Beremiz is Free Software for machine automation.
truST Platform — IEC 61131‑3 Structured Text tooling suite
Tools for parsing and analyzing PLC software
Beremiz PLC STM32
Deterministic semantic linter and PR reviewer for IEC 61131-3 Structured Text. 80 checks across diff-based, static integrity, FB-instance, PLCopen, MISRA-C, IEC 61508/62443 mappings. Plus --metrics mode (complexity, nesting, dead code). CI-native, vendor-neutral, no LLM. Runs as a GitHub Action, GitLab CI job, or local CLI.
Step/Dir Controller based on teensy. Acts as a Modbus tcp slave, so a modbus master is needed for the setup. the master will need a library issuing different commands over the modbus registers.
Beremiz IDE Extension
A comprehensive Go library for handling IEC 61131-3 PLCopen XML format with complete structure definitions generated from XSD schema. Supports both XML and JSON serialization for industrial automation projects.
CLI tool to recover, analyze, and migrate CODESYS V2.x PLC projects to V3.5+ with Raspberry Pi targeting. Parses .exp, .st, .xml, and .pro files. Includes MCP server for AI-assisted migration via VS Code Copilot or Claude Desktop.
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