NOTE!
Protection mode and trip delay features (
and
14-26 Trip Delay at Inverter Fault
) may delay
the activation of the mechanical brake in an alarm condition.
These features must be disabled in hoisting applications.
2-20 Release Brake Current
Range:
Function:
Application
dependent
*
[Application
dependant]
Set the motor current for release of
the mechanical brake, when a start
condition is present. The default
value is the maximum current the
inverter can provide for the
particular power size. The upper
limit is specified in
NOTE!
When Mechanical brake control
output is selected but no
mechanical brake is connected,
the function will not work by
default setting due to too low
motor current.
2-21 Activate Brake Speed [RPM]
Range:
Function:
Application
dependent
*
[0 - 30000
RPM]
Set the motor speed for activation
of the mechanical brake when a
stop condition is present. The
upper speed limit is specified in
2-22 Activate Brake Speed [Hz]
Range:
Function:
Application
dependent
*
[Application
dependant]
Set the motor frequency for
activation of the mechanical
brake when a stop
condition is present.
Parameter Descriptions
FC 300 Programming Guide
3-30
MG.33.MA.22 - VLT
®
is a registered Danfoss trademark
3
3