Newland EM3000 Especificaciones descargar pdf (Pagina 24)

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Mechanical Interface

Interface(12PIN-12PIN)

Interface Socket Pin Assignment and Definition

J1 Input/Output Type Definition

PIN 1 Power Supply VCC

Power supply VCC +3.3V。If power falls to under 3.1V, EM3000 will

reset automatically.

PIN 2 Power Supply VCC

Power supply VCC +3.3V。If power falls to under 3.1V, EM3000 will

reset automatically.

PIN 3 Ground GND －

PIN 4 Input RX TTL level，could not connect to PC serial signal

PIN 5 Output TX TTL level，could not connect to PC serial signal

PIN 6 － NC －

PIN 7 － NC －

PIN 8 Ground GND －

PIN 9 Output BUZ

Beeper output. If not sufficient current for beeper, an external current

amplifier is needed. If not use, it will be hung up.

PIN 10 Output LED

LED output. If not sufficient current for beeper, an external current

amplifier is needed. If not use, it will be hung up.

PIN 11 Input RESET EM3000 Restart signal, pull low longer than 100 μs to restart

PIN 12 Input TRIG Trigger signal, pull low longer than 20ms to initiate reading

Pin 12

Pin 1

Pin 12

Pin 1

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Newland EM3000 Especificaciones Pagina 24