Purpose
This manual is a guide to creating user programs in the Statement List programming language STL.
Basic Knowledge Required
The manual is intended for S7 programmers, operators, and maintenance/service personnel, requiring general knowledge of automation technology, computer literacy, and familiarity with similar working equipment.
Scope of the Manual
This manual is valid for release 5.6 of the STEP 7 programming software package.
Compliance with Standards
STL corresponds to the “Instruction List” language defined in the International Electrotechnical Commission’s standard IEC 1131-3.
Online Help
The manual is complemented by an online help system integrated into the software, providing detailed support and context-sensitive information.
Manual:
Download: Statement List (STL) for S7-300 and S7-400 Programming Reference Manual
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