Danfoss FC 51 Series Programming Manual page 26

Parameter Descriptions
3-52 Ramp2 Ramp-down Time
Range:
Size [0.05-3600.00
related s]
4 4
4.4.6 3-8* Other Ramps
This section contains parameters for Jog and Quick Stop
Ramps.
With a Jog Ramp it is possible to both ramp up and down
whereas, it is only possible to ramp down with the Quick
Stop Ramp.
3-80 Jog Ramp Time
Range:
Size [0.05-3600.00
related s]
*
3-81 Quick Stop Ramp Time
Range:
Size related
*
24
Function:
Enter ramp down time from rated
motor frequency (f
Frequency to 0 Hz.
Choose a ramp down time that
does not cause over-voltage in
inverter due to regenerative
operation of motor. Furthermore,
regenerative torque must not
exceed limit set in 4-17 Torque Limit
in Generator Mode.
Function:
A linear ramp applicable when Jog
is activated. See parameter group
5-1* Digital Inputs, option [14].
Ramp up time = Ramp down time.
Jog Ramp time starts upon
activation of a jog signal via a
selected digital input or serial
communication port.
Function:
[0.05-3600.00 s] A linear ramp applicable when
Q-stop is activated. See
parameter group 5-1* Digital
Inputs, option [4].
MG02C602 - VLT
®
VLT Micro Drive FC 51 Programming Guide
) in 1-23 Motor
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