7EN02-0438-14

Modbus communication overview

Modbus RTU protocol is available on iEM3455 / iEM3555 meter models.

The information in this section assumes that you have an advanced understanding of Modbus communications, your communications network and the power system that your meter is connected to.

There are three different ways of using Modbus communication:

  • By sending commands using the command interface

  • By reading the Modbus registers

  • By reading Device Identification

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