FujiFilm PXG4, Инструкции по эксплуатации

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9
Chapter
Setting Self-Tuning About Self-Tuning Methods
Self-tuning can calculate the PID one of two ways.
Either self-tuning method will calculate values automatically
depending on the characteristics of the controlled device.
•
Stepwise
•
Limit Cycle
The following figures depict behavior supplying power to the
device, a change in the SV and a loss of control.
●
Behavior at power-on
Stepwise
Limit Cycle
●
Behavior when SV changes
Stepwise
Limit Cycle
1
Use the keys to set SV.
2
Press and hold the key to display "
MMM Mvvvv1111
".
The monitoring mode MV1 is displayed.
3
Press and hold the key to display the setup
mode channel menu ("
ooo oPPPPEEEE CCCChhhh1111
"), then use the
keys to display SYS ("
SSS SYYYYSSSS CCCChhhh 7777
").
4
Press and hold the key then use the
keys to display CTrL ("
CCC CTTTTrrrrLLLL
").
5
Press the key, then use the keys to
display "SELF" when the bottom part of the
display begins to blink.
6
Press the key to confirm the setting.
7
Turn off power to the controller.
8
Turn on power to the control target equipment
and the controller.
Turn on power to the control equipment first.
Self-tuning will begin.
Point
• The equipment will not tune correctly if power to the
controller is turned on first.
• When redoing the self-tuning settings, first set the
control method to PID ("
PiD
") again before changing
back to self-tuning.
Operation mode
dead time
t
set value
tuning
SV
delay
PV
SV
Time
tuning
PV
SV
Time
tuning
PV
SV
Time
tuning
SV change
PV
SV
Time
tuning
SV change