F_iecDecVTI

F_iecDecVTI 1:

This function decrements the step size, which controls the INT7. The transient bit is not changed.

Syntax

FUNCTION F_iecDecVTI: BOOL
VAR_IN_OUT
    VTI     : BYTE;
END_VAR

Inputs/outputs

VTI: The byte to be decremented.

Requirements

Development environment

Target system type

PLC libraries to be linked (category group)

TwinCAT v3.1.4012.0

PC oder CX (x86, x64, Arm®)

Tc2_IEC60870_5_10x (Communication->IEC60870)
Tc2_SerialCom (Communication->Serial)
Tc2_TcpIp (Communication->TcpIp)
Tc2_Utilities (System)