User Manual

Rockwell Automation Publication 20P-UM001K-EN-P - July 2014 357
Control Block Diagrams Appendix D
Field Current Regulator
Field Current Regulator
P91 Fld Reg Kp
P92 Fld Reg Ki
+
_
P234 Fld Current Pct
P374 Rated Field Curr
P280 Nom Mtr Fld Amps
P916 Fld Const 40 Pct P918 Fld Const 90 Pct P917 Fld Const 70 Pct
P493 Arm Volt Kp
P494 Arm Volt Ki
+
_
P233 Output Voltage
P175 Rated Motor Volt
P921 Out Volt Level
P467 Max Fld Flux Pct
P468 Min Fld Curr Pct
P498 Force Min Field
P499 Field Economy En
P280 Nom Mtr Fld Amps
P469 Field Mode Select
T
Field Flux Limits
P107 Speed Zero Level
Max eld curr
Min eld curr
Spd=0 Thr
P919 Set Fld Curve
P920 Reset Fld Curve
P97 Fld Reg Kp Base
P98 Fld Reg Ki Base
P495 Arm Volt Kp Base P496 Arm Volt Ki Base
Voltage Reg P / I Base
Field Reg P / I Base
Field Controller
Field reg P / I
Voltage regulator
T
M
C1
D1
Output Voltage
Min eld
current
Max eld
current
Energy saving
P500 Flux Ref Pct
Field Economy
Σ
P497 Field Reg Enable
Σ
(8 ms)
P456 Fld Weaken Ratio
Field Weaken
P476 Field Curve Out
P70 Anlg In1 Sel P75 Anlg In2 Sel
P80 Anlg In3 Sel P782 PID Target P1210 W Target
Motor Base Speed / P45 Max Ref Speed x 100
Base Speed
Must be set correctly to
allow entire Field Weaken
range of operation
I eld curve
Field Current Limit
100%
P468 Min Fld Curr Pct