Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 385)

Rockwell Automation Publication 750-RM002B-EN-P - September 2013 385
Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives Chapter 6
Speed Control Reference (Sheet 5)
Bus/Current
Limiter
(Freq Ramp)
Velocity Regulator
Final Speed
Ref
Limit
Max
Fwd/
Rev
Spe
ed Lim
it
Spee
d Fdbk
w
ith Sen
sor
X
VF or
SV
(0-
2,4,5,7,8
)
35
Motor Cntl Mode
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
597
Torque Ref
Limit
Torque Control
Output
Fr
equ
e
ncy
Motor Co
ntrol Object
Limi
ted
Spe
ed Adder
Limit
(M
ax Fwd
/Rev +
O
verspee
d Lim
it)
Sp
eed Li
mit Pr
evio
us
Ra
mp
ed Spd
Ref [8I2]
Ramp Rat
e
[8I1]
Ramp In
put
[8E2]
X
Interrupt Time
Scaling
Ram
p Rat
e
(M
otor Ctr
l
Int
errupt)
(Hz /
Sec)
Reverse
Prevention
Limi
ted
Freq A
dder
(Hz
)
Selec
ted
Freq Ref
(Hz
)
(M
ax
Fwd/
Rev
+
Overspeed Limit)
Freq Limi
t
Freq Li
mit Hi
gh (Hz
)
Freq L
imit Lo
w (Hz)
Limit
Mo
to
r
Freq (H
z)
Motor Freq
T
o
R
a
m
p
In
te
gra
to
r
[8
G1]
Torque
Reference
Slip RPM at FLA
X X
Spe
ed to F
req
Sca
ling
62
0
Droop RPM at FLA
[NP
Spd]
*Po
les
120
Hz
RPM
1
[NP F
req]
1
Iq
Fe
edb
a
ck (pu
)
X
62
1
[NP Sp
d]
*Poles
120
Hz
RP
M
1
[NP
Freq] 1
Filtered (100 R/S) Iq
Fe
edb
a
ck (pu
)
PI
Limit
[N
P Spd]
*Po
les
12
0
Hz
RPM
1
[NP F
req]
1
VF, SV Speed Regulator
Slip RPM at
FLA
62
1
Ramped Spd Ref
594
1
Sp
eed to F
req Sc
aling
Spd Ref After
Final Limit
[7I5] OR [8H4]
Flux V
ector
(3,
6)
Final Speed Ref
597
1
LPF 622
Freq I
ntegral
(H
z)
Sli
p
Comp BW
Active Vel Fdbk
131
66
3
66
4
VHzSV Spd Re
g Kp
94
5
2
At
Limit
Stat
us
(MaxSp
eed
L
m
t)
94
5
3
At Li
mit Status
62
3
VHzSV
Sp
dTrimRe
g
Speed Control –
R
eference (5)
V
H
zSV Spd Reg Ki
X
1.5
[NP Fr
eq]
[NP
Spd]*P
oles 12
0
Hz
RPM
(O
verSpd
Lmt)
Speed Sensor Type
O
pen Loop
Sp
eed Fdb
k 1 0
From Fd
bk
[3
F2]
To Spd Reg [10A3]
To Fdbk [3B5]
[8
G2]
[3D5], [27E4], [27H3]
***INTERNAL CONDITION ONLY***
Limit
OR
PF
755 Rev
_9.a
Pa
ge 9
41 Control Method
453 Velocity Reference
453 Vel
oci
ty Reference
4
6
4 -
K
dr
454 –
V
elocity Feedback
1352 –
Induction Motor
Rated Slip Speed
600 –
O
utput Frequency
1352 –
Induction Motor
Rated Sl
ip Speed