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Showing Results For: Photoelectric Sensors

Photoelectric Sensors

A photoelectric sensors is a sensing component that uses light to detect an object in its field of view. Photoelectric sensors are used to perceive and measure physical objects or aggregates by discharging a beam or field of electromagnetic radiation as well, as an object is detected by measuring modifications in the return signal. The transmitter component of the sensor projects a light beam into the area it is observing, using both visible and laser light. This beam is frequently pointed at a target or reflector module, relying on the model.

Types of Photoelectric Sensors: 

The photoelectric sensors are divided into three main types that supply reliable detection: through-beam, retro-reflective, and diffuse. All types of photoelectric sensors have the same primary function: to measure the distance to an object or the presence or absence of the object.        

  • Through-beam Sensors:

Through-beam sensors depend on two distinguished housings, one for the transmitter and the other for the receiver, where the transmitter provides a constant beam of light to the recipient. Whenever an object passes through the beam, this passing interrupts the signal between the transmitter and the receiver; these interruptions cause the receiver to send an electrical signal to the output. These sensors are suitable for long-distance sensing and can detect almost any object, ignoring the colour or angular motion.

  • Retro-reflective Sensors:

Retro-reflective photoelectric sensors own both the transmitter and receiver within the same housing; apart from that, it requires a reflector across the sensor. The reflector rebounds the light beam and returns it to the transmitter till an object smashes the beam. Highly reflective objects like aluminium require sensors with polarising filters. The filter lets the sensor accept that the reflected light from reflecting materials is distinct from the reflector.

  • Diffuse Sensors:

Diffuse sensors, also known as proximity sensors, are straightforward to install. At the same time, only one device must be mounted because the transmitter and receiver of the diffuse sensor are contained within one housing. These sensors use the reflection from the target object inside a prearranged sensing range. The transmitter sends out a continuous beam of light and diffuses it in all directions; once this hits the target, a piece of this light is reflected and acknowledged by the receiver, and then the receiver sends an electrical signal to the output. A particular type of diffused approach is background suppression, which authorises the user to precisely control the sensing range.

Applications:

  • Mostly photoelectric sensor applications are found in industrial or manufacturing environments.
  • Photoelectric sensors are used to check objects on conveyors. 
  • Additionally, optical sensing modules are very productive at counting or measuring the overall volume of many tiny items and objects.
  • Photoelectric sensors are often used in:
  • Increased high-tech logistics,
  • Warehousing and materials handling environments.
  • Automated warehouses use robotic trucks or pick-and-place machinery, for both accuracy and safety reasons.
  • The intimate use of photoelectric sensor technology is the operation of automatic doors. 
  • Mostly found at the doorways to buildings or secure access areas, they are also found in certain types of public transport vehicles to allow automatic entry and exit. 
  • Same sensors are often used to detect uncertified entry through doors or windows that are supposed to remain closed.
  • Additionally, it can also be used for color detection and for accurate distance measurement via triangulation.

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WF30-60B410, Sick
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VT12T-2P410, Sick
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Q45BB6F, Banner

Q45BB6F, Banner

Q45 Series Sensors The Turck Banner Q45 series of full size photoelectric sensors are an extremely rugged design that exceeds NEMA 6P/ IEC IP67 standards and withstands 1200 psi wash-down. The Q45 series offers opposed, Polarized, Non-polarized retro-reflective, Diffuse, Convergent, Laser and glass or plastic fibre optic sensing modes. Built to accommodate output timing logic or 7-segment LED signal strength display on standard models Highly visible LED indicators for power, Signal and output Options of laser diode retro-reflective and NAMUR models Bus network compatible connection Various power options available
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EQ34PN, Panasonic

EQ34PN, Panasonic

EQ30 — Triangulation Light Sensor Small light sensors with background fade worldwide Compact dimensions of only 68x20x40 mm Adjustable sensor range up to 2 m Works colour independently Automatic crosstalk suppression IP67 EQ-34-PN Sensor type: Light sensor Sensor range: 200 cm Sensor area: 10 → 200 cm Standard object: Cartridge paper, white 20x20 cm Quality of measuring object: Transparent, opaque Hysteresis: Response time: max. 2 ms Output transistor: max. 100 mA Transmitter diode: Infrared LED Power consumption without load: 55 mA (PNP) Housing material: Plastic Protection rating: IP67 Dimensions (LxWxT): 68x20x40 mm Connection type: Cable 2 m Operating nominal voltage: 10 → 30 Vdc (±10%) Ambient temperature: -20 °C → +55 °C Weight: approx. 150 g
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EQ511T, Panasonic

