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Chapter 4 - Parameter Description [FU1]
41
[Stop Mode: ‘Free-run’]
FU1-08: DC Injection Braking Frequency
FU1-09: DC Injection Braking On-delay Time
FU1-10: DC Injection Braking Voltage
FU1-11: DC Injection Braking Time
This function stops the motor immediately by
introducing DC voltage to the motor windings.
Selecting ‘DC-Brake’ in FU1-07 activates FU1-08
through FU1-11.
FU1-08 [DC Injection Braking Frequency] is the
frequency at which the inverter starts to output DC
voltage during deceleration.
FU1-09 [DC Injection Braking On-delay Time] is
the inverter output blocking time before DC
injection braking.
FU1-10 [DC Injection Braking Voltage] is the DC
voltage applied to the motor and is based on FU2-
33 [Rated Current of Motor].
FU1-11 [DC Injection Braking Time] is the time
the DC current is applied to the motor.
[DC Injection Braking Operation]
FU1-12: Starting DC Injection Braking Voltage
FU1-13: Staring DC Injection Braking Time
Inverter holds the starting frequency for
Starting DC Injection Braking Time. The
inverter outputs DC voltage to the motor for FU1-
13 [Starting DC Injection Braking Time] with the
FU1-12 [Starting DC Injection Braking Voltage]
before accelerating.
Output Frequency
Time
FX-CM
ON
Output Voltage
Time
Time
Stop Command
Output Cutoff
Output Cutoff
Output Frequency
Time
FX-CM
ON
Output Voltage
Time
Time
Stop Command
FU1-08
[DCBr Freq]
FU1-10
[DCBr Value]
t1 t2
t1: FU1-09
t2: FU1
-
11