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Chapter 10. Advanced functions
10. Advanced functions
10.1 DC brake
z Stop mode via DC brake
Group LED Display Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
F 4
[Stop mode select]
1
0/2 0
F 8
[DC Brake start
frequency]
- 0/60 5.0 Hz
F 9
[DC Brake wait time]
- 0/60 0.1 sec
F10
[DC Brake voltage]
- 0/200 50 %
Function
group 1
F11
[DC Brake time]
- 0/60 1.0 sec
Set F4 - [Stop mode select] to 1.
F 8: The frequency at which the DC brake will become active.
F 9: Inverter will wait for this time after F8 - [DC Brake start frequency] before applying F10 - [DC
Brake voltage].
F10: It sets the level as a percent of H33 – [Motor rated current].
F11: It sets the time that F10 - [DC Brake voltage] is applied to the motor after F 9 - [DC Brake wait
time].
CAUTION:
If excessive DC Brake voltage is set or DC Brake time is set too long, it may cause motor
overheating and damage to the motor.
Freq.
Run
command
Voltage
Current
F 8
F9 F11
F10
Setting F10 or F11 to 0 will disable DC brake.
F 9 – [DC Brake Wait time]: When load inertia is great or F 8 – [DC Brake Start
Frequency] is high, Overcurrent trip may occur. It can be prevented via F9.
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