Omron SFC - INTRODUCTION GUIDE Introduction Manual page 14

2-2 Designing Programs
When the vehicle sensor turns OFF, the timer
counts 3 seconds for safety, and then the gate
closes.
"Closing gate" is displayed on the display
panel.
The gate open limit sensor turns OFF.
When the gate is fully closed, the gate close
limit sensor turns ON.
When the gate close limit sensor turns ON,
the gate stops.
The system returns to the wait status.
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2-4