Main program process
INT11 program process
INT12 input
INT12 program process
■
Control when multiple interrupts occur simultaneously
● The priority order when multiple interruptions have occurred simultaneously is as follows:
Unit interruption: INTPG0 > 1 > 2 > ... > 7 > Fixed cycle execution type PB
● If more than one interruption activation request is made from the unit, the process will be
carried out from the smallest slot number or the smallest interruption program number.
● If the interruption activation is requested on the completion of the process of interruption
program, a higher-priority program will be searched again and the corresponding interruption
program will be executed.
● The interruption activation request signal on the unit side will be held until the corresponding
interruption program is executed or the unit interruption clear instruction "ICLR" instruction is
executed.
Main program process
INT11 program process
INT12 program process
INT13 program process
INT11 input
INT12 input
INT13 input
● When multiple interrupts occur during execution of an interrupt program, they will be
executed in order from the smallest program number when the program has finished
execution.
3.39 INTPG (Unit Interruption Program Start), IRET (Unit Interruption Program
End)
WUME-FP7CPUPGR-12 3-119
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