User`s manual
5-23
5
Speed Control (ASR): C5
* 1. The setting range is 1.00 to 300.00 if Closed Loop Vector control is used.
* 2. When the control method is changed, these values are reset to factory settings for the selected control mode. (The Closed Loop Vector control factory
settings are given)
* 3. The given setting range is valid if Heavy Duty is selected (C6-01=0, default setting). If Normal Duty 1 or 2 is selected (C6-01=1 or 2) the setting range
will be 0.0 to 400.0 Hz
Param
eter
Num-
ber
Name
Description
Set-
ting
Range
Fac-
tory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Register
Page
V/f
V/f
with
PG
Open
Loop
Vector
Closed
Loop
Vector
Display
C5-01
ASR pro-
portional
(P) gain 1
Sets the proportional gain of the
speed loop (ASR)
0.00 to
300.00
*1
20.00
*2
Yes No A No A 21BH 6-36
ASR P
Gain 1
C5-02
ASR inte-
gral (I)
time 1
Sets the integral time of the speed
loop (ASR).
0.000
to
10.000
0.500 s
*2
Yes No A No A 21CH 6-36
ASR I
Time 1
C5-03
ASR pro-
portional
(P) gain 2
Usually changing this setting is not
necessary.
0.00 to
300.00
*1
20.00
*2
Yes No A No A 21DH 6-36
ASR P
Gain 2
C5-04
ASR inte-
gral (I)
time 2
0.000
to
10.000
0.500 s
*2
Yes No A No A 21EH 6-36
ASR I
Time 2
C5-05
ASR limit Sets the upper limit for the compen-
sation frequency for the speed con-
trol loop (ASR) as a percentage of
the maximum output frequency.
0.0 to
20.0
5.0% No No A No No 21FH 6-36
ASR Limit
C5-06
ASR delay
time
Sets the filter time constant; the time
from the speed loop to the torque
command output. Usually changing
this setting is not necessary.
0.000
to
0.500
0.004
ms
No No No No A 220H 6-36
ASR
Delay
Time
C5-07
ASR
switching
frequency
Sets the frequency for switching
between Proportion Gain 1, 2 and
Integral Time 1, 2.
0.0 to
150.0
*3
0.0 Hz No No No No A 221H 6-36
ASR Gain
SW Freq
C5-08
ASR inte-
gral (I)
limit
Set the parameter to a small value to
prevent any radical load change. A
setting of 100% is equal to the maxi-
mum output frequency.
0 to
400
400% No No No No A 222H 6-36
ASR I
Limit
P,I
0 E1-04
P=C5-01
I=C5-02
P=C5-03
I=C5-04
Motor
speed (Hz)