Yaskawa AC Drive Z1000 Bypass Technical Manual - Manual (Page 327)

B.10 n: Special Adjustment
The n parameters adjust more advanced performance characteristics such as Hunting Prevention, speed feedback detection,
High Slip Braking, and Online Tuning for motor line-to-line resistance.
u n1: Hunting Prevention
No.
(Addr.
Hex)
Name Description Values Page
n1-01
(580)
Hunting Prevention
Selection
Hunt Prev Select
0: Disabled
0: Disabled
1: Enabled
1: Enabled
Default: 1
Range: 0, 1
181
n1-02
(581)
Hunting Prevention Gain
Setting
Hunt Prev Gain
If the motor vibrates while lightly loaded, increase the gain by 0.1 until
vibration ceases. If the motor stalls, decrease the gain by 0.1 until the stalling
ceases.
Default: 1.00
Min.: 0.00
Max.: 2.50
181
u n3: High Slip Braking (HSB) and Overexcitation Braking
No.
(Addr.
Hex)
Name Description Values Page
n3-04
(58B)
High-Slip Braking Overload
Time
HSB OL Time
Sets the time required for an HSB overload fault (oL7) to occur when the drive
output frequency does not change during an HSB stop. This parameter does
not typically require adjustment.
Default: 40 s
Min.: 30
Max.: 1200
181
n3-13
(531)
Overexcitation Deceleration
Gain
Hflux Brake Gain
Sets the gain applied to the V/f pattern during Overexcitation Deceleration
(L3-04 = 4).
Default: 1.10
Min.: 1.00
Max.: 1.40
182
B.10 n: Special Adjustment
YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual 327
B
Parameter List