Danfoss FC 300 Programming Manual page 57

FC 300 Programming Guide
1-76 Start Current
Range:
0.00 A
2.4.8. 1-8* Stop Adjustments
Parameters for setting special stop features for the motor.
1-80 Function at Stop
Option:
*
[0]
[1]
[2]
[3]
[4]
1-81 Min Speed for Function at Stop [RPM]
Range:
3 RPM
1-82 Min Speed for Function at Stop [Hz]
Range:
0.0 Hz
1-83 Precise Stop Function
Option:
*
[0]
[1]
Function:
* [0.00 - par. 1-24] Some motors, such as cone rotor motors, need extra current/
starting speed (boost) to disengage the mechanical brake. Ad-
just par. 1-74
Set the required current value to disengage the mechanical
brake. Set par. 1-72
delay time in par. 1-71
present.
Function:
Select the drive function after a stop command or after the
speed is ramped down to the settings in par. 1-81
for Function at Stop [RPM]
Coast Leaves motor in free mode.
DC hold Energizes motor with a DC holding current (see par. 2-00).
Motor check Checks if a motor has been connected.
Pre-magnetizing Builds up a magnetic field while the motor is stopped. The motor
can now produce a quick torque build-up at start.
DC Voltage U0
Function:
* [0 - 600 RPM] Set the speed at which to activate par. 1-80
Function:
* [0.0 - 500 Hz] Set the output frequency at which to activate par. 1-80
at stop
Function:
Precise ramp stop Achieves high repetitive precision at the stopping point.
Counter stop with re- Runs the frequency converter from receipt of a pulse start signal
set until the number of pulses programmed by the user in par. 1-84
Precise Stop Counter Value
29 or input terminal 33.
An internal stop signal will activate the normal ramp down time
(par. 3-42, 3-52, 3-62 or 3-72). The counter function is activated
®
MG.33.M2.02 - VLT is a registered Danfoss trademark
Start Speed [RPM] and par. 1-76 to get this boost.
Start Function
to [3] or [4], and set a start
Start Delay
. A reference signal must be
.
.
has been received at input terminal
2. How to Programme
Min Speed
Function at stop
.
Function
57
2