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

Example

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

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