Observed arrival · 2026-09-22
FA Spec Tools: Four Editors for Factory-Automation Specifications
A free browser toolkit for drawing system diagrams, assigning PLC addresses, mapping timing charts, and building control flowcharts.
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●Pro
◎Niche
◉Human
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ƒJS
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- Factory-automation and PLC control designers
- Worth noticing
- The four editors pass structured data between diagrams, address maps, timing charts, and flowcharts.
Field notes
The project treats factory-control documentation as a connected data model rather than a collection of disconnected diagrams. Its address-map workflow mentions device comments and tables from GX Works, KV STUDIO, and Sysmac Studio, while the public JSON specification is intended to support machine-assisted generation and checking. The homepage also lists exports suitable for Word, PowerPoint, Draw.io, Mermaid, PLC code, and structured variable definitions.
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○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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