Omron C200H Operation Manual page 205

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Subroutines and Interrupt Control

Address Instruction

The following program shows the overall structure and operation of the

scheduled interrupt.

Here, the scheduled subroutine is started and will be repeated every 20 ms.

The control flow logic of the main program is unaffected by execution of the

scheduled subroutine, i.e., immediately after the sub

routine has finished execution, control returns to the point in the main pro-

gram where it was suspended.

First Cycle Flag

Main program

Interrupts every 20 ms

Main program execution

Address Instruction

Main program.

Section 5-20

Set at 20 ms.

Returned from

interrupt rou-

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