Rockwell Automation 20P PowerFlex Digital DC Drive - Manual (Page 327)

Rockwell Automation Publication 20P-UM001I-EN-P - February 2013 327
Control Block Diagrams Appendix D
Field Current Regulator
Field Current Regulator
P9
1
Fld Re
g
Kp
P9
2
Fld Re
g
Ki
+ _
P2
34
Fld Curre
nt P
ct
P3
74
Rated F
ield
Curr
P2
80
Nom Mtr Fld A
mps
P9
16
Fld Const 4
0 P
ct
P9
18
Fld Const 9
0 P
ct
P9
17
Fld Const 7
0 P
ct
P4
93
A
rm V
olt
K
p
P4
94
A
rm V
olt
K
i
+ _
P2
33
Output Voltage
P1
75
Rated M
otor
Volt
P9
21
Out Vol
t L
ev
el
P467 Max
Fld Curr P
ct
P4
68
Min Fld Curr
Pct
P4
98
Force
Min Fie
ld
P4
99
Fie
ld Ec
ono
m
y En
P28
0
N
om M
tr
Fl
d A
m
ps
P4
69
Fie
ld Mo
de
Se
lec
t
T
Field C
urren
t Li
mit
s
P1
07
Spe
ed Ze
ro Lev
el
M
ax fi
eld
curr
M in fiel
d cu
rr
Sp
d=0 Thr
P9
19
Se
t Fld Curv
e
P9
20
Res
et Fld Curv
e
P97 Fld Reg Kp Bas
e
P98 Fld Reg Ki Ba
se
P49
5
A
rm
Volt Kp Bas
e
P49
6
A
rm
Volt Ki Bas
e
Voltage
Reg P
/ I
B
ase
Fie
ld Reg P
/ I
Base
Fie
ld Controlle
r
Fie
ld re
g
P /
I
I fie
ld curv
e
Vol
ta
ge re
gulator
T
M
C1 D1
Ou
tp
ut V
ol tag
e
M in field current M
ax field current
Ener
g
y sa
ving
P5
00
Flux Ref Pct
Fie
ld Ec
ono
m
y
Σ
P49
7
Fi
el
d R
eg
Enable
Σ
(8 ms)
P456 Fld Weaken Ratio
Field Weaken
P4
76
Field Curve Out
P7
0
A
nlg In1
Sel
P7
5
A
nlg In2
Sel
P8
0
A
nlg In3
Sel
P7
82
PID Target P1
210
W Target
Motor Base Speed / P45 Max Ref Speed x 100
Base Speed
Must be set correctly to allow entire Field
Weaken range of operation