YOKOGAWA UP55A - Page 289

10-14
IM 05P02C41-01EN
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
HYS
Hysteresis (in ON/OFF
control, or Position
proportional control)
Heating-side ON/OFF
control hysteresis
(in Heating/cooling
control)
EASY
In ON/OFF control: 0.0 to
100.0% of PV input range
span (EUS)
In Heating/cooling control
or Position proportional
control: 0.0 to 100.0%
PID
HYSc
Cooling-side ON/OFF
control hysteresis
EASY 0.0 to 100.0%
DB
Output dead band (in
Heating/cooling control
or Position proportional
control)
EASY
In Heating/cooling control:
-100.0 to 50.0%
In Position proportional
control: 1.0 to 10.0%
Note1: The PID number (1 to 8, or R) is displayed on Group display while each parameter is
displayed.
Note2: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
10.9SettingHysteresisandDeadBandforHeating/coolingControlOutput