6.1.6 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
Ramp 1 Ramp Up Time
and par. 3-42
Ramp 1 Ramp Down Time
to the wanted times
t
ramp
=
t
acc
×
n
norm
(
par
. 1 − 25
)
ref
RPM
Set term 27 to
No Operation
(par. 5-12
Terminal 27 Digital Input
)
Set Preset reference 0 to first preset speed (par. 3-10
Preset Reference
[0]) in percentage of Max reference speed (par. 3-03
Maximum Reference
). Ex.:
60%
Set preset reference 1 to second preset speed (par. 3-10
Preset Reference
[1] Ex.: 0% (zero).
Set the timer 0 for constant running speed in par. 13-20
SL Controller Timer
[0]. Ex.: 2 sec.
Set Event 1 in par. 13-51
SL Controller Event
[1] to
True
[1]
Set Event 2 in par. 13-51
SL Controller Event
[2] to
On Reference
[4]
Set Event 3 in par. 13-51
SL Controller Event
[3] to
Time Out 0
[30]
Set Event 4 in par. 13-51
SL Controller Event
[1] to
False
[0]
Set Action 1 in par. 13-52
SL Controller Action
[1] to
Select preset 0
[10]
Set Action 2 in par. 13-52
SL Controller Action
[2] to
Start Timer 0
[29]
Set Action 3 in par. 13-52
SL Controller Action
[3] to
Select preset 1
[11]
Set Action 4 in par. 13-52
SL Controller Action
[4] to
No Action
[1]
6 Application Examples VLT
®
AQUA Drive Design Guide
6-4
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark
6
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