Library Version

All libraries have a certain version. The version is indicated in the PLC library repository, for example. A global constant contains the information about the library version:

Global_Version 

VAR_GLOBAL CONSTANT
    stLibVersion_Tc2_ModbusSrv : ST_LibVersion;
END_VAR

The F_CmpLibVersion function (in the Tc2_System library) is used to compare the existing and required version.

Name

Type

Description

stLibVersion_Tc2_ModbusSrv

ST_LibVersion

Version number of the Tc2_ModbusSrv library