Position control – h oming, Figure 14 - position control - homing – Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual
Page 378
378
Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A
PowerFlex 753 Control Block Diagrams
Figure 14 - Position Control - Homing
Homing Stat
us
0
1
2
3
Hom
e Reque
st
Hom
e Enable
d
Hom
ing
At H
ome
731
Homing Control
0
1
2
3
4
5
6
Find H
ome
Home DI
Home Marke
r
Return
Home
Psn Re
define
Homin
g Alarm
Home DI
Inv
Speed
Position
73
5
Find Home Sp
eed
736
Find Home
Ram
p
737
Actual Home
Psn
73
8
User Home Psn
78
4
PTP
Command
Position Control –
H
oming
1
2
3
4
5
6
B
A
D
C
F
E
H
G
I
Spd Re
f
To S
p
d Ref
[6
G3]
[1
1E
3]
7
Hold A
t Home
732
D
I Find Home
733
D
I Redefine
Psn
734
D
I OL Home Limi
t
96
0
8
Alarm
Status B
H
oming Actv
9
N
ot Hom
e Set
73
0
+
-
+-
847
13
5
Psn Fdbk Se
l
Psn Fdbk
Source
Param
eter
Selec
tion
72
5
Zero Position
To Psn
Regulator
[12B3]
83
6
Psn
Actual
Psn Fdbk
1. Wh
en Homin
g fu
nc
tio
n is ena
bled
,
Psn Actual
[P836] is loaded with
Psn Fdbk [P847]
.
2. When Ho
ming fu
nctio
n is comple
te
,
Ze
ro Pos
ition
[P725]
is loaded w
ith
Ac
tu
al Home
Positio
n
[P73
7] -
Us
er
Home Position
[P738]
.
Th
en
Psn Actual
[P83
6] is loaded with
Psn Fdbk
[P84
7] -
Zero Position
[P725].
3. Wh
en Position
Redefine is enabled,
Ac
tu
al Home
Positio
n
[P73
7] is loaded
with
Psn Fdbk [P847] .
PF
753 Rev
_10.a
Pag
e 14