| 摘要 |
<p>PROBLEM TO BE SOLVED: To flexibly control water supply, by providing a changeover means by which a detected signal is transmitted to a microprocessor when the signal is an actuation voltage and the detected signal is transmitted to a converting means when it is not an actuation voltage. SOLUTION: A 4I0 control board 110 is provided with input terminals 118, 120, 122, 124 receiving inputs from four sensors or switchwes and output terminals 126, 128, 130, 132 outputting signals to four controllers. A 9 volt changeover switch of the control board 110 is put off when the voltage exceeds 9 volt and put on again when it drops lower than 9 volt to retain 9 volt DC. When 9 V DC is transmitted to a 5 V adjuster, the adjuster lowers the voltage don to 5 V DC. An optoisolator removes noise of 5 V DC and transmits the voltage to a Schmitt trigger as an inverter. And further, the trigger transmits a rectangular signal to the microprocessor and the microprocessor executes a 410 software to control water supply equipment on a lavatory sink or the like. In this way, a flexible control can be realized.</p> |
