OK guys,
My modbus driver is starting to work, and now I'm linking up with some of the PLC's in the plant. Now, I've started working on building the database for the first site.
Here's my question:
I've got some AI signals that come from one of the PLCs. Raw values on some are scaled 0-32000, while others are scaled 800-32000, and others have raw values from -32768-32767. I see the definitions for the EGUL and EGUF values, but how do I set the RAW input ranges? Also, I've got some flow meter values that have to be scaled from linear to square root values..
David Dudley
City of Corpus Christi
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