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Peter M

    ABB Easiline EL3020.

    I am working from the documentation here

    It has analog and modbus output, Mark, but the analog output is more noisy than the modbus output, presumably due to lower prescision the the D to A converter. A colleague has been able to log modbus data (using Matlab, I think) for comparison.

    I am progressing a little with the extraction of data from a 32-bit dummy string in IEEE574 format.
    Along the way I have been rather surprised to find that IVAL does not work with long integers!

    Thank you for your interest. It is helpful to be able to chat about this.


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