YOKOGAWA UT55A - 6.3 Performing and Canceling Auto-tuning

6-21
IM 05P01C31-01EN
MonitoringandControlofRegularOperations
6
6.3 PerformingandCancelingAuto-tuning
Setting Display
Operation Mode Setting Display
Operation Display > PARAMETER or PARA key for 3 seconds
(to [MODE] Menu Display) > SET/ENTER key (The operation
mode is displayed.) > Down arrow key (The operation mode is
displayed.)
The parameter AT is displayed when the operation mode is
AUTO.
Setting Details
Parameter
symbol
Name
Display
level
Setting range Menusymbol
AT
AUTO-tuning
switch
EASY
OFF: Disable
1: Perform auto-tuning. Tuning
result is stored in the PID of
group 1.
2: Perform auto-tuning. Tuning
result is stored in the PID of
group 2.
3: Perform auto-tuning. Tuning
result is stored in the PID of
group 3.
4: Perform auto-tuning. Tuning
result is stored in the PID of
group 4.
5: Perform auto-tuning. Tuning
result is stored in the PID of
group 5.
6: Perform auto-tuning. Tuning
result is stored in the PID of
group 6.
7: Perform auto-tuning. Tuning
result is stored in the PID of
group 7.
8: Perform auto-tuning. Tuning
result is stored in the PID of
group 8.
R: Tuning result is stored in the PID
for reference deviation.
MODE
AT.BS
SP bias in auto-
tuning
PRO
-100.0to100.0%ofPVinputrange
span (EUS)
TUNE
Note1: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
 CAUTION
Set the operation mode to AUTO and RUN to perform auto-tuning.
LampStatus
Status STOPlamp CASlamp MANlamp
During auto-tuning Unlit Unlit Blinking