Photoelectric Sensors

Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.

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  • Baumer_FSE_C2_Primary.jpg

    Baumer

    FSE 200C2002

    Plastic Fiber Optic Cable, Through-Beam Type, 2566 mm Range, Cylindrical Smooth Sensing Head ⌀4 mm, Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF 10

  • Baumer_FSE_C2004_Primary.jpg

    Baumer

    FSE 200C2004

    Plastic Fiber Optic Cable, Through-Beam Type, 641 mm Range, Cylindrical Smooth Sensing Head ⌀3 mm, With Thin Sleeve ⌀1.5 mm, Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF 10

  • Baumer_FSE_C2Y_Primary.jpg

    Baumer

    FSE 200C2Y00

    Plastic Fiber Optic Cable, Through-Beam Type, 1764 mm Range, Cylindrical Smooth Sensing Head ⌀3 mm With Thread M2.6 for Optional Lens, Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

  • baumer_fse_200c4__19992.jpg

    Baumer

    FSE 200C4001

    Photoelectric Fiber Optic Thru-Beam Sensor, Side View, Cylindrical Smooth (Radial) Aluminum Sensing Head without Thread, Ø4mm x 22mm Length, 750mm Range, 2m Plastic (PE) Cable, -30 to +70°C Operating Temperature

  • Baumer_FSE_C4_Primary.jpg

    Baumer

    FSE 200C4002

    Plastic Fiber Optic Cable, Through-Beam Type, 1968 mm Range, Threaded Sensing Head M4, Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF 10

  • Baumer_FSE_200D1_Primary.jpg

    Baumer

    FSE 200D1Y50

    Plastic Fiber Optic Cable, Through-Beam Type, 505 mm Range, Thread Sensing Head M3, Bend Tolerant Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

  • Baumer_FSE_D_Primary.jpg

    Baumer

    FSE 200D2Y00

    Plastic Fiber Optic Cable, Through-Beam Type, 506 mm Range, Cylindrical Smooth Sensing Head ⌀1.5 mm, Bend-Tolerant Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

  • Baumer_FSE_D2Y_Primary.jpg

    Baumer

    FSE 200D2Y50

    Plastic Fiber Optic Cable, Through-Beam Type, 116 mm Range, Cylindrical Smooth Sensing Head ⌀3 mm With Thin Sleeve ⌀1 mm, Plastic Fiber 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

  • Baumer_FSE_F_Primary.jpg

    Baumer

    FSE 200D4Y00

    Plastic Fiber Optic Cable, Through-Beam Type, 558 mm Range, Cylindrical Smooth Sensing Head ⌀2.5 mm, With Thin Sleeve ⌀1 mm, Plastic Fiber 200 cm Long , Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF 10

  • Baumer_FSE_Y_Primary.jpg

    Baumer

    FSE 200E1Y00

    Plastic Fiber Optic Cable, Through-Beam Type, 1306 mm Range, Thread Sensing Head M4 with Thread M2.6 for Optional Lens, Plastic Fiber Ultra-Flexible 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

  • Baumer_FSE_E2Y_Primary.jpg

    Baumer

    FSE 200E2Y00

    Plastic Fiber Optic Cable, Through-Beam Type, 1328 mm Range, Cylindrical Smooth Sensing Head ⌀3 mm, Plastic Fiber Ultra-Flexible 200 cm Long, Operating Temp. up to +70℃, For Compact Fiber Optic Sensors FVDK 10 and OF10

Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.

How Does a Photoelectric Sensor Work?

Generally a photoelectric sensor consists of the following:

  • Transmitter - emits the light beam
  • Receiver - detects the light beam and converts it to an electrical signal

Photoelectric sensors detect changes in the light beam caused by the presence/absence, movement or properties of an object.

Types of Photoelectric Sensors:

  • Through-Beam (Thru-Beam)
    • Transmitter and receiver are two separate units that are directly opposite of each other. The sensor detects when an objects breaks the light beam
    • Great for long distance detection
    • Ideal for conveyors, counting or monitoring door openings
  • Retroreflective (Reflective Mode)
    • Transmitter and receiver are in one housing; light beam is reflected back by a reflector. Detection is triggered when an object breaks the beam.
    • Medium range detection and easier to install than a through beam
    • Ideal for package detection and pallet positioning
  • Diffuse (Proximity Mode)
    • The transmitter and receiver in one housing; the sensor detects light reflected directly off the target object (no reflector needed)
    • Best for short range applications
    • Ideal for detecting objects on assembly lines, verifying presence or checking fill level
  • Specialized Types:

Categories Related to Photoelectric Sensors:

  • Stack lights - signal towers visually communicate the data or alerts that the photoelectric sensors are generating
  • Smart relays - photoelectric sensors provide input signals which can process the data and control outputs
  • Pushbuttons and estops - if your sensor detects a fault, an operator can use a pushbutton to reset the system
  • HMIs - HMIs can dispay the data from the photoelectric sensor which allows you to monitor processes