Danaher Motion SuperDrive ACS24 Series, User Manual

Page: 45 / 99

26.04.2005
Configuration & control of the AC SuperDrive
6.3 S
PEED MEASUREMENT
Figure 21. Speed Measurement.
Index Sub-
Index Name Description
2050h 4 Sensor Pulses per
Revolution Ususally 64 or 80.
2050h 2 Speed Filter Gain First order filtering coefficient for the speed used in the
speed control.
FilteredValue = FilteredValue-FilterGain/256*
( RawValue-FilteredValue)
Filter gain = 256 means no filtering.
2050h 5 Acceleration Read only variable (rpm/20ms).
Table 8. Speed Measurement – Parameters.
6.3.1 T
UNING OF SPEED MEASUREMENT
The parameter Sensor Pulses per Revolution is given by the AC motor used. For the other
Speed Measurement parameters (
Table 8 ), the defaults values are optimum for the majority of
applications and do normally not require further adjustment.
User's Guide 1.0 Item No.
89Y05120A
45