rikitech01 Posted 13 hours ago Report Posted 13 hours ago I am currently working with an iQ-R R08CPU PLC and using the RJ71C24 module for communication with a Modbus RTU device. At present, communication via "Simple Communication CPU" works smoothly without any issues. The problem occurs when I want to add another slave device to be read. The "Simple Communication CPU" configuration requires the PLC to be reset. How can I communicate with Modbus RTU on the iQ-R so that I can perform an online change? Currently, the PLC cannot be reset due to an ongoing sequence.
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