52 Unidrive M300/HS30 Quick Start Guide
Issue Number: 7
Open loop mode:
Final Demand Reference shows the fundamental drive output frequency from the Post Ramp
Reference and the Hard Frequency Reference.
RFC mode:
Final Demand Reference shows the reference at the input to the frequency controller, which is the
sum of the Post Ramp Reference, if the ramp output is not disabled and the hard frequency
reference (if enabled). If the drive is disabled Final Demand Reference shows 0.00.
Voltage across the internal DC bus of the drive.
Open loop mode:
The Output Frequency is the sum of the Post Ramp Reference and the motor slip compensation
frequency.
RFC-A mode:
The output frequency is not controlled directly, but the Output Frequency is a measurement of the
frequency applied to the motor.
The Output Voltage is the r.m.s line to line voltage at the a.c. terminals of the drive.
83 Final Demand Reference
RO Num ND NC PT FI
OL
Ú
-Pr 02 to Pr 02 or Pr 01 to Pr 02 Hz
Ö
RFC-A
84 D.C. Bus Voltage
RO Num ND NC PT FI
OL
Ú
0 to 415 V or 0 to 830 V
Ö
RFC-A
85 Output Frequency
RO Num ND NC PT FI
OL
Ú
± 550.00 Hz
Ö
RFC-A
86 Output Voltage
RO Num ND NC PT FI
OL
Ú
0 to 325 V or 0 to 650 V
Ö
RFC-A
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