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IEC 60870-5-104 Information Object Address (IOA) Parser

Decodes 1, 2, or 3-byte Information Object Addresses (IOA) in telecontrol application messages.

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

How it works

Standard: IEC 60870-5-104 Telecontrol Protocols

Formula: Byte combination (1 to 3 bytes) to form absolute IOA point index up to 16777215

Checks: Valid IOA byte length; address within 24-bit range

Calculated locally in browser memory; nothing leaves your browser.

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