Parameter Tables
5-
15
n
PID
Control:
b5
Parameters
for PID control are shown in the following table.
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
Register Page
LCD
Display
V/f
V/f
with
PG
Open
Loop
b5-01
PID
control
mode
selec-
tion
0: Disabled
1: Enabled
(Deviation is D-
controlled.)
2: Enabled
(Feedback value
is
D-controlled.)
3:
PID control enabled
(frequency
ref
PID
output, D control of
deviation)
4:
PID control enabled
(frequency
ref
PID
output, D control of
feedback
value).
0
to 4
0
No
A
A
A
1A5H
6-118
PID
Mode
b5-02
Propor-
tional
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
A
A
1A6H
6-118
PID
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
A
A
1A7H
6-118
PID
I Time
b5-04
Integral
(I)
limit
Sets
the I-control limit as a
percentage
of the maximum
output
frequency.
0.0
to
100.0
100.0%
Yes
A
A
A
1A8H
6-118
PID
I Limit
b5-05
Derivative
(D)
time
Sets
D-control derivative
time
in 1-second units.
D-control
is not performed
when
the setting is 0.00.
0.00
to
10.00
0.00
s
Yes
A
A
A
1A9H
6-118
PID
D Time
b5-06
PID
limit
Sets
the limit after PID-con-
trol
as a percentage of the
maximum
output frequency.
0.0
to
100.0
100.0%
Yes
A
A
A
1AAH
6-118
PID
Limit
b5-07
PID
offset
adjustment
Sets
the offset after PID-con-
trol
as a percentage of the
maximum
output frequency.
-100.0
to
+100.0
0.0%
Yes
A
A
A
1ABH
6-118
PID
Offset
b5-08
PID
primary
delay
time
constant
Sets
the time constant for
low
pass filter for PID-con-
trol
outputs in 1-second
units.
Not
usually necessary to set.
0.00
to
10.00
0.00
s
Yes
A
A
A
1ACH
6-118
PID
Delay
Time
b5-09
PID
output
characteris-
tics
selec-
tion
Select
forward/reverse for
PID
output.
0:
PID output is forward.
1:
PID output is reverse
(highlights
the output
code)
0
or 1
0
No
A
A
A
1ADH
6-118
Output
Level
Sel
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