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Parameter functions and setting procedure
(5) PID2 control (Pid2)
This type of control reduces overshoot during control for processes that turn the control target off and then on again.
t
SV
Set value
Suppresses overshoot
PV
ON
OFF
Controller power
Control loop
Close Close
Open
The algorithm used prevents over-integration of the PID calculations even while the control loop is still open.
PID2 control can only be used after auto-tuning has been activated and a PID set.
[Setting example] Setting the control method to ON/OFF control –––––––––––––
Display Operating procedure
1.
Press and hold the key for about three seconds during the SV/PV display.
appears.
2.
Press the key to display .
3.
Press the key.
The setpoint starts blinking.
4.
Press the or keys to change “ Pid ” to “ oNoF .”
5.
Press the key or wait for three seconds to save the change.
The control method is set to ON/OFF control.
6.
Press the key.
The screen returns to the SV/PV display.