YOKOGAWA UT55A User Manual

18-12
IM 05P01C31-01EN
PIDSettingMenu(Menu:PID)(Continuedfrompreviouspage)
Parameter
symbol
Name
Display
level
Setting range Initialvalue
SU.HY
Sub-hysteresis (in
Two-position two-
level control)
EASY
0.0to100.0%
ofPVinputrange
span (EUS)
0.5%ofPV
input range
span
HY.UP
Upper-side
hysteresis (in ON/
OFF control)
EASY
0.0to100.0%
ofPVinputrange
span (EUS)
0.5%of
PV
input range
span
HY.LO
Lower-side
hysteresis (in ON/
OFF control)
EASY
0.5%of
PV
input range
span
DR
Direct/reverse
action switch
STD
RVS:Reverse
action,DIR:Direct
action
RVS
SU.DR
Sub-direct/reverse
action switch (in
Two-position two-
level control)
STD DIR
Pc
Cooling-side
proportional band
EASY
0.0
to999.9%
(Cooling-side ON/OFF control
applies
when0.0%inHeating/
cooling control)
5.0%
Ic
Cooling-side
integral time
EASY
OFF: Disable
1 to 6000 s
240 s
Dc
Cooling-side
derivative time
EASY
OFF: Disable
1 to 6000 s
60 s
OHc
Cooling-side control
output high limit
EASY 0.1
to105.0%,(OLc<OHc) 100.0%
OLc
Cooling-side control
output low limit
EASY 0.0to104.9%,
(OLc<OHc) 0.0%
HYSc
Cooling-side
ON/OFF control
hysteresis
EASY 0.0to100.0% 0.5%
DB
Output dead band
(in Heating/cooling
control or Position
p
roportional control)
EASY
In Heating/cooling control: -100.0
to50.0%
In Position proportional control: 1.0
to
10.0%
3.0%
PO
Preset output
Heating-side preset
output (in Heating/
cooling control)
EASY -5.0to105.0% 0.0%
SU.PO
Sub-preset output
(in
Two-position
two-level control)
EASY 0%,100% 0%
POc
Cooling-side preset
output
EASY -5.0to
105.0% 0.0%
In Cascade control, the following parameters are also displayed for secondary loop. (the LP2 lamp
is lit)
• Parameter: DR, Pc, Ic, Dc, OHc, OLc, HYSc, DB, PO, POc
18.2ListofParameters

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English