Rockwell Automation Allen-Bradley PowerFlex 700S - Page 179

Rockwell Automation Publication 20D-PM001D-EN-P - March 2019 179
Control Block Diagrams Appendix C
torque_control_current.eps
Control Options
(Trq Trim En)
Calculated by Autotune
(may be overwritten )
*
Min
IT-openloop
Calc
Is
Iq
352
356
Max = inverter
3 sec rating
from Motor Control
Mtr Current Lim
MotorFluxCurr FB
Is Actual Lim
Iq Actual Lim
312 488Flux Current*
Min
360
LPass
Filter
361
309
Min Flux
% Motor Flux
Flx LpassFilt BW
350
351
1
0
157 11
Limit
353
Rate Lim
Iq
Delay
Option
355
305
354
Iq Actual Ref
Logic Ctrl State
(CurrRef En )
Iq Ref Trim
Iq Rate Limit
Control Options
(Iq Delay)
Mtr Trq Curr Ref
Torque Control - Current
(Task 1)
to Motor Control
344
OL ClsLp CurrLim
2
X
308
Motor NP FLA
343
OL OpnLp CurrLim
304
Limit Status
313 345
Drive OL JnctTemp
Heatsink Temp
Output Current
153 13
Control Options
(OL ClsLpDsbl)
1 2 3 4 5 6
BA
D
C
FE HG
I
pu Stator Current Fdbk
Drive OL Status
346
IT-closedloop
153 11
Iq Ref Limited
1
Flux
303
Motor Torque Ref
Limit
1.0
1
0
153 26
Control Options
(Trq Trim En)
+
+
359
Motor Flux Est
124 123Torque PosLim Actl
Torque NegLim Actl
1.02 Flux 1.02 Flux
to 7F5
+
-
303
Torque Est
PI Reg
kp+
ki
s
0
1
153 26
+
+
Calc Flux
0.0
0.0
Motor Torque Ref
from 7H3
TestPoints
P357 Curr Ref TP Sel
P358 Curr Ref TP Data