YOKOGAWA UT55A - Page 228

8-99
IM 05P01C31-01EN
Control Functions
ExampleofOvershootSuppressionControlforSetpointChanges
Time Time
Temperature Temperature
SUPER is not used SUPER is used
ExampleofOvershootSuppressionControlforRamp-to-soakTransition
SUPER is not used SUPER is used
Time Time
Sub-SP
Temperature Temperature
Setting Details
Parameter
symbol
Name
Display
level
Setting range Menusymbol
SC Super function EASY
OFF: Disable
1: Overshoot suppressing function
(normal mode)
2: Hunting suppressing function
(stable mode)
3: Hunting suppressing function
(response mode)
4: Overshoot suppressing function
(strong suppressing mode)
TUNE
Note1: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
ThesettingSC=4iseffectivecomparedwithSC=1.However,thehuntingmayoccuruntil
thePVreachesSP.Useitasusage.
Do not use the Super function for the Sample PI control.
8
8.5SuppressingOvershoot(SuperFunction)