Mitsubishi Electric MELSEC-Q Series - Page 286

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(3) Devices used in the program example
(a) Special relay (SM)
(b) Devices used by the user
(4) Program example
The following shows a program example of interrupt request.
The following program is written to station No. 2.
Device Description Device Description
SM400 Always ON —
Device Description Device Description
I51
Interrupt pointer when Data link status of own
station (SB0049) is ON.
—
Interrupt enabled.
End of main routine
program
End of interrupt
program
Main routine program
Interrupt program