LG C Series - Manual (Page 80)

Chapter 10. Advanced functions
z Starting DC brake
Group LED Display Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
F12 [DC Brake start voltage] - 0/200 50 %
Function
group 1
F13
[DC Brake start time]
- 0/60 0 sec
ƒ F12: It sets the level as a percent of H33 – [Motor rated current].
ƒ F13: Motor accelerates after DC voltage is applied for the set 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.
Voltage
Run
command
F13 t
F12

Setting F12 or F13 to 0 will disable Starting DC brake.

t: After F13 - [DC Brake start time], the frequency is increasing after DC voltage is
applied until the time t. In this case, DC Brake start time may be longer than the set
value.
z DC brake at a stop
Group LED Display Parameter Name
Set
value
Min/Max
Range
Factory
Defaults
Unit
Function
group 1
F12 [DC Brake start voltage] - 0/200 50 %
I/O
group
I22
[Multi-function input
terminal P3 define]
11 0/24 2
ƒ F12: Set as a percent of H33 – [Motor rated current].
ƒ Select a terminal to issue a command of DC brake during stop among P1 thru P5.
ƒ If P3 terminal is set for this function, set 22 to 11 {DC brake during stop}.
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.
Voltage
Run
command
F12
P3
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