ABB Terra AC

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Connect ABB Terra AC chargers over Modbus TCP or Modbus RTU.

Categories: energy

Technologies: network, modbus

ABB Terra AC#

ABB Terra AC#

This plugin integrates ABB Terra AC chargers via Modbus TCP and Modbus RTU.

Implemented features:

  • network discovery for Modbus TCP chargers

  • Modbus RTU discovery using nymea’s managed RTU hardware resource

  • connection state

  • plugged-in and charging state detection

  • charging enable/disable via current-limit control

  • writable maximum charging current

  • active power and session energy

  • firmware version, serial number, and error code

  • communication timeout setting

The register model is based on:

  • ABB_Terra_AC_Charger_ModbusCommunication_v1.7.pdf

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