Honeywell IPC5000 - Page 78

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