Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 406)

406 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 755 Control Block Diagrams
Figure 40 - Speed Control - Reference (3)
Limit
520
Max Fwd Spee
d
Ma
x Re
v Spee
d
521
Max Speed
Li
mit
Spd Ref After Final Li
mit
[9A2]
S Curve Accel, Decel
Accel Time 1 Accel
Time 2
539
Ramp S Curve
Spd Opt
ions Ct
rl
(R
am
p Ho
ld
)
635
1
Sp
d Options Ctrl
541
Jog Acc Dec Time
76
Inertia Dec Gain
Inertia Acc G
ain
696
Total Inertia
69
7
69
9
Iner
tia Comp Out
Inertia Co
mp
Inertia CompMode
Int R
amp R
ef
695
70
0
Speed Comp
G
ain
666
667
Speed Comp Out
Sp
ee
d
Comp
Speed Comp Sel
R
amped Ref
Rate R
ef
0
665
596
Sp
eed
R
ate
Re
f
13
9
Virtual
Encode
r
14
0
14
2
Dela
ye
d Sp
d Ref
Virtual Enc Psn
Virtual En
cDelay
On
e
Scan Delay
One Scan Delay
PsnReg Spd Out
Position Reg Output
594
Ramped S
p
d Ref
1
0
PID
Out
put S
el
(Speed Trim)
0
107
9
Drive Status 1
(Jogging)
0
From
Process Ctrl
[28E3]
109
3
PID Output Meter
From Posit Reg
[1
2I
5]
84
3
X
555
0 1
Drive Status 1
(Jogging)
935
17
93
5
17
0
Spd Re
f Sca
le
Final Speed Ref
Limits
Speed Comp
Inertia Comp
PI Speed Trim
Virtual Encoder
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Vector Ramp and Rate Select
141
Virtual Enc EPR
(E
dg
es
Pe
r R
ev
)
58
8
58
9
SpdRef FltrGain Spd Ref Fltr BW
L
ead
L
ag
(kn * s)
+ wn
s +
wn
59
0
Sp
d Ref Filter
Speed Ref Filter
LPF 69
8
Iner
t Co
mp
LPFBW
1,0
535 536
0,1
87
9
8
Dr
ive Lo
gic
Rslt
(Accel Time 1, 2)
d dt
d dt
59
6
0
d dt
1 0
Sp
d Option
s Ctrl
(Delayed Ref)
9
Decel Time 1 Decel Time 2
1,0
537 538
0,1
879
10
Drive Logic Rslt (Decel Time 1, 2)
11
540
Speed Control
59
5
Filt
ered Spd Ref
0 1 2
D
isabled
0 1 2 3
2
≠2
945
2
At Limit
Status
(MaxSpee
d Lmt)
Speed Control –
R
eference (3)
Flux Vector
63
5
0
(Ram
p Disa
ble)
63
5
2
(StpN
oSCrv
Acc)
Not U
sed
Ext Ramped Ref Speed Rate Ref
[35H3] [35H3]
[2
8C
2]
[11C5] [11C5]
Torq FF
To Torq
Ctrl
[23B3]
Int Ramp Ref To Torq
Ctrl
(Friction Comp) [2
3A
1]
Sk
ip
Ban
ds
526 527
Skip Speed 1
528 529
Sk
ip Sp
eed
Band
Skip Speed
2
Skip Speed
3
1 0
Drive Status 1
(Jogg
ing)
0
93
5
18
1
0 Drive Status 1
(Stopping) 1 0
0
Limited Spd
Ref 593 [6H4]
935
17
Skip
Bands
Start/Stop
2
Commanded
SpdRef
Stopping
or Not
Act
ive
Not Sto
pping
and Ac
tive
OR
D
riv
e St
at
us
1
(Running
)
Dri
ve St
at
us
2
(A
ut
ot
un
in
g)
93
5
16
93
6
9
Traverse/
P-Jump
Sync Speed Cha
nge Fiber Application
11
20
Fiber Control
112
1
Fi
be
r St
at
us
1122
Sync Time
11
26
P Jump
11
25
Max Trav
erse
11
23
Trav
erse Inc
11
24
Traverse Dec
PF
755 Rev
_10.a
Pa
ge 7
Spd FF From Psn Ref [1
1I
5]
x
848
Psn Gear Ratio
935
17
Drive Status 1
(Jogg
ing)
0 1
0
635
8