Mitsubishi 00JCPU User Manual page 52

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A pointer dedicated to the high-speed interrupt function (I49)
When using I49, do not execute the following:
• Another interrupt pointer (interrupt pointer other than I49)
• Interrupt program
• Fixed scan execution type program
If any of the above pointer or program is executed, the interrupt program of I49 cannot be executed in the preset
interrupt cycles.
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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 9.10.
Note1
Note2.1
Basic
The Basic model QCPU, Q02CPU, Process CPU, and Redundant CPU do not support the use of the pointer dedicated
to the high-speed interrupt function (I49).
2 - 7
I0
I29
High
Process
Redundant
performance
Note2.1 is available as an interrupt
EI
FEND
Interrupt
program (I0)
IRET
Interrupt
program (I29)
IRET
END
pointer.Note1