Rockwell Automation Allen-Bradley PowerFlex 700S - Page 167

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