8-43
IM 05P02C41-01EN
Control Functions
8.2.1 PID Control
Description
PID control is a general control using control-related parameters PID.
PID should be obtained by adjusting manually or by auto-tunings at SP during program
pattern operation, local target setpoint, or remote setpoint.
Setting Details
Parameter
symbol
Name
Display
level
Setting range
Menu symbol
CNT
Control type
EASY
PID: PID control
ONOF: ON/OFF control (1 point of
hysteresis)
ONOF2: ON/OFF control (2 points
of hysteresis)
H/C: Heating/cooling control
CTL
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
MR
Manual reset
EASY
-5.0 to 105.0%
Note 1: The PID number (1 to 8, or R) is displayed on Group display while the parameter P, I, D, Pc,
Ic, Dc, or MR is displayed.
Note 2: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
Note 3: The parameter CNT of Loop 2 displays PID and H/C.
8
8.2 Setting Control Type (CNT)
Содержание UTAdvanced UP55A
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