6.1.6 SLC Application ExampleOne sequence 1:Start – ramp-up – run at reference speed 2 sec – ramp-down and hold shaft until stop.Set the ramping times in par. 3-41Ramp 1 Ramp Up Time and par. 3-42Ramp 1 Ramp Down Time to the wanted timestramp =tacc ×nnorm (par. 1 − 25)ref RPMSet term 27 toNo Operation (par. 5-12Terminal 27 Digital Input)Set Preset reference 0 to first preset speed (par. 3-10Preset Reference [0]) in percentage of Max reference speed (par. 3-03Maximum Reference). Ex.:60%Set preset reference 1 to second preset speed (par. 3-10Preset Reference [1] Ex.: 0% (zero).Set the timer 0 for constant running speed in par. 13-20SL Controller Timer [0]. Ex.: 2 sec.Set Event 1 in par. 13-51SL Controller Event [1] toTrue [1]Set Event 2 in par. 13-51SL Controller Event [2] toOn Reference [4]Set Event 3 in par. 13-51SL Controller Event [3] toTime Out 0 [30]Set Event 4 in par. 13-51SL Controller Event [1] toFalse [0]Set Action 1 in par. 13-52SL Controller Action [1] toSelect preset 0 [10]Set Action 2 in par. 13-52SL Controller Action [2] toStart Timer 0 [29]Set Action 3 in par. 13-52SL Controller Action [3] toSelect preset 1 [11]Set Action 4 in par. 13-52SL Controller Action [4] toNo Action [1]6 Application Examples VLT® AQUA Drive Design Guide6-4 MG.20.N5.22 - VLT® is a registered Danfoss trademark6