1.2 b: Application
66
YASKAWA ELECTRIC
SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
■
b5-07: PID Offset Adjustment
Sets the offset added to the PID controller output. Set as a percentage of the maximum
frequency.
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b5-08: PID Primary Delay Time Constant
Sets the time constant for the filter applied to the output of the PID controller. Normally,
change is not required.
Note:
Effective in preventing oscillation when there is a fair amount of oscillation or when rigidity is
low. Set to a value larger than the cycle of the resonant frequency. Increasing this time constant
reduces the responsiveness of the drive.
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b5-09: PID Output Level Selection
Normally, the output of the PID function increase whenever the PID input is negative
(feedback below setpoint). Using b5-09 the PID controller can be set up for applications that
require opposite operation.
Setting 0: Normal Output
A negative PID input causes an increase in the PID output (direct acting).
Setting 1: Reverse Output
A negative PID input causes an decrease in the PID output (reverse acting).
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b5-10: PID Output Gain Setting
Applies a gain to the PID output and can be helpful when the PID function is used to trim the
frequency reference (b5-01 = 3 or 4). Increasing b5-10 causes the PID function to have a
greater regulating effect on the frequency reference.
No.
Name
Setting Range
Default
b5-07
PID Offset Adjustment
-100.0 to 100.0%
0.0%
No.
Name
Setting Range
Default
b5-08
PID Primary Delay Time Constant
0.00 to 10.00 s
0.00 s
No.
Parameter Name
Setting Range
Default
b5-09
PID Output Level Selection
0 or 1
0
No.
Name
Setting Range
Default
b5-10
PID Output Gain Setting
0.00 to 25.00
1.00
Summary of Contents for OYMC V1000
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