Factory tuning: c8 – Yaskawa G5HHP Drive User Manual
Page 281
8.2 Programming Mode Constants
8 - 15
J
Factory Tuning: C8
C
t t
Name
S tti
F t
Change
Control Methods
Constant
Number
Display
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
V/f
V/f
with
PG
Open
Loop
Vector
Flux
Vector
Page
C8-08
AFR gain
Sets the internal speed feedback
detection control section as a ratio.
;
Usually setting is not necessary.
Adjust in the following circum-
stances:
S
When hunting occurs, increase 0.00 to
1 00
x
x
x
A
x
7 5
C8-08
AFR Gain
When hunting occurs, increase
the set values.
S
When responsiveness is low, de-
crease the set values.
Change the responsiveness in 0.05
units at a time, checking after each
change.
0.00 to
10.00
1.00
x
x
x
A
x
7 - 5
C8-09
Speed Feedback
Detection Limit (ARF)
Time
S
Increase setting if hunting occurs.
S
Decrease setting if response is
0 to
2000
50
x
x
x
A
x
----
AFR Time
g
p
poor.
2000
C8-30
Carrier frequency
selection during auto-
tuning
0: Carrier frequency is set to
2.0 kHz.
1: Carrier frequency is set to a value
0, 1
0
x
x
x
A
x
----
Carrier in tune
1: Carrier frequency is set to a value
as set in C6-01.
8