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COM
(6) If the scan time from the linked station is longer than the sequence program scan time at the
host station, designating the COM instruction at the host station will not increase the speed
of data communications.
The programs in which the COM instruction cannot be used are shown below:
• Low-speed execution type programs
• Interrupt programs
• Fixed scan execution type programs
Operation Error
(1) There are no operation errors associated with the COM instruction.
Sequence program
0
END
COM
Link scan
0
COM
END
0
COM COM
0
END
END