PLCcheck

S5→S7 Command Converter

Type S5 AWL instructions and instantly see the S7 STL and SCL equivalents with address conversion and explanations.

Examples:
S5 AWL Input
1
Enter S5 AWL code above — conversion happens automatically.

Converting one line at a time? Upload your complete S5 program to PLCcheck Pro and get the entire program converted, documented, and analyzed — automatically.

Convert Full Program

Frequently Asked Questions

Does this tool convert complete S5 programs?
This tool converts individual AWL instructions line by line. It handles command mapping, address conversion (including the DW×2 rule), and constant translation. For contextual conversion of complete programs (e.g., timer blocks, counter logic, data block structures), use PLCcheck Pro which performs program-level analysis.
What is the difference between German and International mnemonics?
Siemens PLCs support two mnemonic sets: German (E=Input, A=Output, Z=Counter, U=AND) and International (I=Input, Q=Output, C=Counter, A=AND). The toggle switches the S7 output between these two notations. The S5 input always uses German mnemonics.
Why does my DW address change in S7?
S5 uses word addressing (DW) while S7 uses byte addressing (DBW). Every S5 data word address must be multiplied by 2 for S7: DW 5 becomes DBW 10, DW 100 becomes DBW 200. This is the most common migration error.

This tool converts individual instructions. Contextual conversion (e.g., complete timer blocks, counter logic, data block access) requires program-level analysis. Not affiliated with Siemens AG.