Rockwell Automation SA3100 Distributed Power System Drv Config,Program User Manual
Page 85
Configuring the UDC Module’s Registers
3-47
Revolutions Per Minute Register
217/1217
The Revolutions Per Minute register contains the speed of the motor
in RPM. A positive number in this register indicates a forward
direction; a negative number indicates a reverse direction.
Sug. Var. Name:
RPM%
Units:
RPM
Range:
N/A
Access:
Read only
Note that this register is not intended for closed loop control.
Slip Feedback Register (Vector)
218/1218
In Vector mode, register 218/1218 functions as the Slip Feedback
register. This register displays the amount of rotor slip. The displayed
value is equal to Hertz times 100. For example, 5 Hz would be
displayed as 500.
Sug. Var. Name:
SLIP_FB%
Units:
Hz
∗
100
Range:
N/A
Access:
Read only
Carrier Frequency Register (V/Hz)
218/1218
In Volts per Hertz mode, register 218/1218 functions as the Carrier
Frequency register. This register contains the drive’s present carrier
frequency. The value is scaled in kHz
∗
10.
Sug. Var. Name:
CARR_FB%
Units:
kHz
∗
10
Range:
N/A
Access:
Read only
Selected Variable Register
219/1219
The Selected Variable register contains the value of the variable that
is selected for display on PMI meter port 4.
Sug. Var. Name:
SEL_VAR%
Units:
N/A
Range:
N/A
Access:
Read only
This register provides monitoring of data in the UDC module that is normally only available within the PMI
regulator. Refer to chapter 2 for more information on displaying variables on the PMI Regulator’s meter
ports.
(Unused)
220/1220
Reserved for future use
Sug. Var. Name:
Units:
Range:
Access:
(Unused)
221/1221
Reserved for future use
Sug. Var. Name:
Units:
Range:
Access: