL name
• In a structure: structure name
• In a data structure UNION: union name

PROGRAM PROG1
VAR
        strPOU : STRING := __POUNAME();  //Yields 'PROG1'
        strlocalPOU : STRING;
END_VAR

        strlocalPOU := __POUNAME();     //Yields 'PROG1'