Recent content by Vindsan

  1. V

    Checksum error and Insufficient bytes recieved

    I did exactly what jschulze told me to do, that is change the transciever mode of the com port i am using to two wire auto in NI MAX. I also change the parameters of the com port in NI Max like baudrate, parity etc to match the PLC. I didnt know earlier that I had to do that. I did that and it...
  2. V

    Checksum error and Insufficient bytes recieved

    Thank you very very much. I have googled it but couldn't find it. Thank you very much. It worked. My task was actually not to get it working in Modbus Poll, but to get it working in LabVIEW. It was not working in LabVIEW, so I thought I will try Modbus poll and there also it is not working. So I...
  3. V

    Checksum error and Insufficient bytes recieved

    I configured the PXI to two wire auto using labview and then tried to run modbus poll. But then it is showing that the com port is not available. So when the com port is being used by labview I cannot use modbus poll. When I stop labview and run modbus poll then the error which I mentioned in...
  4. V

    Checksum error and Insufficient bytes recieved

    Here I have attached screenshot of the communication window from display.
  5. V

    Checksum error and Insufficient bytes recieved

    Modbus device is a PLC and modbus master is the software called Modbus poll. I have attached the screenshots
  6. V

    Checksum error and Insufficient bytes recieved

    Hi, I am new to Modbus. I have a setup where I am trying to read data from the holding registers of a Modbus device. But I am not getting the output. Instead, I am getting two different types of error. When I set the length of registers to be read as 1, then the error is checksum error and when...
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