Configure auto-tuning

Use these general steps when implementing auto-tuning using the IPIDCONTROLLER function.
Steps for configuring auto-tuning
Step
Description
Example
1
Reset SetPoint to zero.
Reset SetPoint to zero.
2
Switch Auto mode to False.
Switch Auto mode to False.
3
Set Gains parameters.
Set Gains parameters.
4
Set AutoTune parameters.
Set AutoTune parameters.
5
Set Initialize and AutoTune to True.
Set Initialize and AutoTune to True.
6
Notice the Output changes to the value of Load when you set AutoTune to True.
Notice the Output changes to the value of Load when you set AutoTune to True.
7
Observe the process value rises quickly until it gets closer to its saturation point.
Celsius value
8
Observe the stabilization of the process value and its fluctuation.
9
Set the deviation.
Set the deviation.
10
Set Initialize to False.
Set Initialize to False.
11
Controller starts auto-tuning. Wait for ATWarning to become 2.
Controller starts auto-tuning. Wait for ATWarning to become 2.
12
Set AutoTune to False.
Set Autotune to False
13
Observe the tuned values appear in OutGains.
OutGains value change
14
Transfer parameter from OutGain to My_Gains.
Transfer from OutGain to MyGain
15
Observe the controller is updated with the with the tuned gain parameter.
Controller updated with the turned gain parameter
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