Free PLC Tools
Online tools for S5/S7 PLC programming, migration, and analysis. No login required.
S5 Timer Calculator
Convert KT timer values to seconds, IEC format, and S7 code.
Open Tool →S5→S7 Address Converter
Convert S5 addresses to S7 equivalents with ×2 rule for data blocks.
Open Tool →AWL Command Lookup
Search all 40 S5 AWL commands with S7 equivalents and SCL.
Open Tool →S5→S7 Command Converter
Paste S5 AWL code, get S7 STL + SCL instantly.
Open Tool →PLC Code Validator
Paste AWL or SCL code and get instant syntax and logic checks.
Open Tool →Migration Estimator
Estimate migration effort, cost, and timeline for your plant.
Open Tool →Need more than individual tools?
PLCcheck Pro analyzes your complete PLC program with AI.
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