Parameter Tables
5
-
11
PI Control: b5
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Access
Level
RS-422A/
485
Register
Page
LCD
Display
b5-01
PI control
mode selec-
tion
0: Disabled
1: Enabled
0 to 1
0
No
A
1A5H
6-66
PI Mode
b5-02
Proportional
gain (P)
Sets P-control proportional gain
as a percentage.
P-control is not performed when
the setting is 0.00.
0.00
to
25.00
1.00
Yes
A
1A6H
6-66
PI Gain
b5-03
Integral (I)
time
Sets I-control integral time in 1-
second units.
I-control is not performed when
the setting is 0.0.
0.0 to
360.0
1.0 s
Yes
A
1A7H
6-66
PI I Time
b5-04
Integral (I)
limit
Sets the I-control limit as a per-
centage of the maximum output
frequency.
0.0 to
100.0
100.0%
Yes
A
1A8H
6-66
PI I Limit
b5-06
PI limit
Sets the limit after PI-control as a
percentage of the maximum out-
put frequency.
0.0 to
100.0
100.0%
Yes
A
1AAH
6-66
PI Limit
b5-07
PIPI offset
adjustment
Sets the offset after PI-control as
a percentage of the maximum
output frequency.
-100.0
to
+100.0
0.0%
Yes
A
1ABH
6-66
PI Offset
b5-08
PI primary
delay time
parameter
Sets the time parameter for low
pass filter for PI-control outputs
in 1-second units.
Usually not necessary to set.
0.00 to
10.00
0.00 s
Yes
A
1ACH
6-66
PI Delay Time
b5-12
Selection of PI
feedback
command loss
detection
0: No detection of loss of PI
feedback.
1: Detection of loss of PI feed-
back.
Operation continues during
detection, with the mal-
functioning contact not opera-
ting.
2: Detection of loss of PI feed-
back.
Coasts to stop during detec-
tion and fault contact operates.
0 to 2
0
No
A
1B0H
6-66
Fb los Det Sel
b5-13
PI feedback
command loss
detection level
Sets the PI feedback loss detec-
tion level as a percent units, with
the maximum output frequency at
100%.
0 to
100
0%
No
A
1B1H
6-66
Fb los Det Lvl
b5-14
PI feedback
command loss
detection time
Sets the PI feedback loss detec-
tion level in s units.
0.0 to
25.5
1.0 s
No
A
1B2H
6-66
Fb los Det
Time
b5-15
PI sleep func-
tion operation
level
Set the PI sleep function start
level as a frequency.
0.0 to
120.0
0.0 Hz
No
A
1B3H
6-66
PI Sleep Level
b5-16
PI sleep oper-
ation delay
time
Set the delay time until the PI
sleep function starts in seconds.
0.0 to
25.5
0.0 s
No
A
1B4H
6-66
PI Sleep Time