Modbus Register Maps

Free, downloadable register maps for PLCs, VFDs, sensors, and industrial devices. Built by engineers, for engineers.

Industrial Modbus devices — a power analyzer, a variable-frequency drive, and a PLC
93,700+ registers and growing!
Vendor Device Family Type Registers Updated
Janitza UMG 96-EL Multifunctional Energy Analyzer Energy Analyzer 3283 Aug 20, 2026
Janitza UMG 96-PA Multifunctional Energy Analyzer Energy Analyzer 3628 Aug 20, 2026
Janitza UMG 801 Multifunctional Energy Analyzer Energy Analyzer 11460 Aug 19, 2026
Janitza UMG 806 Multifunctional Energy Analyzer Energy Analyzer 639 Aug 19, 2026
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