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G57 Infrared ray Photoelectric Switch Sensor

The photoelectric sensor is a sensor using a photovoltaic element as a detection element. It first converts the measured change into a change in the optical signal, and then further converts the optical signal into an electrical signal by means of the photovoltaic element. Photoelectric sensor is generally composed of light source, optical path and optoelectronic components of three parts.

  • G57
  • YUMO
  • YM0000668

Principle

The working principle of the photoelectric switch is that when the beam emitted by the emitter is blocked or partly reflected by the object, the beam receiver whereby makes a judgment and reacts.

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Structural category  

 

Throuht-beam type

Through-beam bype photoelectric switch is designed that via the light beam between opposite-mounted transmitter and receiver, the object passing through these two devices will interrupt the light beam and start the receiver.

 

Diffuse type
Diffuse reflection type photoelectric switch integrates the transmitter and the reciver. Light reflected by the photoelectric switch is reflected back to the receiver by the detected object.

 

Retroreflective type
Retroreflective type photoelectric switch also integrates the transmitter and the receiver, Its difference from other models is that reflecotr is used to relfect light to the photoelectric switch. Though the object between the photoelectric switch and reflector can reflect the light, it is much less efficient than the reflector so as to cut down reflected light.

 

Convergence reflection type (condensation type)
The working principle of convergence reflection type photoswitch is similar to that of direct reflection type one, while its projector and light receiver focus on boject distance, only when the object presents to the focus can the photoswitch actuate.


Technical Parameter

Through beam Detection distance 1.5cm
10-30VDC NPN NO G57-3E01.5NA
NC G57-3E01.5NB
NO+NC G57-3E01.5NC
PNP NO G57-3E01.5PA
90-250VAC NC G57-3E01.5PB
NO+NC G57-3E01.5PC
SCR Contro Hable silicon NO
NC
Relay output
DC/SCR Control output DC:200mA,AC:300mA,Relay:2A
DC/AC Consumption current DC<15mA,AC<10mA
DC/AC Response time Dc<2ms,AC<20ms
Directional angle 3 . -10 .
Detected object transparent or opaque body
Working environment temperature 25~+55ºC
Intensity of illumination of working environment Sunlight under 1000LX incandescent lamp under 3000LX
Shell material Plastic
Protection grade

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