Reference Manual

ManualsBrandsRockwell Automation ManualsEquipment20D PowerFlex 700S AC Drives with Phase II Control

Rockwell Automation Publication PFLEX-RM003E-EN-E - January 2011 167

Detailed Drive Operation Chapter 1

Application

Dependant Speed

Reference Bias

Motor Speed

Feedback

+

-

Speed Error

PI

Regulator

Speed Regulator

Output (SRO)

Min

Select

External Torque

Reference (ETR)

Internal Torque

Reference (ITR)

Off

Forced Speed

Mode (FSM)

FSM = On

Low Pass

Filter

OnOff

Speed Error < 0

Speed Error > SLAT Setpoint

for SLAT Time

FSM State Controller

P119 SLAT Error Setpoint

P120 SLAT Dwell Time