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3-5 Example of a Basic Ladder Program
3-5-1 Practice of Programming a Ladder Diagram
[Exercise] Coin Operated Parking Space
Three cars can be parked in the parking space. Create a program to turn ON the FULL lamp
(L3 (red lamp)) if the parking lots are full and turn ON the AVAILABLE lamp (L1 (green lamp)) if
one or more parking lots are available.
SW1, SW2, and SW3 are used as sensors to detect presence of cars.
Completed program
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