PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
D-14
Control Block Diagrams
Field Current Regulator
Σ
+
_
Σ
+
_
T
M
a
x F
iel
d C
u
rr
M
in F
ie
ld C
u
rr
S
pd
=
0
Thr
T
M
C1
D1
O
u
tp
u
t V
ol
t
a
ge
M
in F
ie
ld
C
u
rr
M
a
x F
iel
d
C
u
rr
Field Current Re
g
ulator
Vo
lt
a
g
e Re
g
ulator
P2
33
O
u
tp
u
t V
olt
a
ge
Field C
u
rrent Limit
s
Vo
lt
a
ge Reg P / I B
as
e
Field Reg P / I B
as
e
Field Econom
y
Field Controller
Energy
Sa
ving
Field Reg P / I
I Field C
u
rv
e
P175
R
a
ted Motor
V
olt
P921
O
u
t V
olt
Le
ve
l
P494
Ar
m V
olt
Ki
P49
3
Ar
m V
olt
Kp
P97
Fld Reg Kp B
as
e
P9
8
Fld Reg Ki B
as
e
P469
Field Mode
S
el
P467
M
a
x Fld C
u
rr Pct
P46
8
Min Fld C
u
rr Pct
P91
Fld Reg Kp
P92
Fld Reg Ki
P496
Ar
m
V
olt Ki B
as
e
P495
Ar
m
V
olt Kp B
as
e
P49
8
F
orce Min Field
P499
Fld Econom
y En
P107
S
peed Zero Le
ve
l
P497
Field Reg En
ab
le
P
3
74
Dr
v Fld Brdg C
u
r
P500
Field Ref Pct
P2
3
4
Fld C
u
rrent Pct
P2
8
0
Nom Mtr Fld Amp
s
P919
S
et Fld C
u
rv
e
P920
Re
s
et Fld C
u
rv
e
P916
Fld Con
s
t 40 Pct
P917
Fld Con
s
t 70 Pct
P91
8
Fld Con
s
t 90 Pct
P2
8
0
Nom Mtr Fld Amp
s