Danfoss VLT FC 51 Series User Manual

1-63 Slip Compensation Time
Range: Function:
0.10 s [0.05 - 5.00 s] Enter slip compensation reaction speed. A high value results in
slow reaction whereas a low value results in quick reaction.
If low-frequency resonance problems arise, use longer time set-
ting.
4.2.5. 1-7* Start Adjustments
Considering the need for various start functions in different applications, it is possible to select a
number of functions in this parameter group.
1-71 Start Delay
Range: Function:
The start delay defines the time to pass from a start command
is given until the motor starts accelerating.
Setting start delay to 0.0 sec. disables
Start Function , [1-72],
when start command is given.
0.0 s
*
[0.0 - 10.0 s] Enter the time delay required before commencing acceleration.
Par. 1-72
Start Function is active during Start delay time .
1-72 Start Function
Option: Function:
[0] DC Hold/Delay Time Motor is energized with DC holding current (par. 2-00) during
start delay time.
[1] DC Brake/Delay Time Motor is energized with DC braking current (par. 2-01) during
start delay time.
[2]
*
Coast/Delay Time Inverter is coasted during start delay time (inverter off).
1-73 Flying Start
Option: Function:
Use flying start to catch a spinning motor after eg. mains drop-
out.
This function is not suitable for hoisting applica-
tions.
[0] *
Disabled Flying start is not required.
[1] Enabled Frequency converter enabled to catch spinning motor.
NB!
When flying start is enabled par. 1-71,
Start De-
lay
, and par. 1-72, Start Function , have no func-
tion.
4. Parameter Descriptions VLT Micro Drive FC 51
24 MG.02.C2.02 - VLT
®
is a registered Danfoss trademark
4

Danfoss VLT FC 51 Series Specifications

General

Brand	Danfoss
Model	VLT FC 51 Series
Category	DC Drives
Language	English