Iai-america PCON-CF Manual de usuario Pagina 218

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* Appendix
Appendix
Example of Basic PCON Positioning Sequence
Given below is an example of basic sequence for creating a positioning sequence using the PCON.
indicates PIO signals of the controller.
Timer1
PEND
PM1 PM2
PM4 PM8
Timer1
PEND SV
HOME
A
B
C
D
E
F
H
I
J
K
L
PM1 PM2
PM4 PM8
Timer1
PM1 PM2 PM4 PM8
Timer1
PM1 PM2 PM4 PM8
Timer1
PM1 PM2 PM4 PM8
Timer1
HOME
HOME PEND
PEND
HEND
H
H
E
K
J
L
K
K
A
(O)
L
(PLC scan time or
more, or 100 Psec
or more)
Completed position codes
Waiting for the completed
position to be read
Completed position 1
Completed position 2
Completed position 3
Completed position 4
Completed position 5
Create for the number of positions.
Home return request
(push button)
(
Home return o
p
eration
)
Home return command
Home return
complete pulse
Positioning
start request
to position 1
Positioning
start request
to position 1
Positioning start
pulse to position 1
A
uxiliary positioning
start pulse to position 1
The positioning start request signal is converted to pulse in such a
way that one start signal is issued for one positioning operation.
A
uxiliary positioning
start for position 1
Start check for
position 1
A
uxiliary start
signal for next
positioning
Check if positioning to the specified position has completed.
Completion of
positioning to position 1
Current positioning
completed position
(Completed-position decoding circuit)
Position complete
Ready
(Positioning circuit for position 1)
Home return com
p
letion
F
I
I
J
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