Library version

All libraries have a specific version. This version is shown in the PLC library repository too.
A global constant contains the library version information:

Global_Version 

VAR_GLOBAL CONSTANT
    stLibVersion_Tc2_S5S7Com : ST_LibVersion;
END_VAR

stLibVersion_Tc2_S5S7Com: version information of Tc2_S5S7Com library (type: ST_LibVersion).To compare the existing version to a required version the function F_CmpLibVersion (defined in Tc2_System library) is offered.

Library version 1:

All other possibilities known from TwinCAT2 libraries to query a library version are obsolete!

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT V3.1.4016 or higher

PC oder CX (x86, x64, ARM)

Tc2_S5S7Com (Communication->TcpIp)
Tc2_TcpIp (Communication->TcpIp)
Tc2_Utilities (System)