5/23/2023 0 Comments Fatek modbus rtu exampleOnly the addressed device will respond and act on the command, even though other devices might receive it.Īlso, it is important to say that all Modbus commands contain checksum information to allow the recipient to detect transmission errors. All the other devices are slaves and answer requests and commands.Ī Modbus command contains the Modbus address of the device it is intended for. The Modbus RTU works by RS-485 which is a single cable multi-drop network, only the node assigned as the Master may initiate a command.
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