automation direct temp card
- Thread starter stu
- Start date
Calibration is done in software. Calibration is not the issue. If fluctuation is on the input, you have noise. Ground loop if T/C's are grounded. Use digital filtering. If the problem is output, your PID needs tuning. Use the built-in PID. It's easy to setup and works very well.
Tuning PID is an art, and the subject of many books. Search this forum for a wealth of info.
The software has an Autotune feature. Do an Autotune, and it will set your PID values. Sometimes this is enough, sometimes you need to do some final tweaking.
The software has an Autotune feature. Do an Autotune, and it will set your PID values. Sometimes this is enough, sometimes you need to do some final tweaking.
AD has a site that teaches you PID and how to set it up.
http://support.automationdirect.com/tutorials/index.html
http://support.automationdirect.com/tutorials/index.html
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