F_iecDecVTI
This function decrements the INT7 regulating step value. The transient flag is not changed!
FUNCTION F_iecDecVTI: BOOL
VAR_IN_OUT
VTI : BYTE;
END_VAR
VTI: Byte to be decremented.
Requirements
Development Environment | Target System | PLC libraries to include |
|---|---|---|
TwinCAT v2.9.0 Build >= 1030 | PC or CX (x86) | TcIEC870_5_101.Lib ( Standard.Lib; TcBase.Lib; TcSystem.Lib; TcUtilities.Lib; are included automatically ) |
TwinCAT v2.10.0 Build >= 1301 | CX (ARM) |