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Function Blocks
PID Function Block
282
HC900 Hybrid Control Designer Function Block Reference Guide
Revision 11
2/07
ACCUTUNEIII tab
Table 84 PID Accutune III tab configuration parameters
Properties Group
Parameter
Index #
Parameter Description
Value or Selection
Accutune III Type
Disabled
N/A
Disables Accutune III
Click on radio button to
select.
Cycle
Tuning
Tuning parameter values are
derived from the process response
to the resultant action of causing
the PV to oscillate about the SP
value. (
H
H
H
Note 1 - Page
H
284)
Click on radio button to
select.
SP
Tuning
Tuning based on the process
response to a SP change.
(Note 2 – Page
H
284)
Click on radio button to
select.
SP Tuning
Direction
(For SP Tuning
selection)
UP
Down
N/A
The selection of either UP or
DOWN results in the SP Change
value added or subtracted from the
present SP value.
Click on radio button to
select.
SP Process
(For SP Tuning
selection)
Process Gain
SPTune
Change
16
57
Gain identification value for the
process. This value is used to
estimate the size of the initial output
step for a SP Tune.
This defines the value of the initial
output step change that is used as
the target for process identification..
Range is 0.10 to 10.0
Normal value is 1.
Range is: 5 to 15
percent.