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Regin Modbus register maps

Updated 24 October 2026

1 Regin model, 134 registers in all, each re-typed from Regin’s own free documentation and checked against it.

• Air handler controller

  Regin Corrigo ventilation controller (ventilation application 3.6)

  Regin Corrigo controllers running the pre-programmed ventilation (air handling unit) application, version 3.6 or later; not the heating or Exigo applications.

  134 registers · 45 writable · RTU
  Also known as: Corrigo E, Corrigo ventilation, Corrigo E ventilation, Corrigo AHU controller

Regin: 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).