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    Car Wash | How Does it Work?

    In this video we went over how a car wash works. We started by looking at the computer that sends the signal to the PLC (programmable logic controller). That sends the type of wash that the customer wants to the PLC. The PLC then controls the outputs of the soap and the motors that power the wash. Part of the PLC are amp clamps. Amp clamps measure the amount of electricity that goes through them and then adjust the brushes based on the contours of the vehicle. We experimented with the computer and watched it move the brushes back to…