EQ511T, Panasonic

EQ511/512 — Triangulation Light Sensor The EQ-500 series is a reflective photoelectric sensor with a compact design. Background and foreground suppression (DC types) and a long sensing range of up to 2.5m is characteristic of this sensor. Even in harsh environments prone to water or dust stable sensing is still possible. EQ-500 series can be used to confirm the passage of packages on a conveyer belt or detect people in front of automatic doors. These light sensors have BGS & FGS function and are unaffected by colour, form or the material of an object. The compact design of this sensor which includes short circuit proof plus a timer function, which is available on the EQ-5_T models only make it an ideal sensor for your business requirements. Triangulation light sensor DC voltage version Large sensor range Rapid response time Foreground and background suppression NPN and PNP transistor output With and without timer function Short-circuit-proof Compact design High protection class BGS & FGS function Timer function model available (EQ-5_T models only) Applications Automatic doors Storage technology and materials handling Light sensor: EQ512 EQ511 EQ512T EQ511T Sensor type: Light sensor Sensor range: 100 cm 250 cm 100 cm 250 cm Sensor area (cm): 10 → 100 cm 10 → 250 cm 10 → 100 cm 10 → 250 cm Test object: Opaque, transparent Response time: max. 2 ms Timer function: Without Without 0.1 → 5 s 0.1 → 5 s Output: NPN/PNP max. 100 mA Transmitter diode: Infrared LED 880 nm Power supply: 12 → 24 Vdc (±10%) Power consumption without load: max. 45 mA Electrical connection: Screw terminals Housing material: ABS Protection rating: IP67 Dimensions (H x W x D): 68x26x68 mm Weight: approx. 85 g Ambient temperature: -20 °C → +55 °C Approvals   CE Standards IP67 (IEC)
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WFS3-40N115, Sick

WFS3-40N115, Sick

Overview At a glance Housing with slim forked shape Simple and precise setting of the switching threshold via IO-Link, teach-in button, or plus/minus buttons Light/dark switching function Fast response time: 50 μs PNP or NPN switching output Plastic housing with IP 65 enclosure rating Smart sensor with integrated IO-Link interface Your Benefit Flexible and simple mounting directly on the edge of a label dispenser ensures a high level of accuracy in the process Small housing allows simple installation even where space is limited User-friendly adjustment allows easy and quick commissioning Fast response times enable precise detection – even at very high track speeds Thanks to IO-Link or external teach-in, the switching threshold can be adapted while the process is running, increasing process reliability Easy to access data from the PLC via IO-Link The slim, forked shape of the WFS has been specially developed for the requirements of the labeling process. The design allows the sensor to be mounted directly on the edge of a label dispenser. Difficulty in detecting the label gap is finally eliminated – the sensor's switching threshold can be taught-in while the label strip is running. This sophisticated operating concept means the sensor can be adjusted to different labels quickly, easily, and reliably. The fast response time guarantees exceptional repeat accuracy. Applications Packaging industry: Detection of non-transparent labels on different web materials Double sheet detection Quick and reliable label detection Integrated label counting for timely coil changeovers Cutting of continuous labels without print marks Triggering Note Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.
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GSE6-P6111, Sick

GSE6-P6111, Sick

Overview At a glance PinPoint LED for a bright, precise light spot Durable metal threaded inserts SICK ASIC technology - the result of decades of experience in photoelectric sensors Large, user-friendly potentiometer Large, bright indicator LEDs IP 67 enclosure rating Your Benefit Easy alignment and precise object detection due to a highly visible PinPoint LED Quick and easy mounting and high durability due to threaded metal inserts SICK ASIC technology provides high performance and excellent reliability Easy to adjust due to large, user-friendly potentiometers Easy to monitor due to large, bright indicator LEDs Easy installation with SICK accessories Singulation in automated border controls Opening swing doors at the customs exit Separating people at passenger locks Controlling the flow of people at automated boarding gates Person singulation in access gates Checking for objects present in the transfer position Monitoring the inbound belt Controlled load transfer to automated guided vehicle systems Detection of direction of travel The G6 Global photoelectric sensor is enclosed in a miniature housing and delivers an optimum price-performance ratio. The Global sensor achieves outstanding performance when mounted with a standard 1-inch hole distance. With PinPoint LEDs, metal inserts for mounting, large and bright indicator LEDs, user-friendly setting screws, IP67 enclosure rating, and the very latest SICK ASIC technology, the Global sensor truly is raising the bar. Applications Component detection in the robot gripper Transport control on the conveying line Detection of the pallet shuttle reference position Access protection at the top loader Detection on the load-carrying unit Protrusion monitoring in the package conveyor Automated identification of stacked totes with bar codes Level monitoring for chutes Presence detection at induction lines and transfer points Protrusion detection at the conveyor Conveying and zone control without dynamic pressure Protrusion mo...
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EX-23-PN, Panasonic

EX-23-PN, Panasonic

Compact Through Beam Sensor Compact through-beam photoelectric sensor 'Light-on/Dark-on' switch incorporated Visible red emitting element for easy alignment Built-in sensitivity adjustment 2m of pre-wired cable Environmental protection – IP67 H 22mm x W 8.2mm x D 10.5mm
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WFL5-40B416, Sick

