Omron V320-F Series Connection Manual page 67

No. Overview
2.3. Normal/Error Judgment
Processing
Description
Judges whether program execution has ended normally
or abnormally.
The program is considered to have ended normally if all
of the following conditions are met.
(1) PMCR instruction at normal end (without PMCR
instruction error)
(2) Communications sequence at normal end (without
communications error)
If an error occurs in either one of the above conditions,
the error flag corresponding to the error turns ON.
9. Program
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