ParameterValueFlags (GVL)¶

Parameter value flags

InOut:

Scope	Name	Type	Initial	Comment
Constant	PVF_FUNCTION	WORD	16#1	Functional access TO the parameter, Value is a FUNCTION POINTER.
	PVF_POINTER	WORD	16#2	Value is a pointer to the value
	PVF_VALUE	WORD	16#4	Value can be interpreted directly as a value (max. 32 Bit datatypes).
	PVF_READ	WORD	16#10	Parameter can be read.
	PVF_WRITE	WORD	16#20	Parameter can be written
	PVF_BIDIRECTIONAL	WORD	16#100	Output is bidirectional. There will be a call in IoDrvWriteOutputs as well as in IoDrvReadInputs