
Control Block Diagrams
B-9
PowerFlex 700S Phase II AC Drive User Manual -
Publication 20D-UM006G-EN-P – July 2008
tor
qu
e_control_c
u
rrent.ep
s
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
488
Flux 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
B
A
D
C
F
E
H
G
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
123
Torque PosLim Actl
Torque NegLim Actl
1.
02
Flux
1.
02
Flux
to 7
F
5
+
-
303
Torque Est
PI Reg
kp
+
ki
s
0
1
153
26
+
+
Calc Flux
0.
0
0.
0
Motor Torque Ref
from 7
H
3
TestPoints
P
357
Curr Ref TP Sel
P
358
Curr Ref TP Data