A.15 Learn Weld Cycle Process Control Flow Chart
SET “PART” O:1/1
“NEW PART”
LOW
DELAY 80 MSEC
START WELD EVENT
CLEAR “PART” O:1/1 &
“LEARN” O:1/0
LEARN COMPLETE
GROUP A
COMPLETE
START
WELD
COMPLETE
PART
COMPLETE
RESET “PART” O:1/1
DELAY 80 MSEC
“FAIL”
Low
END
SET “Learn” O:1/0
SET “GROUP” O:1/2
RESET “GROUP” O:1/2
CLEAR “LEARN” O:1/0
HANDLE
“LEARN”
MODE
FAULT
“LEARN MODE FAULT”
LEAR
1.
2.
Set the sen
3.
Delay
4.
level ind
the sensor “
input B
error.
5.
6.
Wait for w
7.
Delay
we
8.
part testing
to sign
9.
Test for la
we
O:1/1.
10.
sensor
11. Delay
12.
indicates an
part.
13.
output
input
mode.
Note: The actua
Micro ADM
integration to
N MODE OPERATIONAL SEQUENCE
:
Set the “Learn” input O:1/0.
Warning:
When “Learn input is set the
Micro ADM will clear all previous limits.
sor “
PART
” input Bit
O:1/1
.
80 msec for sensor I/O debounce time.
Test the sensor
“NEW PART”
output
I:1/0
for low
icating new part active. If High then clear
PART
” input Bit
O:1/1
and
“Learn”
it
O:1/0.
Then handle sensor “Off-Line”
Start fixture weld cycle.
eld cycle complete.
for 150 msec to allow sensor validation of
ld arc off.
If the application requires Group A and Group B
. Then test for end of Group A welds.
If True then set the sensor
“Group”
input
O:1/2
ify the end of Group A welds and the start
of Group B welds.
st weld on part. If this is not the last
ld continue steps 1 – 9 until all welds are
completed before clearing the sensor Part input
Note: The learn mode requires ten (10)
parts to establish the process limits
.
Reset the sensor
“Part”
input
O:1/1
and the
“Group”
input
O:1/2
.
for 80 msec for sensor I/O debounce time.
Test the sensor Part
“Fail”
output
I:1/2.
If set
handle Learn Fault error condition. This fault
invalid weld count during the last
Repeat Steps 2-13 until the sensor
“New Part”
I:1/0
is not cleared when the sensor
“Part”
O:1/1
is set. This indicates end of learn
l Input/Output bits assigned to the
sensor will depend on actual system
PLC controller.
37
Summary of Contents for Micro ADM
Page 2: ......
Page 35: ...A 8 NetHub Mounting Dimensions 31...
Page 42: ...Appendix B Micro ADM Assembly Parts List B 1 Micro ADM Sensor Assembly P N A3A0226 Rev 0 38...
Page 43: ...39...
Page 45: ...B 2 Micro ADM Sensor Assembly P N A3A0226 Rev A 41...
Page 46: ...42...
Page 48: ...B 3 Micro ADM Sensor Assembly P N A3A0226 Rev B 44...
Page 49: ...45...
Page 51: ...B 4 Micro ADM Sensor Assembly P N A3A0226 Rev C 47...
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