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DNP3 Internal Indication (IIN) Bit Decoder

Decodes DNP3 two-byte Internal Indication status flags returned in outstation responses.

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

How it works

Standard: IEEE 1815 DNP3 Protocol

Formula: Bitwise extraction of Device Restart, Device Trouble, Local Control, Buffer Overflow, etc.

Checks: 16-bit IIN word structure validation

Calculated locally in browser memory; nothing leaves your browser.

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