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CHAPTER 6 COMMUNICATIONS AMONG CPU MODULES
6
6.4 Multiple CPU Synchronous Interrupt
(3) Applicable CPU modules
The multiple CPU synchronous interrupt function can be executed when any of the following CPU modules is
used.
• Universal model QCPU (except the Q00UCPU, Q01UCPU, and Q02UCPU)
• Motion CPU (Q172DCPU(-S1), Q173DCPU(-S1), Q172DSCPU, or Q173DSCPU)
• C Controller module (Q12DCCPU-V or Q24DHCCPU-V)
If a multiple CPU synchronous interrupt is requested during the execution of another interrupt program, the CPU
module stops the running program and execute the multiple CPU synchronous interrupt program.
(4) Operation when an interrupt factor occurs and restrictions on programming
For the operation when an interrupt factor occurs and the restrictions on programming, refer to the following.
User's Manual (Function Explanation, Program Fundamentals) for the CPU module used
Program
Interrupt request
from In
In
Interrupt request
from I45
I45 IRET
IRET
END 0
Interrupt program
Multiple CPU synchronous
interrupt program