Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 425)

Rockwell Automation Publication 750-PM001J-EN-P - October 2014 425
PowerFlex 755 Control Block Diagrams Appendix A
Figure 59 - Torque Control - Current (IPM)
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Power
Un
it
Thermal Protection
Pos Torque Limit
{Trq N
eg Lmt
}
Neg Torque Limit
{Trq P
os Lmt}
Regen Power Lmt
{Regen
PwrLm
t}
Bus
Re
gula
to
r
Calc Pwr
Te
Active Vel Fdbk
A
ctive P
os
T
orque Limit
A
ctive N
eg
Tor
que Lim
it
Limit
Max Mi
n
Filtered Trq
Ref
Lim
ited Trq Re
f
Active Cur Lmt
Limit
Motor Power Lmt
{M
trng P
w
rLmt
}
V
oltage R
ef/
Li
mit
Generat
ion
Cur
rent Lmt 1
Current Lmt Sel
Current Lmt 2
Th
ermal M
gr Cu
rrent Li
mit
424
421 42
2
42
3
690
689
+
+
131 426 42
7
67
1
67
0
945
21
At Limit Status
22
Trq P
os Lmt
Trq
Neg Lm
t
94
5
17
At Limit Status
18
Tr
qCurPo
sLmt
Tr
qCurN
egLmt
Flux Vector
Param
eter
Selec
tion
Fr
om Fdbk
[3
F2]
[36D2]
From Torq
Ctrl
[23H2]
[3C6], [25E2],
[2
6E
2]
-1
23 24
M
trng Pw
rLmt
Reg
en Pwr
Lmt
25 26
Cur Lm
t FV
T
herm RegLm
t
27 28
BusVlt
gFVLm
t
Mtr V
ltg Lkg
{Bu
sVltgFV
Lmt}
{Mtr V
ltg Lkg
}
{Cur Lm
t FV}
{The
rm Re
gLmt}
PF
755 Rev
_10.a
Page
24b
Iq
Current
Re
f
Id
Cu
rrent Re
f
Te
Id
Calc
Vo
lta
ge
Limit
Te
Iq
Calc
Id
Ra
te Lim
Current Rate Lmt
425
Lim
it
Calc
Is
,Id
Iq
Torque Control –
C
urrent
Interior Permanent M
agnet motor (IPM)