Mitsubishi Electric melsec q03ud(E)cpu - Page 46

CHAPTER2 SEQUENCE PROGRAMS
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2.2 Sequence Program Configuration 2.2.3 Interrupt program
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Only one interrupt program can be created with one interrupt pointer number.
Remark
For details of the interrupt factors and interrupt pointers, refer to Section 9.11.
(2) Programming of interrupt programs
(a) Programming location
Create interrupt programs between the FEND and END instructions in the main routine program.
Interrupt programs can be managed as one separate program (stand-by type program). ( Section 2.3.3)
Figure 2.9 Programming location of interrupt programs
FEND
EI
IRET
IRET
END
I0
I29
Interrupt
program (I29)
Interrupt
program (I0)
Program A
I0
FEN
IRET
IRET
IRET
Y11
Y10
Y12
I32
I28
Interrupt
program
Interrupt pointer
Main routine
program
END