Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 422)

422 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 755 Control Block Diagrams
Figure 56 - Torque Control - Reference Scale & Trim
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Torque Control –
R
eference Scale & Trim
x
679
Trq Ref A Mul
t
+
( A
n
alog
In 1 )
675
Trq Ref A Sel
( An
alog In
2 )
From DIO Option Card
( D
isabled
)
Trq Ref A Stpt
( Se
tpoin
t )
676
x
684
Tr
q Re
f B
Mult
3,
4
Other
0
1093
1079
PID Output Sel
PID Output Meter (PID Torque Trim)
Other
0
3
Other
0
3
3 = Tor
que Exc
l
4 = Torq
ue Trim
0.0
From DIO Option Card
Trq Ref B Stpt
4
Command
ed
Trq
D
efault
*
No
te
: Analo
g Hi, L
o
sca
lin
g only use
d whe
n
Analog Input is selected
677
Trq RefA AnlgHi
678
Trq RefA AnlgLo
*
Param
eter
Selec
tion
To Torq Ctrl, Process Ctrl [23B4], [27A4]
[2
7E
5]
1
195
DI Torque StptA
Bit
So
urce
Par
ameter
Se
lection
Default
( An
alog In
1 )
68
0
Trq Ref B
S
e
l
( An
alog In
2 )
From DIO
O
ption Card
( Disab
led )
0.0
From DIO Option Card
682
Trq RefB AnlgHi
683
Trq RefB AnlgLo
*
( S
etpoin
t )
681
0
D
efault Param
eter
Sele
ction
PF
755 Rev
_10.a
Pag
e 22