Omron SYSMAC CP Series, User Manual

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10 Interrupts
10-10
CP2E CPU Unit Software User’s Manual(W614)
10-3 Scheduled Interrupts
Scheduled interrupts can be used with any model of CP2E CPU Unit.
Scheduled interrupts can be used to execute interrupt tasks at fixed time intervals measured by the
CPU Unit
’ s internal timer.
10-3-1 Overview
END
END
Cycle
Cyclic t as k s
(l a dder progr a m s )
I/O refre s h
Interr u pt occ u r s
Interr u pt t as k
L a dder progr a m
S pecified interv a l
Minim u m interv a l: 1 m s
1ms 1ms 1ms
Condition for
accepting interr u pts
Internal timer
Cyclic task exec u tion
MSKS instr u ction exec u ted
to set the sched u led
interr u pt inter v al
Sched u led Interr u pt Inter v al =
0.5 ms (example)
Exec u tion
interr u pted
Exec u tion
interr u pted
Exec u tion
interr u pted
Cyclic task
exec
u tion
Cyclic task
exec
u tion
Exec u ting
sched u led
interr u pt
task 1
Exec u ting
sched u led
interr u pt
task 1
Exec u ting
sched u led
interr u pt
task 1