Mitsubishi Electric MELSEC Q Series User Manual page 200

When a multiple CPU synchronous interrupt factor occurs during the execution of another interrupt program, the
running program is aborted to execute the multiple CPU synchronous interrupt program.
Sequence program
Interrrupt program
Multiple CPU synchronous
interrupt program
Figure 4.50 Processing of multiple CPU synchronous interrupt program during interrupt program execution
(3) Operation when the interrupt factor occurs
For operation when the interrupt factor occurs, refer to the following manual.
User's Manual (Function Explanation, Program Fundamentals) for the CPU module used
(4) Restrictions on creating the program
For the restrictions on creating the program, refer to the following manual.
User's Manual (Function Explanation, Program Fundamentals) for the CPU module used
CHAPTER4 COMMUNICATIONS BETWEEN CPU MODULES
Interrupt request
from I45
Interrupt request
from In
In
I45
END
IRET
IRET
0
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