Speed / position feedback, Speed/posit fdbk – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual
Page 379
Rockwell Automation Publication 750-RM002B-EN-P - September 2013
379
Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives
Chapter 6
Speed / Position Feedback
1
2
3
4
5
6
B
A
D
C
F
E
H
G
I
Speed/Posit Fdbk
125
128
Primary
Velocity Fdbk
Processin
g
Alternate
Velocity Fdbk
Processin
g
M
otor Sim
ulator
V
irtual E
ncoder
Open
Loop
Virtual Encoder
Au
x Veloc
ity
Fdbk
Proc
ess
ing
Primary
Velocity Fdbk
Processin
g
Alternate
Velocity Fdbk
Processin
g
709
De
rivat
ive
d
dt
De
rivat
ive
d
dt
0
1
Motor Accerlation
Fdbk
To Inerti
a
Adaption, Load
O
b
se
rver/Estima
to
r
[25
G4], [26G
4]
12
7
130
Pri Vel Feedback
Alt Vel
Feedback
Pri Vel Fdbk Sel
Alt Vel
Fdbk Sel
0
1
IA LdO
bs Delay
847
Psn Fdbk
Spd Options Cntl
(Auto Tach SW
)
Fdbk L
oss
De
te
c
t
936
5
63
5
7
Driv
e St
at
us
2
(FdbkLoss SwO)
Display
Filtering
3
Mt
r Vel Fdbk
13
1
Active Vel Fdbk
To Spd Reg
[9
B4
], [1
0A3], [24a
B3], [24
b
B3
]
To Posit
Ref,
Posit Reg
[11C5]
, [12A
4]
, [
1
2A5]
13
5
Psn Fdbk Sel
132
Aux Vel Fdbk Sel
126
Pri Vel F
d
bkFltr
129
Alt
Ve
l Fdb
k
Flt
r
59
7
Final Speed
Ref
76
Total Inertia
141
Virtua
l Enc EPR
69
0
Limite
d Tr
q Ref
1
Output Frequency
5
Torque Cur Fdbk
13
7
Op
en Lo
op Fdb
k
621
Slip RPM at
FLA
141
Vi
rtual E
n
c EP
R
138
Simula
to
r Fd
bk
13
4
Au
x Vel Feedb
ack
133
Aux Vel FdbkFltr
Pri Vel
Fdbk
Source
Alt
Ve
l
Fdbk
Source
Psn Fdbk
Source
Aux Vel
Fdbk
Sour
ce
Param
eter
Select
ion
Param
eter
Select
ion
P
arame
ter
Selectio
n
P
arame
ter
Selectio
n
From Spd Ref
[9D3]
From Torq
Ctrl
Current
[24a E2], [24b
E2]
[9
I4
]
To Spd Ref
[5A3]
[25H2], [26H2]
VF or
SV &
O
pen Loop
Control Mode/
Fe
ed
back Mode
***INTERNAL CONDIT
ION ONLY***
PF
755 Rev
_9.a
Pa
ge 3
2
403
–
F
e
edb
ack
n
Vel
o
city Filter Taps
467 –
V
elocity Integrator
Contro
l
454 –
V
elo
c
ity Feedback
45
3 –
V
e
locity Refe
ren
c
e
49
6 -
K
j
135
2
–
In
d
uctio
n
Mo
to
r
Rated Slip
Speed
6
00 –
O
utpu
t
Frequency
52
9 –
Iq Current
Feedback
494 –
Torque Reference -
L
imited
434 –
P
osition Feedback