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6. Circuit Descriptions
6-1. Power circuit
Voltage
1) The input AC voltage of DC-trans secondary registers 8V at CN10 between ①~③. The rectified
voltage passed through D101 ~ 104 becomes DC 5V through voltage regulator MC7805(REG1).
The power(DC5V) is supplied to the power around micom and sensor detector.
2) The input AC Voltage of DC-trans secondary registers 15V at CN10 between ⑤~⑦. The rectified
voltage passed throush D105 ~ D108 becomes DC 12V through voltage regulator MC7812CT
(REG2). The power (DC12V) is supplied to the relay operation and LED display.
(DC 12V)
Vcc (DC 5V)
Circuit used
Relay Operation & LED Display
Power around MICOM & Sensor Detector
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