YOKOGAWA UT Advanced UT32A, User Manual

Page: 298 / 340

18-11
IM 05P01D31-01EN
Parameters
18
PID Setting Menu (Menu: PID)
Parameter
symbol
Name
Display
level
Setting range Initial value
P
Proportional band
Heating-side
proportional band
(in Heating/cooling
control)
EASY
0.0 to 999.9%
When 0.0% is set, it operates as
0.1%.
Heating-side ON/OFF control
applies when 0.0% in Heating/
cooling control
5.0%
I
Integral time
Heating-side
integral time (in
Heating/cooling
control)
EASY
OFF: Disable
1 to 6000 s
240 s
D
Derivative time
Heating-side
derivative time (in
Heating/cooling
control)
EASY
OFF: Disable
1 to 6000 s
60 s
OH
Control output high
limit
Heating-side control
output high limit
(in Heating/cooling
control)
EASY
-4.9 to 105.0%, (OL<OH)
In Heating/cooling control: 0.1 to
105.0% (OL<OH)
100.0%
OL
Control output low
limit
Heating-side control
output low limit (in
Heating/cooling
control)
EASY
-5.0 to 104.9%, (OL<OH), SD:
Tight shut
In Heating/cooling control: 0.0 to
104.9% (OL<OH)
0.0%
MR Manual reset EASY
Enabled when integral time is OFF.
The manual reset value equals the
output value when PV = SP.
-5.0 to 105.0%
50.0%
HYS
Hysteresis
(in ON/OFF
control, Position
proportional control,
or Two-position two-
level control)
Heating-side
ON/OFF control
hysteresis (in
Heating/cooling
control)
EASY
In ON/OFF control or Two-position
two-level 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%
In ON/OFF
control or Two-
position two-
level control:
0.5 % of PV
input range
span
In Heating/
cooling control
or Position
proportional
control: 0.5 %
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
18.2 List of Parameters