Rockwell Automation 20P PowerFlex Digital DC Drive - Manual (Page 323)

Rockwell Automation Publication 20P-UM001I-EN-P - February 2013 323
Control Block Diagrams Appendix D
Speed Feedback
Speed Feedback
P1
69
Enc
oder P
PR
P6
52
Enc
oder E
rr Chk
Motor
A H
Tac
h
+ -
P1022 Encoder Counts
P5
63
Fee
dback
Offset
P56
2
A
nl
g Tach
Gain
P17
5
Ra
ted Mot
or
Volt
P2
33
A
rmature Voltage
DC Ta chomet er
P45
8
SpdReg FB By
pa
ss
Digital En coder
Ar
m
at
ur
e
DC
Tach
Enc
od
er
P1
408
Tac
hometer S
peed
P4
20
Enc
od
er Spe
ed
6 5 1 8 2 7
A+ A- B+ B- Z+ Z- CO
M
+V
4 3
+
S
P414
=
3
Fdbk Device Type P414
=
2
Fdbk Device Type P414
=
1
Fdbk Device Type
(2 ms)
(no filtering)
(no filtering)
(no filtering)
To Speed Regulator Speed Feedback Input
Enabled
% S
pee
d
% A
rma
tur
e Vo
lta
ge
Sp
ee
d F
eed
bac
k
Lo
ss Fau
lt
(F
91
)
5%
Sp
ee
d F
eed
ba
ck
Lo
ss A
larm
P162 Max
Fee
db
ack
Spd
P12
1
Spd Feedback Pct
P1
75
Rated Motor Volt P45
5
Spd FB Loss Lvl
P47
8
Spd Loss Flt Cfg
P1
021
Encoder Out Sel
Reso
lver
(2
to 16
m
s
mo
vin
g
ave
rag
e)
Resol ver
7 8 5 6 1 2
Re
fH
Shl
d
Re
fL
Sin
H
Shl
d
Sin
L
Co
sH
Co
sL
3 4
R
esolver
Configuration
Re
f
Si
n
C o
s
-
-
-
+
+
+
Ta
ch
fo
llow
er
Ta
ch
fo
llow
er
P430 Resolver Spd Sel
P423 Reslvr Type Sel P424 Reslvr Spd Ratio P425 Resolver Config
P414
=
4
Fdbk Device Type
P4
28
Resolver Spe
ed
Encoder
Configuration
P427 Reslvr Position