Slc Application Example - Danfoss FC 300 Design Manual

9 Application Examples

9.1.11 SLC Application Example

One sequence 1:
Start – ramp up – run at reference speed 2 sec – ramp down and hold shaft until stop.
Set the ramping times in par. 3-41
t acc n norm
9 ×
t ramp =
ref RPM
No Operation
Set term 27 to
Set Preset reference 0 to first preset speed (par. 3-10
60%
Set preset reference 1 to second preset speed (par. 3-10
Set the timer 0 for constant running speed in par. 13-20
Set Event 1 in par. 13-51
Set Event 2 in par. 13-51
Set Event 3 in par. 13-51
Set Event 4 in par. 13-51
Set Action 1 in par. 13-52
Set Action 2 in par. 13-52
Set Action 3 in par. 13-52
Set Action 4 in par. 13-52
9-6
Ramp 1 Ramp-up Time
and par. 3-42
( par . 1 − 25 )
Terminal 27 Digital Input
(par. 5-12
Preset Reference
Preset Reference
SL Controller Timer
SL Controller Event [1] to True [1]
SL Controller Event [2] to On Reference
SL Controller Event Time Out 0
[3] to
SL Controller Event False
[1] to [0]
SL Controller Action [1] to Select preset 0
SL Controller Action Start Timer 0
[2] to
SL Controller Action Select preset 1
[3] to
SL Controller Action No Action
[4] to
MG.33.BC.22 - VLT
Ramp 1 Ramp-down Time
)
[0]) in percentage of Max reference speed (par. 3-03
[1] Ex.: 0% (zero).
[0]. Ex.: 2 sec.
[4]
[30]
[10]
[29]
[11]
[1]
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FC 300 Design Guide
to the wanted times
Maximum Reference
). Ex.: