Mitsubishi Electric Melsec Q Series Programming Manual page 549

APPENDICES
5) Motion control is executed using the data acquired from the vision system.
6) Reset the status storage device using the MVFIN instruction to issue the next
trigger.
7) If the job is not changed, repeat steps 3) to 6).
8) If necessary, log off the control target vision system using the MVCLOSE
instruction.
POINT
(1) If a different vision system dedicated function is executed for a vision system
that is processing a vision system dedicated function, a vision command
invalid start (error code: 18018) will occur.
Apply the interlock conditions with the vision system's status storage device
value to prevent double startup.
(2) Depending on the status of the vision system and details of the job process, it
may take some time to process the vision system dedicated function.
Set the timeout time according to the state.
(3) When logged onto the vision system, the vision system or Multiple CPU
system's power supply can be turned OFF without logging off using the
MVCLOSE instruction.
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