VAR declarations: VAR_TEMP, VAR_STAT and VAR CONSTANTMost of you know the most variable sections, VAR, VAR_INPUT, VAR_OUTPUT, VAR_IN_OUT and VAR_PUBLIC. However in TwinCAT we have some more variable sections available. In this post I will discuss and explain the usage of VAR_TEMP, VAR_STAT and VAR CONSTANT. Variable section which I find very use full from time to time.