Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 423)

Rockwell Automation Publication 750-PM001J-EN-P - October 2014 423
PowerFlex 755 Control Block Diagrams Appendix A
Figure 57 - Torque Control - Torque
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Torque Control –
T
orque
660 699
Min Max
SR
eg Output
Inertia Comp
Out
0
686
Torq
ue
Step
688
No
tc
h Fltr
Atte
n
68
5
Sel
e
cted
Trq Ref
Notc
h II R
687
No
tch Fltr
Fre
q
+
+
Inertia
Adaption
76
Total Inertia
705 706
Inert
ia Ad
ap
t BW
InertiaAdaptGain
+
+
+
+
-
+
Filtered Trq
Re
f
4
Co
mma
nde
d Tr
q
689
Select Logi
c
31
3
Ac
tv
SpTqPs
Mode
935
21
22
23
Drive Status 1
T
orque M
ode
Positi
onMode
Spee
d Mode
Sp
dTrq
Ps
n Mode
A
708
InertiaTrqAdd
Motor Acceleration
Feed
back
0
0 1
Load
Observ
er/
Estimator
76
Total Inertia
71
1
Load Observer
BW
Motor Acceleration
Feed
back
0
0 2
+
Lo
ad
Es
tima
te
707
70
4
InAdp LdObs Mode Disable
d
Disa
bled
In
ertia
Ada
ption
Load
Ob
server
Sp
dTrq
Ps
n Mode
B
Sp
dT
rq
Ps
n Mo
de
C
Sp
dT
rq
Ps
n Mo
de
D
181 182
DI SpTqPs Sel 0 DI SpTqPs Sel
1
31
4
SLAT Err Stpt
31
5
SLAT Dwell
Tim
e
Zero Torque
0 1 2 3 4 5 6 7 8 9 10
Speed
Reg
Tor
q Reg SL
AT
Mi
n
SLAT Max Sum
Pro
filer
Psn P2P
P
sn Cam
ming
Psn PLL
Psn D
irect
309 310 311 31
2
0
1
1
1
1
0
0
0
ABCD Select
From Spd Ref
[7C4]
[10D5]
Fr
om Sp
d Reg [10I3]
From Torq Ref
[22H4]
[6A1], [6D2], [10D5], [11D2], [11I1], [12H5], [1
6H
2]
To Torq Ctrl C
urr
ent
[24a
B2
],
[24b B2], [25D2], [26D2]
[25B
4]
[26C5]
0 1
Logic Ctrl State
(Forced Spd)
0
Min/Max Cntrl (Forced Spd)
1
***INTERNAL CONDITION
O
N
LY***
Mtr Option Cnfg
(Ze
ro Trq
Stop)
(Tr
q Mode
Stop)
(T
rq Mod
eJog)
0
1
2
40
+
FrctnComp Trig
15
61
156
7
Frct
nComp Out
Friction Comp
FrctnComp Mode
Int R
amp R
ef
15
60
700
0
D
isabled
0 1 2
Ext Ramped Ref From
Spd Ref
[7
A
3]
Frctn
C
omp
H
yst
15
62
FrctnComp Time
15
63
FrctnComp Stick
15
64
FrctnComp Slip
15
65
FrctnComp Rated
15
66
64
0
3
Filtered SpdFdbk
PF
755 Rev
_10.a
Pag
e 23
11
Ps
n SpdlO
rnt