F_ARGISZERO

F_ARGISZERO 1:

This function returns TRUE if one of the T_Arg member variables has the value zero or was not initialized.

FUNCTION F_ARGISZERO: BOOL

VAR_INPUT

VAR_INPUT
    arg : T_Arg;
END_VAR

arg: Variable to be checked (type : T_Arg).

Requirements

Development environment

Target platform

PLC libraries to be integrated (category group)

TwinCAT v3.1.0

PC or CX (x86, x64, ARM)

Tc2_Utilities (System)