Dancer feedback speed control details
76
3.5.10
Tension PI gain tuning
During dancer/tension feedback speed control, the PI gain is automatically set by changing the PID manipulated amount and
measuring the PID response.
PI gain automatic tuning facilitates setting of PID gain.
The tension PI gain tuning can be performed either while the system is stopped or in operation.
System configuration example
Pr.
Name
Initial value
Setting
range
Description
554
A604
PID signal operation
selection
0
0 to 3
The action when the upper or lower limit for a measured
value input is detected or when a limit for the deviation
is detected can be selected.
1211
R171
Tension PI gain tuning
timeout time
50 s
1 to 9999 s
Set the timeout time.
1215
R172
Limit cycle output upper limit
0%
0 to 100%
Set the output upper limit for the amount of positive
manipulation.
1217
R173
Limit cycle hysteresis
1%
0.1 to 10%
Set the hysteresis of the set point.
1219
R170
Tension PI gain tuning start/
status
0
0
Tension PI gain tuning is not performed. (Read only)
1
Tension PI gain tuning starts.
8
Tension PI gain tuning is forcibly terminated.
2, 3, 9, 12, 13,
90 to 96
Tuning status is indicated. (Read only)
1222
R175
Target amplitude
9999
0 to 100%
Set the target amplitude for the limit cycle.
9999
Tension PI gain tuning during a stop is diabled.
1223
R174
Manipulated amount for
operation
1%
0 to 10%
Set the amount for manipulation to fit the value to the
set point.
1226
R176
Tension PI gain tuning
response level setting
2
1 to 7
Set the response level.
FR-A800-R2R
Encoder
Potentiometer
Lock the rolls.
Dancer roll
Dancer signal
Minimum
diameter
Maximum diameter
1
STF/STR
PID upper limit
PID lower limit
Start signal
FUP
FDN
Dancer/tension control selection
X114
FR-A8AP
M
Summary of Contents for A800 Plus Series
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