CarWash Inc.

Ryan VuMatthew Ethredge

Jason Holland

1.Conveyor Belt Starts

2.Wet Down Begins/Stops

3.Soap Begins/Stops

4.Wash Begins/Stops

5.Rinse Begins/Stops

6.Dry Begins/Stops

7.Conveyor Belt Stops

Car Wash Cycle

Start Button – Engages the conveyor belt.

Emergency Stop Button – In case of an

emergency it will shuts down all operations.

Reset Button – It resets the counters used

in the car wash for the next car.

Input Devices

The conveyor belt is used to drag the car

when in neutral using a constant speed

motor.

Conveyor belt

The wet down is activated for 20 seconds

after the start button is activated.

It sprays down the car to soak any mud to

make it loose.

Wet down cycle

After the wet down process complete the soap

process activates for 45.

It completely coats the car in soap.

Soap down cycle

After the soap process is complete the wash

process activates for 45 second.

High pressure wash heads are used.

All dirt and debris is removed.

Wash cycle

After the wash process is complete the rinse process activates for 45 seconds.

low pressure nozzles are used to rinse the exterior free of all soap.

Rinse cycle

After the rinse cycle is complete the dryer process activates for 45 seconds.

High powered blowers are used to completely dry the exterior of the car.

Dryer Cycle

Ladder diagram

Ladder diagram

Thank you!