5-16
* Factory settings will change when the control method is changed. (Open-loop vector 1 factory settings are given.) Set to “3” in V/f w/PG.
** Factory settings will change when the control method is changed.
b3-05
Speed Sarch
Delay Time
Delays the speed search
operation after a momentary
power loss to allow time for an
external output contactor to
re-energize.
0.0
to
20.0
0.2 s No A A A A A 195H
Search
Delay
b3-10
Speed Sarch
Detection
Compensation
Gain
Sets the gain for the frequency
at which the Drive starts speed
estimation speed search. Use
only when b3-01 = 0 or 1.
1.00
to
1.20
1.10 No A No A No A 19AH
Srch Detect
Comp
b3-13
Proportional
Gain of
Observer
During
Speed
Search
Sets n4-08 in units of 1.0 for
P-gain (PI Controls) as the
Observer during Speed Search.
Note: Normally this parameter
need not be changed, although
a low setting is needed when
OV occurs during speed search
with a large amount of load
inertia. Set larger values when
working with speed agree.
0.1
to
2.0
1.0% No No No No No A 19DH
Srch Est P
Gain
b3-14
Bi-directional
Speed
Search
Selection
This parameter enables the
Drive to detect the direction of
rotation of the motor during
speed search.
0: Disable - Drive uses
frequency reference
direction.
1:Enable - Drive uses detected
direction
0 to 1 1 No A A A No A 19EH
Bidir Search
Sel
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
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