YOKOGAWA UTAdvanced UT55A, User Manual

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6-24
IM 05P01C31-01EN
6.4 Adjusting PID Manually
Setting Display
Parameter Setting Display Operation Display > PARAMETER or PARA key for 3
seconds (to [ MODE ] Menu Display) > Right arrow key (to [ PID ]
Menu Display ) > SET/ENTER key (The setting parameter
is displayed.) > Down arrow key (The setting parameter is
displayed.)
In the Setting Display for the PID parameters, Displays can
be arbitrarily switched using the Up, Down, Left or Right arrow
key. Pressing the Left or Right arrow key changes the group.
(The group number is displayed on Group display.)
Setting Details
Parameter
symbol
Name
Display
level
Setting range Menu symbol
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
PID
I
Integral time
Heating-side
integral time (in
Heating/cooling
control)
EASY
OFF: Disable
1 to 6000 s
D
Derivative time
Heating-side
derivative time (in
Heating/cooling
control)
EASY
OFF: Disable
1 to 6000 s
Pc
Cooling-side
proportional band
EASY
0.0 to 999.9%
Cooling-side ON/OFF control
applies when 0.0% in Heating/
cooling control
Ic
Cooling-side
integral time
EASY
OFF: Disable
1 to 6000 s
Dc
Cooling-side
derivative time
EASY
OFF: Disable
1 to 6000 s
PIDN
PID number
selection
EASY 1 to 8 SP
PIDG.
Number of PID
groups
STD 1 to 8 CTL
Note1: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
Note
When changing the setpoint of the parameter PIDG., if the setpoint of the parameter PIDN
which belongs to the SP menu is larger than that of the parameter PIDG., the PIDN setpoint is
changed to the PIDG. setpoint.