Santerno Sinus Penta - Figure 64: Speed Searching (Example 1)

PROGRAMMING GUIDE
SINUS PENTA
379/486
Figure 64: Speed Searching (Example 1)
– Output Frequency and motor RPM for the Speed Searching Function (C245 = [YES]) activated by the ENABLE-A and
ENABLE-B command. t
O
< t
SSdis
(C246) or C246 = 0.
Three stages:
Time t
1
The drive output frequency corresponds to the last value which was active before disabling the drive; output
current matches with the value set in C248;
Time t
2
Output frequency is decremented following the ramp set in C247 for rotation speed searching;
Time t
3
The connected motor accelerates following the acceleration ramp.