PLC-PAC Structured Text IEC Explanation

Description
This document aims to provide an explanation of IEC 61131-3 structured text that is used in PAC. The textual languages explained in the IEC 61131-3 standard are Instruction List and Structured Text. The SFC elements are able to be used together with either language. The subclause defines the semantics of the Structured Text whose syntax is characterized in B.3. In this language, a space character is treated the same as the end of a textual line. This document also covers expressions and statements.

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