Torque control – c urrent – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual
Page 401
Rockwell Automation Publication 750-RM002B-EN-P - September 2013
401
Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives
Chapter 6
Torque Control - Current, Induction Motor and Surface Permanent Magnet Motor
1
2
3
4
5
6
B
A
D
C
F
E
H
G
I
Torque Control –
C
urrent
Induction Motor (IM) & Surface
Permanent Magnet Motor (SPM)
PF
755 Rev
_9.a
Page
24a
Power
Unit
Thermal
Protection
Calc
Is
,I
d
Iq
Pos Torque
Limi
t
{Trq
Neg Lm
t}
Neg Torque Limit
{Trq
Pos Lm
t}
Reg
e
n
Power
Lmt
{Re
gen Pwr
Lmt}
Bu
s
Regulator
Ca
lc
Pw
r
Te
Active Vel
Fdbk
Activ
e Pos
Torqu
e Limit
Active
Neg
T
orque L
imit
Lim
it
Ma
x
Min
Filter
ed Trq
Re
f
Limited Trq
Ref
Motor Ctrl Mode
Flux C
u
rrent
Fdbk
C
alc
Iq,Id
Is
Act
ive Cur Lm
t
Li
mit
Calc
Te
Iq
Rate
Lim
Mot
o
r Power
Lm
t
{Mtrng
PwrLm
t}
Torque Current Ref
Current Rate Lmt
Min
Pk To
rque Iq
Curren
t Limit
Voltag
e Ref/
Limit
Gene
ration
Curr
ent Lmt 1
Current Lmt Sel
Cur
rent Lmt
2
Ac
tive Iq
Current
Limit
T
herma
l Mgr C
urrent
Limit
42
4
42
1
422
423
425
690
68
9
+
+
35
13
1
42
6
427
671
670
Neg
L
imit
Pos
Limit
VF
o
r S
V
(0-2,4,
5,7,8)
Flux V
ector
(3,6
)
94
5
21
At Limit Status
22
Trq
Pos Lm
t
T
rq Neg
Lmt
945
17
At
Limit
St
at
us
18
TrqC
urPosLm
t
TrqCu
rNegLm
t
Flux Vector
Par
ameter
Se
lection
From Fdbk
[3
F2
]
[3
6D
2]
From Torq
Ctrl
[23H2]
[3C6
], [2
5E2],
[26E2]
1
Fl
ux
1
Fl
ux
-1
Flux
-1
Flux
23
24
Mtrng P
wrLm
t
R
egen Pw
rLmt
25
26
Cur Lmt
FV
Therm
RegL
mt
27
28
Bus
VltgFVL
mt
Mtr
Vltg Lk
g
Fl
u
x
{BusVltg
FVLmt
}
{Mt
r Vltg L
kg}
{Cur
Lmt F
V}
{T
herm R
egLmt
}
493 –
T
orque Reference -
F
iltered
505 –
T
orque Limit -
Negative
504 –
T
orque Limit -
P
ositive
454 –
V
elocity
Feedback
625 –
R
egen Power Limit
800
494 –
T
orque Reference -
Limited
530 –
Id Current Feedback
1315 –
Motor Type
1320 –
M
otor Rated Peak Current
533 –
C
urrent Vector Limit
520 –
Iq Current Command