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    How to send/receive data from PLC through Modbus(RS485)

    Hi Experts, Currently i am working for receive data from PLC through RS485(here i have used Microcontroller like Arduino), here i have used Modscan 32 and modscan64 software(traffic data) for find a correct request data for my microcontroller then i have a below doubt 1. i have worked with RS485...
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