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I am quite new to Raspberry Pi and Modbus. I am going to implement a Modbus RTU on Raspberry Pi using libmodbus.

I followed this totorial as a simple Modbus test, but when I compile the bandwidth-server-one and run the code, nothing happens and look like it's stuck in a loop.

Should I use more specialized hardware or change the code? Thanks for your help.

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    What do the people who wrote the linked article suggest? – joan Feb 28 '16 at 9:36
  • nothing! i want to implement modbus rtu. and i am using usb to ttl converter and connect my pi to pc with windows. and use one of modbus simulator in my pc to act as modbus master or slave. – dorsa Feb 28 '16 at 11:48

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