Omron CS1G/H-CPUxxH Instructions Manual page 783

Interrupt Control Instructions
Examples
3-20-5 ENABLE INTERRUPTS: EI(694)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
762
reset after execution of EI(694) in the event that a power interruption is
detected during execution of the instructions between DI(693) and EI(694).
Task No. 0
Task No. 1
When CIO 000000 is ON in the following example, DI(693) disables all inter-
rupt tasks other than the power OFF interrupt task.
000000
Enables execution of all interrupt tasks that were disabled with DI(693).
When a CS1-H, CJ1-H, and CJ1M CPU Unit is being used and the power
OFF interrupt task is disabled, EI(694) simultaneously releases the disabled
power OFF interrupt processing.
EI(694)
Variations Executed Each Cycle for Normally ON
Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
Block program areas
OK OK
DI
END
The mask on power
OFF interrupt
processing is enabled.
EI
END
With CS1-H, CJ1-H, and CJ1M CPU
Units:
Power OFF interrupt processing can be
disabled at the same time if the power
Disables execution of all interrupt tasks
(except the power OFF interrupt).
Step program areas Subroutines
OK
Section 3-20
EI(694)
Not supported
Not supported
Interrupt tasks
Not allowed