Rockwell Automation 20P PowerFlex Digital DC Drive - Manual (Page 326)

326 Rockwell Automation Publication 20P-UM001I-EN-P - February 2013
Appendix D Control Block Diagrams
Current Regulator
To
rq
ue
Σ
+
-
T
T
Current Regula
tor
Curr
en
t Limits
Torque Limit Mtr Gen
To
rque Limit P
os Neg
Fr
om T
or
que
Mode
Selec
tion Block D
iagr
am
Tor
que Reduc
tion
Command
Predic
tiv
e Regula
tor Includes
Anti-W
indup L
ogic
Predic
tiv
e Regula
tor
Modula
tor
DC
Mot
or
Feedback (O
ption)
Go t
o Mot
or
Par
amet
ers
P41 Curr
en
t Reg In
P7 Curr
en
t Limit
P8 Curr
en
t Lim P
os
P10 Cur Lim P
os O
ut
P11 Cur Lim Neg O
ut
P9 Curr
en
t Lim Neg
To
rq
ue
Reduc
tion
P13 Tor
q Red C
urLim
P342 Tor
que Reduc
tion
P715 Tor
q Limit
Type
Rev Brdg Cur Lim Fwd Brdg Cur Lim
Speed
-1% of
Max Feedback Spd
Rev Brdg Cur Lim Fwd Brdg Cur Lim
+1% of
Max Feedback Spd
To
rq
ue
Speed
Fwd Brdg Cur Lim
Fwd Brdg Cur Lim
Rev Brdg Cur Lim
Rev Brdg Cur Lim
P453 Arm Resistanc
e
P454
P199 Ar
m Current Pct
P233 O
utput V
oltage
Arm Induc
tanc
e
P200 Ar
m Current
(3.3 ms @ 50Hz, 2.7 ms @ 60 Hz)
Note that P453 and P454 are gains f
or the current regulator
and ma
y not match the ph
ysical char
acter
istics of the motor
.
T Lim MtrGen
T Lim P
osNeg
P7
0
A
nlg In1
Sel
P7
5
A
nlg In2
Sel
P8
0
A
nlg In3
Sel
P1
323
DPI P1
Sele
ct
P1
324
DPI P2
Sele
ct
P1
325
DPI P3
Sele
ct
P1
326
DPI P4
Sele
ct
P1
327
DPI P5
Sele
ct
P7
82
PID Target P1
210
W Target
P7
82
PID Target P1
210
W Target
P12 Curr
en
t R
at
e Lim
di dt