In SCL, like any other programming language, various instructions are used to implement the PLC program. However, since SCL is counted as one of the advanced programming languages, using its instructions requires taking into account some tips so that the PLC program does not run into errors. Therefore, you should familiarize yourself with the types of SCL instructions and the rules for adding them to the program code.
This is a companion discussion topic for the original entry at https://www.solisplc.com/tutorials/using-scl-instructions-in-tia-portal