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Modbus Register Map Address Range Auditor

Audits Modbus register allocations across discrete inputs, coils, input registers, and holding registers.

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

How it works

Standard: Modbus Application Protocol Specification v1.1b3

Formula: Address range validation (00001-09999, 10001-19999, 30001-39999, 40001-49999)

Checks: Offset within valid 16-bit register space; function code alignment

Calculated locally in browser memory; nothing leaves your browser.

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