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Modbus with Arduino

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  • Modbus with Arduino

    I am wanting to control my GS2 drive with an Arduino sending a frequency command to the drive over rs485. The Arduino will have a PID controller. I know the GS2 drive has a PID controller but I kneed more control that I can do with the VFD. I can program basic stuff with the Arduino but I need a little help with this code. I will be including the <ModbusMaster.h> library or if somebody has a better one let me know. Also would like to read the frequency from the dive as I am also planning on connecting a display to the Arduino.

    I would like to know the settings I need to set on the VFD and also some example code that I could copy and past. That is well explained and then I can possibly be able to build it from there.