Technical data

Interrupt events Cyclic program execution can be interrupted by the following:
•• process interrupt-driven program processing,
•• time-controlled program processing,
•• delay interrupt,
•• time interrupt clock-controlled.
The cyclic program can be interrupted or even aborted completely by
the following:
•• a device hardware fault or program error,
•• operator intervention (using the PC stop function, or setting the
mode selector to "stop", multiprocessor stop MP-STP),
•• a stop operation.
Processing the User Program
CPU 928B Programming Guide
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