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E6581381
F-23
6
6.7 DC braking
6.7.1 DC braking
H : DC braking starting frequency
H
: DC braking current
H
: DC braking time
• Function
A large braking torque can be obtained by applying a direct current to the motor. These parameters
set the direct current to be applied to the motor, the application time and the starting frequency.
[Parameter setting]
Title Function Adjustment range Default setting
H
DC braking starting frequency 0.0-HJ (Hz) 0.0
H
DC braking current 0-100 (%) / (A) 50
H
DC braking time 0.0- 20.0 (sec) 1.0
Time [s]
DC braking starting frequency
H
DC braking current
H
DC braking time
H
Output frequency [Hz]
DC braking
Operation signal (F or R)
ON
OFF
Output current [A]
0
0
Set frequency
Note1: During DC braking, the overload protection sensitivity of the inverter increases. The DC braking
current may be adjusted automatically to prevent tripping.
Note 2: During DC braking, the carrier frequency is 6kHz irrespective of the setting of parameter
H
(PWM carrier frequency).