Tuesday, December 9, 2008

water tank level control (our group report)





Firstly, adjust the power supply on the 24v condition. When the current flow, the system and pump will be at off operation. At the same time, led 1 and led 2 will be bright.

Press the switch 1, the system become on condition ,then the led 1 and led 2 will turn off and a led 4 will turn on. Holding switch 1 and press the switch 2 together, the pump will started functionally.

At the same time, the led 3, DC motor and valve will be functionally together also.

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