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rungs.dev Documentation

Guides for designing, simulating, and testing structured text PLC logic with Rungs Studio.

Accessibility

No installs, no OS lock-in. rungs.dev runs in the browser so anyone can start writing logic instantly.

Affordability

Core features are free. You shouldn't need a license just to learn, teach, or explore PLC logic.

Isolation

Test a single AOI without the noise of a full project. Focus on logic, not system overhead.

Testability

Define your inputs, run your logic, check your outputs — over and over.

Collaboration & Sharing

A future library of AOIs will let you share, fork, and reuse logic with your team or the world.

Documentation-First

Each AOI auto-generates its own documentation making it easier to teach, share, and revisit later.

Professional-Grade

This isn't a toy. rungs.dev is designed for people who care about clean, and reusable logic

Versionability

rungs.dev will bring version history to AOIs — fork, revert, and track changes like real code.

Continuous Learning

From beginner examples to production logic, rungs.dev grows with you.