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

    FSF 100A1005

    Glass Fiber Optic Cable, Through-Beam Type, 500 mm Range, Thread Sensing Head M3, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_050A2_Primary.jpg

    Baumer

    FSF 100A2001

    Glass Fiber Optic Cable, Through-Beam Type, 1400 mm Range, Cylindrical Smooth Sensing Head ⌀4 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_B2_Primary.jpg

    Baumer

    FSF 100A2002

    Glass Fiber Optic Cable, Through-Beam Type, 500 mm Range, Cylindrical Smooth Sensing Head ⌀4 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_B2_Primary.jpg

    Baumer

    FSF 100A2004

    Glass Fiber Optic Cable, Through-Beam Type, 500 mm Range, Cylindrical Smooth Sensing Head ⌀1.5 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_B050_Primary.jpg

    Baumer

    FSF 100A2005

    Fiber Optic Cable, Through-Beam Type, 500 mm Range, Cylindrical Smooth Sensing Head ⌀3 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_3_Primary.jpg

    Baumer

    FSF 100A3020

    Glass Fiber Optic Cable, Through-Beam Type, 800 mm Range, Rectangular Sensing Head 10 mm Array Width 8 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18

  • Baumer_FSF_3022_Primary.jpg

    Baumer

    FSF 100A3021

    Glass Fiber Optic Cable, Through-Beam Type, 900 mm Range, Rectangular Sensing Head 25 mm Array Width 20 mm Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18

  • Baumer_FSF_3022_Primary.jpg

    Baumer

    FSF 100A3022

    Glass Fiber Optic Cable, Through-Beam Type,900 mm Range, rectangular Sensing Head 40mm Array Width 35 mm, Metal Jacket 100 cm Long, Operating Temp. up to +250℃, For Rugged Fiber Optic Sensors FZAM 18

  • Baumer_FSF_050B4_Primary.jpg

    Baumer

    FSF 100A4002

    Glass Fiber Optic Cable, Through-Beam Type, 860 mm Range, Cylindrical Smooth Sensing Head ⌀5 mm Side View, Metal Jacket 100 cm Long, Operating Temp. up to +120℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

  • Baumer_FSF_050B4_Primary.jpg

    Baumer

    FSF 100A4004

    Glass Fiber Optic Cable, Through-Beam Type, 1400 mm Range, Cylindrical Smooth Sensing Head ⌀5 mm Side View, Metal Jacket 100 cm Long, Operating Temp. up to +120℃, For Rugged Fiber Optic Sensors FZAM 18 and FZAM 30

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