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CANopen Node Guarding & Heartbeat State Validator

Interprets CANopen NMT state machine codes from heartbeat or guarding messages.

Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.

How it works

Standard: CiA 301 CANopen Application Layer

Formula: State code lookup (0x00: Boot-up, 0x04: Stopped, 0x05: Operational, 0x7F: Pre-operational)

Checks: Valid NMT state identifier code

Calculated locally in browser memory; nothing leaves your browser.

Deterministic local-first client-side execution. Provided as-is without warranty.