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I'm using flow meters which provide me with a 4-20 ma signal representing gallons per minute. The flow results are amazingly accurate. The problem is the slc 505 that I'm using seems to be amazingly inacurate when it comes to using it's last scan time word (S:35). I convert the gallons/minute number into gallons per ms and multiply by the last scan time then add it to the previous total value. the results are way off. I also tried using a one second timer wich just toggled on and off every second. this didn't work either. Does anyone know of a card that can be used in an slc modular system that could give an integer or a floating point word accurate time information so that I wouldn't have to rely on the cpu to do it for me?
Thanks for your help
David
[email protected]
Thanks for your help
David
[email protected]