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Default value (factory setup)
Table 3.15.1 Parameters on PID constants set screen
Parameter
Initial value
Ph
1.0 %
Ih
1.0 min
Dh
0 min
DIFFh
50.0 %
Pc
1.0 %
Ic
1.0 min
Dc
0 min
DIFFc
50.0 %
MR
0 %
DB
1.0 %
LOWER
0.0 %
UPPER
100.0 %
TUNING
0.0 EU
POINT
Range
Proportional band or Gain for Heating Value does
0.1~9999 % or
change from PB or Gain.
0.1 ~ 1000 %
When the value is zero, ON/OFF Control or Duplex
ON/OFF Control for Heating is operated.
Integral(Reset) for Heating Value does not change
00.02~50.00 min
from MIN to RPT
00.00~10.00 min
Derivative(Rate) for Heating
0.0~100.0 % of
Heating Differential(Hysteresis) only for ON/OFF
PV span
Control
Proportional band or Gain for Cooling
0.1~9999%
When the value is zero, Duplex ON/OFF Control is
operated.
00.01~10.00min
Integral(Reset) for Cooling
00.02~50.00min
Derivative(Rate) for Cooling
0.0~100.0 % of
Cooling Differential(Hysteresis) only for ON/OFF
PV span
Control
Manual Reset: Only applicable if you do not use
RESET (Integral time). Allows correction of output to
-100 ~ 100 %
account for load changes to bring the PV up to
setpoint. When the value is not zero, Manual Reset is
operated.
Time duplex
-5.0 ~ 25.0 %
Dead Band
ON/OFF duplex
0 ~ 25.0 %
-5.0 ~ 105.0 %
MV limit minimum value
-5.0 ~ 105.0 %
MV limit maximum value
According to SP
Tuning point for automatic tuning
limit range
- 68 -
Remarks
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