pedro_ant

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About pedro_ant

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  1. RTU Modbus With CJ2M PLC and 3G3RX Drives on RS485

    Hi everybody, I found this post searching for info about a similar problem I'm trying to solve. I've been told than it's possible to communicate a CJ2M-CPU33 with this device through Modbus RTU using the built-in serial port of the PLC with a CP1W-CIF11 interface for RS422/485. I only need to read some registers from the device to save them in the PLC memory, so it would be nice to avoid the expense of a SCU. Do you know if this possible? Is there an existing FB useful for this? Thank you very much for your help.