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6. [Advanced] How to use parameters 6-36
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6. 8. 1 Obtaining large torque with DC braking
<F249: DC braking carrier frequency>
<F250: DC braking frequency>
<F251: DC braking amount>
<F252: DC braking time>
<F253: Fwd/Rev DC braking priority>
â– Function
Apply direct current to the motor to obtain braking torque. This will stop the motor. It is used, for
example, to securely decelerate and stop the motor.
You can set the amount and time of direct current applied to the motor and the start frequency.
â– Parameter setting
6. 8 DC braking
Title Parameter name Adjustment range Unit Default setting
F249 DC braking carrier
frequency
1.0 - 16.0 kHz
*1
*1 Depending on capacity. For details, refer to [11. 6].
F250 DC braking frequency 0.0 - FH Hz 0.0
F251 DC braking current 0 - 100 % 50
F252 DC braking time 0.0 - 25.5 s 1.0
F253 Fwd/Rev DC braking
priority
0: Disabled
1: Enabled
0
0.0HzSTOP
13:06
F249 : DC braking carrier freq
Min: 1.0 Max: 16.0
X1000 X100 X10 X1
kHz
4.0