User Constant Tables
5-
17
Speed Control (ASR): C5
User constants for speed control are shown in the following table.
* The factory setting will change when the control method is changed.
Constant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control
Methods
MEMOBUS
Register
Open-
loop
Vector
Flux
Vector
Display
C5-01
ASR proportional
(P) gain 1
Sets the proportional gain of the speed
loop (ASR.)
0.00 to
300.00
5.00
*
Yes
No
A
280H
ASR P Gain 1
C5-02
ASR integral (I)
time 1
Sets the integral time of the speed loop
(ASR) in 1-second units.
0.000
to
10.000
5.000
s
*
Yes
No
A
281H
ASR I Time 1
C5-03
ASR proportional
(P) gain 2
Usually setting is not necessary.
Set to change the rotational speed
gain.
0.00 to
300.00
5.00
*
Yes
No
A
282H
ASR P Gain 2
C5-04
ASR integral (I)
time 2
0.000
to
10.000
0.500
s
*
Yes
No
A
283H
ASR I Time 2
C5-06
ASR primary
delay time
Sets the filter time constant for output-
ting torque references from the speed
control loop (ASR). It is set in 1-sec-
ond units.
Usually setting is not necessary.
0.000
to
0.500
0.012
s
*
Yes
No
A
285H
ASR Delay Time
C5-07
ASR switching
frequency
Set the frequency for switching
between Proportion Gain 1, 2 and
Integral Time 1, 2 in Hz units.
0.00 to
100.00
0.00%
No
No
A
286H
ASR Gain SW
Freq
C5-08
ASR integral (I)
limit
Set to a small value to prevent any rad-
ical load change. Set to 100% of the
maximum output frequency.
0 to
400
200%
No
No
A
287H
ASR I Limit
P, I
0
E1-04
Motor speed (Hz)
P=C5-01
I=C5-02
P=C5-03
I=C5-04
