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Section 4-2-3 Tune Controllers
Each control channel has two independent sets of Dual (Inc & dec) PID tuning parameters.
The tuning parameter screens are identical for all four sets with the exception of an additional screen
and setting following the last page of CH1 set 2 & CH2 set 2.
This screen allows the selection of set 2 for use whenever a default event is turned on. Event G for
CH1 set
2 and Event H for CH2 set 2. If the event is programmed off or the function disabled set 1 is
in
use.
Page 1: Select the Control channel and PID set to tune.
P
age 2: Parameters 1 – 3 of 11.
Line 1 will always display the CH and Stage (
The Pband and Pgain value will automatically adjust when the other parameters value is changed.
P
band = SPAN/Pgain, Pgain = SPAN/Pband. The Span value is set in the controller configuration.
Page 3: Parameters 4 – 6 of 11.
s ) being tuned.
et
Line 2: Select Cycle Tim
Line 3:
Proportional Band (P) in Control channel units.
Line 4:
Proportional Gain in decimal units.
Line 2: Select Reset (I
Line 3: Reset Windup Inhibit %. Select the % of th
Pband to be used as the
Line 4: Unwind Factor. Multiplier of Reset (I)
for de-integration and reduce over integration.
e in seconds. 15 sec. Max.
) action. 0:00 to 99:99 sec
Max error for reset action.
e
value
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