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Accuenergy Modbus register maps

Updated 16 October 2026

2 Accuenergy models, 214 registers in all, each re-typed from Accuenergy’s own free documentation and checked against it.

• Power meter

  Accuenergy Acuvim II Series

  Accuenergy Acuvim II series multifunction power meters (manual 1040E1303, V3.2.16 revised September 2026).

  102 registers · 48 writable · RTU/TCP
  Also known as: Acuvim IIR, Acuvim IIW
• Power meter

  Accuenergy Acuvim-L Series

  Accuenergy Acuvim-L series multifunction power and energy meters, user manual V4 (V 4.1.12, revised March 2026).

  112 registers · 55 writable · RTU/TCP
  Also known as: Acuvim-CL, Acuvim-EL

Accuenergy: default communication settings

Factory defaults as the manufacturer documents them. Change one setting at a time on site and write down what you changed. Word order applies to 32-bit values; the addressing column says how the manufacturer prints register numbers (every map on this site also gives the 0-based wire address).