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PI Control: b5
Name
Param-
eter
LCD
Number
Display
PI control
mode selec-
tion
0: Disabled
b5-01
1: Enabled
PI Mode
Proportional
Sets P-control proportional gain
gain (P)
as a percentage.
b5-02
P-control is not performed when
PI Gain
the setting is 0.00.
Integral (I)
Sets I-control integral time in 1-
time
second units.
b5-03
I-control is not performed when
PI I Time
the setting is 0.0.
Integral (I)
Sets the I-control limit as a per-
limit
b5-04
centage of the maximum output
PI I Limit
frequency.
PI limit
Sets the limit after PI-control as a
b5-06
percentage of the maximum out-
PI Limit
put frequency.
PIPI offset
Sets the offset after PI-control as
adjustment
b5-07
a percentage of the maximum
PI Offset
output frequency.
PI primary
Sets the time parameter for low
delay time
pass filter for PI-control outputs
parameter
b5-08
in 1-second units.
PI Delay Time
Usually not necessary to set.
Selection of PI
0: No detection of loss of PI
feedback
feedback.
command loss
detection
1: Detection of loss of PI feed-
back.
Operation continues during
detection, with the mal-
b5-12
functioning contact not opera-
ting.
Fb los Det Sel
2: Detection of loss of PI feed-
back.
Coasts to stop during detec-
tion and fault contact operates.
PI feedback
Sets the PI feedback loss detec-
command loss
tion level as a percent units, with
detection level
b5-13
the maximum output frequency at
Fb los Det Lvl
100%.
PI feedback
command loss
Sets the PI feedback loss detec-
detection time
b5-14
tion level in s units.
Fb los Det
Time
PI sleep func-
Set the PI sleep function start
tion operation
b5-15
level
level as a frequency.
PI Sleep Level
PI sleep oper-
ation delay
Set the delay time until the PI
b5-16
time
sleep function starts in seconds.
PI Sleep Time
Setting
Description
Range
0 to 1
0.00
to
25.00
0.0 to
360.0
0.0 to
100.0
0.0 to
100.0
-100.0
to
+100.0
0.00 to
10.00
0 to 2
0 to
100
0.0 to
25.5
0.0 to
120.0
0.0 to
25.5
Change
RS-422A/
Factory
during
Access
485
Setting
Opera-
Level
Register
tion
0
No
A
1A5H
1.00
Yes
A
1A6H
1.0 s
Yes
A
1A7H
100.0%
Yes
A
1A8H
100.0%
Yes
A
1AAH
0.0%
Yes
A
1ABH
0.00 s
Yes
A
1ACH
0
No
A
1B0H
0%
No
A
1B1H
1.0 s
No
A
1B2H
0.0 Hz
No
A
1B3H
0.0 s
No
A
1B4H
Parameter Tables
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Table of Contents
Troubleshooting
