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EATON 80 Series Photoelectric Sensor Timer Modules

Eaton 80 Series photoelectric sensor timer modules consist of a sensor to detect the presence or absence of an object and a timer to control the duration of an output signal. They are used in ...Read More

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EATON 8281A-6501A
EATON 8280A-6501B
StyleModelPrice
A
8281A-6501		£1,856.58
RFQ
B
8280A-6501		£1,622.72
RFQ
A
8282A-6501		£1,959.25
RFQ

Working Mechanism

  • The sensor portion of the module consists of a light-emitting diode (LED) and a phototransistor.
  • The LED emits a beam of light directed at the object to be detected.
  • The phototransistor then detects the light reflected or transmitted back from the object.
  • Depending on the configuration of the sensor, it can detect the presence of an object by measuring a change in the amount of light received by the phototransistor.
  • The timer controls the duration of the output signal.
  • When the sensor detects an object, the timer starts counting.
  • When the set time expires, the output signal is generated.
  • The duration of the output signal is adjusted by setting the timer to different values.

Frequently Asked Questions

What is the role of sensitivity in detecting objects?

The sensitivity controls how much light the sensor needs to detect an object. Adjusting the sensitivity can help the sensor to detect or ignore objects easily that are not relevant.

How to adjust the sensitivity of a photoelectric sensor timer module?

The sensitivity can be adjusted via a potentiometer or trimmer on the device.

What is the difference between diffuse reflective and retroreflective sensors?

Retro-reflective sensors use a target to reflect light to the sensor and sense an object that breaks the beam's path. The diffuse reflective sensors sense an object when the light beam is reflected to the sensor.

What is the difference between a photoelectric sensor and a proximity sensor?

Photoelectric sensors use a beam of light directed towards the object and detect its presence by sensing the interruption or reflection of the beam. Proximity sensors detect the presence of an object by sensing its proximity to the sensor.

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