2.3 Main Menu - Brakes - Group 2
2.4.1 2-0* DC-Brakes
Parameter group for configuring the DC brake and DC hold functions.
2-00 DC Hold/Preheat Current
Range:
Function:
50 %*
[Application dependant]
Enter a value for holding current as a percentage of the rated motor current I
M,N
set in
par. 1-24
Motor Current
. 100% DC holding current corresponds to I
M,N
.
This parameter holds the motor (holding torque) or pre-heats the motor.
This parameter is active if [1] DC hold/Preheat is selected in par. 1-80
Function at Stop
.
NB!
The maximum value depends on the rated motor current.
NB!
Avoid 100 % current for too long. It may damage the motor.
2-01 DC Brake Current
Range:
Function:
50 %*
[Application dependant]
Enter a value for current as a percentage of the rated motor current I
M,N
, see par. 1-24
Motor
Current
. 100% DC braking current corresponds to I
M,N
.
DC brake current is applied on a stop command, when the speed is lower than the limit set in
par. 2-03
DC Brake Cut In Speed [RPM]
; when the DC Brake Inverse function is active; or via the
serial communication port. The braking current is active during the time period set in par. 2-02
DC
Braking Time
.
NB!
The maximum value depends on the rated motor current.
NB!
Avoid 100 % current for too long. It may damage the motor.
2-02 DC Braking Time
Range:
Function:
10.0 s*
[0.0 - 60.0 s]
Set the duration of the DC braking current set in par. 2-01
DC Brake Current
, once activated.
2-03 DC Brake Cut In Speed [RPM]
Range:
Function:
Application
dependent*
[Application dependant]
2 Parameter Description
VLT
p
Automation VT Drive FC322
Programming Guide
52
MG.20.W1.22 - VLT
p
is a registered Danfoss trademark
2
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