Aalborg OSS-2 Optical Manual do Utilizador descarregar pdf (Página 5)

3. INSTALLATION

3.1 Electrical Connections

The Optical Sensor Switch requires a +12VDC power supply with a minimum

current rating of 250 mA. Operating power and alarm reset signals are supplied

via the 9-pin AD@ connector located at the side of the Optical Sensor Switch.

Alternatively power can be connected via the DC power jack on the bottom side

of the unit. If you are using your own power supply, be sure that the voltage

level is between +12 and +15 Vdc.

POWER JACK

RESET BUTTON

ALARM CONFIGURATOR

9-PIN D-CONNECTOR

LED INDICATORS

PHONE JACK 1

PHONE JACK 2

SUPPLYING DC POWER TO THE POWER JACK AND THE “D” CONNECTOR AT

THE SAME TIME WILL DAMAGE THE METER. DC POWER JACK POLARITY IS

CENTER POSITIVE.

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The DIP switch, located near 9-pin D-connector can be used to set up custom

settings separately for High and Low alarm.

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Aalborg OSS-2 Optical Manual do Utilizador Página 5