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7 Other Functions
7 - 62
Multi-function Compact Inverter 3G3MX2-V1 User’s Manual (I585-E1)
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Frequency pull-in restart
Frequency pull-in restart causes the inverter to restart by outputting the starting frequency set in the
Starting Frequency Selection at Frequency Pull-in Restart (b030) to the motor in a free-run stop
state and re-accelerating when the Frequency Pull-in Restart Level (b028) is reached.
This enables a smooth restart independent of the voltage between motor terminals.
Use this setting when the inverter is in free-run state for a long time due to a large load inertia.
In the PM motor mode, the inverter does not display “Frequency pull-in restart” for selection func-
tions.
The main parameters associated with frequency matching restart and frequency pull-in restart are as
shown in the table below.
For details on free-run stop, refer to
5-7-2 Free-run Stop Selection
on page 5-39.
Parameter
No.
Function name
Data
Default
data
Unit
b003
Restart Standby Time
0.3 to 100.0
Set the wait time until the inverter restarts.
1.0
s
b007
Frequency Matching
Lower Limit Frequency
0.00 to 400.0
The inverter will restart from 0 Hz if the fre-
quency when the motor is in a free-run state
drops to the b007 value or lower.
0.00
Hz
b028
Frequency Pull-in Restart
Level
0.20
×
Rated current to 2.00
×
Rated current
Rated
current of
inverter
A
b029
Frequency Pull-in Restart
Parameter
0.1 to 999.9
1000. to 3000.
Set the deceleration rate for the output fre-
quency during frequency pull-in restart.
Set the deceleration time from the maximum
frequency to 0 Hz.
0.5
s
b030
Starting Frequency Selec-
tion at Frequency Pull-in
Restart
00:
Frequency at shutoff
00
−
01:
Maximum frequency
02:
Set frequency (Frequency reference)
b028
b003
Decelerates according to b029
Frequency selected in b030
FW input
(Forward)
Power supply
Output current
Motor rotation
speed
Inverter output
frequency
Summary of Contents for SYSDRIVE MX2 SERIES
Page 1: ...Multi function Compact Inverter MX2 Series Type V1 User s Manual I585 E1 01 3G3MX2 A V1 ...
Page 32: ...CONTENTS 29 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 108: ...2 Design 2 48 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 176: ...4 Parameter List 4 42 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 538: ...10 Troubleshooting 10 22 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 598: ...12 Options 12 50 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 614: ...Appendices A 16 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 ...
Page 615: ...I 1 Multi function Compact Inverter 3G3MX2 V1 User s Manual I585 E1 I Index ...