Question

Solenoid Lab - Develop a control schematic to empty and fill the water tank in the lab. There will be 2 control circuits- one 24 VDC circuit and on 120 VAC control. The 24 VDC will control the solenoids that fill and empty the tank. There needs to be an overriding STOP switch. There will be a PB switch that activates the FILL control relay and the FILL solenoid. There will be a second PB switch that activates the EMPTY control relay and the EMPTY solenoid. The FILL Solenoid and the EMPTY solenoid should never be allowed ON at the same time. The 120VAC circuit will be for the Timing Relay. Use the time off delay function of the timing relay so that when the FILL button is chosen, the solenoid will stay on for 15 seconds and then turn off Similarly, it the EMPTY button is chosen, the solenoid will turn off after 15 seconds. Also, while either solenoid is active, there should be a light on. You can use the 120 VAC lights that were used when the timer relays were wired originally in lab

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