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Determining PID Constants (AT, ST, Manual Setup) Section 3-8
Execute auto-tuning (AT).
1,2,3... 1. Press the key for less than one second to move from the “operation
level” to the “adjustment level”.
2. Press the key to start execution of AT (auto-tuning).
“on” is displayed during AT execution.
3. “off” is displayed when AT ends.
4. To return to the “operation level,” press the key.
Operation Procedure
Adjustment Level
AT execute/
cancel
PV
Operation level
When control characteristics are already known, the PID parameters can be set
directly to adjust control.
PID parameters are set in the "proportional band" (P), "integral time" (I) and
"derivative time" (D) parameters in the "adjustment level".
About PID param-
eters
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