User Parameter Tables
5-
75
Speed Feedback Protection Control Functions: n2
User parameters for speed feedback protection control functions are shown in the following table.
High-slip Braking: n3
User parameters for high-slip braking are shown in the following table.
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
n2-01
Speed
Feedback
Detection
Control
(AFR) Gain
Sets the internal speed
feedback detection control
gain in the automatic
frequency regulator (AFR).
Normally, there is no need to
change this setting. Adjust
this parameter as follows:
- If hunting occurs, increase
the set value.
- If response is low, decrease
the set value.
Adjust the setting by 0.05
units at a time, while
checking the response.
0.00
to
10.00
1.00
No
No
No
A
No
No
584H
AFR Gain
n2-02
Speed
Feedback
Detection
Control
(AFR) Time
Constant
Sets the time constant to
control the rate of change in
the speed feedback detection
control.
0
to
2000
50ms
No
No
No
A
No
No
585H
AFR Time
n2-03
Speed
Feedback
Detection
Control
(AFR) Time
Constant 2
Sets the time constant to
control the amount of change
in the speed at low speed.
0
to
2000
750ms
No
No
No
A
No
No
586H
AFR Time 2
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
MODBUS
Register
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
n3-01
High Slip
Braking
Deceleration
Frequency
Width
Sets how aggressively the
Drive decreases the output
frequency as it stops the
motor using high slip braking
(HSB). If Overvoltage (OV)
faults occur during HSB, this
parameter may need to be
increased.
1 to 20
5%
No
A
A
No
No
No
588H
HSB Down
Freq
n3-02
High Slip
Braking
Current Limit
Sets the maximum current to
be drawn during an HSB stop.
Higher n3-02 settings will
shorten motor stopping times
but cause increased motor
current, and therefore
increased motor heating.
100
to
200
150%
No
A
A
No
No
No
589H
HSB Current
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