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11
11 Interrupt
11.3 Timing Interrupt
11.3 Timing Interrupt
11.3.1 Overview
Regardless of the calculation cycle of the PLC, the device executes an interrupt program every 1 to 99 ms.
The function can be used to process programs at a high speed when the calculation cycle of the main
program is long, or to execute programs at particular intervals during sequential calculation.
11.3.2 Type
Pointer Number Interrupt Cycle Disable Interrupt
I6□□
Enter integers (1 to 99) in "□□"
For example, I710 means a timing interrupt per 10 ms.
M8056
I7□□ M8057
I8□□ M8058
• Note: When M8056 and M8057 are ON, the corresponding interrupt events are disabled.
• Pointer numbers (I6, I7, and I8) cannot be reused.
11.3.3 Application
●
Performing data addition operation every 10 ms and comparing the result with the preset value
① Establishing a 10 ms timing interrupt subprogram I610
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