DOCA0355EN-00

Overview

The Modbus RTU communication is a serial protocol that supports the communication between single client device and multiple server devices. In the Modbus RTU network:

  • Protocol governs how each Intelligent Electronic Device (IED) will know its device address.

  • Recognizes a message addressed to it.

  • Determines the kind of action to be taken.

  • Extracts any data or other information contained in the message.

If a response is required, the IED will construct the response message and send it using the Modbus RTU communication protocol.

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