WFL5-40B416, Sick

Overview At a glance Very precise Class 1 laser Simple and precise setting of the switching threshold via IO-Link, teach-in button, or plus/minus buttons Fast response time: 100 μs PNP and NPN switching output Light/dark switching function Stable aluminum housing with IP 65 enclosure rating Smart sensor with integrated IO-Link interface Your Benefit A highly precise laser beam ensures consistent measurement accuracy along the entire measuring range and reliable detection of extremely small objects A visible laser beam enables easy alignment and fast adjustment Reliable and simple setting via teach-in button ensures high process reliability A wide range of different fork sizes increases mounting flexibility Stable aluminum housing for use in harsh industrial environments Thanks to IO-Link or external teach-in, the switching threshold can be adapted while the process is running, increasing process reliability Easy to access data from the PLC via IO-Link WF Laser fork sensors are characterized by fast response times and a highly focused visible laser beam. The sender and receiver operate using a through-beam design and are in a single housing. No adjustments therefore need to be made. The sensors guarantee exceptionally high positioning accuracy and impress with their extremely fast response times and very fine resolution. As a result, the sensors are particularly suitable for detecting extremely small objects such as needles or wires. They are also recommended for the detection of transparent objects. A total of 21 WF Laser variants are available for use in a wide range of applications. Applications Detecting small parts Detecting transparent objects Precise object positioning Checking presence and fill level in the singulation system Checking presence and monitoring accumulation on singulation conveyors Tip compensation Presence and backup monitorin Note Product details cover the whole product family. For details on the specifications for this individual product, ...
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WTB8-P2231, Sick

WTB8-P2231, Sick

W8 Series Photoelectric Sensors Sick W8 series high-quality, miniature photoelectric sensors are specially designed for close-range applications. Autocollimation, background suppression, and high switching frequencies of 2 kHz make these sensors ideal for a broad range of applications. The housing is designed with M3 threaded mounting holes that provide easy and secure mounting. Miniature housing with M3 threaded mounting holes Switching frequency up to 2 kHz Stainless steel mounting bracket W2 To W34 Series Block Style Note For retro-reflective sensors a suitable reflector is required. For PL80A, PL30A & C110 reflectors see stock nos. 265-2776 , 265-2760 & 265-2748 respectively. *Guaranteed operating distances. Maximum sensing distance may be up to double the figure shown.
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E3H2-DS30B4M 2M, Omron

E3H2-DS30B4M 2M, Omron

E3H2 Miniature Sensors Retro-reflective models with two teaching modes for standard and transparent objects Reverse polarity and short-circuit protection Maximum switching current: 45 mA Operating temperature range: -20 → +55 °C E3F2 Series Barrel Output can be configured by wiring either ’light ON’ or ’dark ON’ Built in amplifier Short circuit and reverse polarity protection M18 DIN size cylindrical housing
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WSE26I-24162100A00, Sick

WSE26I-24162100A00, Sick

Overview At a glance Technologies: ClearSens, LineSpot, TwinEye with OptoFilter BluePilot: Optical alignment aid, adjustment of the sensing range via Teach-Turn adjustment with optical sensing range indicator or via IO-Link PinPoint LED: Light-intensive red sender LED Smart Sensor: Enhanced Sensing, IO-Link, Diagnostics, Smart Tasks Your Benefit Usability and uniform operation thanks to optical quality display on the housing or conveniently via IO-Link Simplification when aligning the light beam to the reflector, the receiver or to an object thanks to the highly-visible light spot of the PinPoint LED combined with the optical LED display Very high reliability thanks to new detection technologies as well as high optical ruggedness The Smart Sensor makes machine processes quicker, more efficient and transparent, enables predictive maintenance and is thereby a trailblazer for Industry 4.0 applications The W26 is equipped with new technologies such as TwinEye, LineSpot, ClearSens and OptoFilter for reliable object detection. It can be quickly and conveniently adjusted via the BluePilot operating and display concept. Since every W26 is designed as a Smart Sensor, it can be configured to fit the application via IO-Link and offers additional diagnostic functions and Smart Tasks. It is therefore a trailblazer on the path to Industry 4.0. The highly-visible PinPoint LED and the infrared LED are available as the light source. The durable laser inscription ensures device identification in the long run. Thanks to the very rugged VISTAL® housing and the predictive maintenance, the W26 offers very high reliability and prevents unplanned machine downtimes. Applications Consumer goods Automotive and parts suppliers Wood Storage and conveyor Handling and assembly Metal and steel Stone, ceramic, glass Textile Detection of cartons and containers Detection of cartons and containers Visualization of process parameters in the wood industry Sensor self-monitoring during setup and opera...
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VSE180-2P32437, Sick

VSE180-2P32437, Sick

Overview At a glance Low-cost M18 housing sensor on the market Long sensing distances: 100 mm, 400 mm, 800 mm (proximity sensor), 300 mm (proximity sensor with BGS), 6 m (retro-reflective sensor) and 20 m (through-beam sensor) Bright power and signal LEDs with 360° visibility Wide product portfolio solves a broad range of applications High switching frequencies up to 1000 Hz Available in a metal housing for applications in harsh environments Optical axis selectively axial or radial (90°) Your Benefit Cost-effective cylindrical M18 sensor lowers installation costs Brightly lit red emitter LED simplifies alignment and saves mounting time Bright status display with 360° visibility enables quick and easy troubleshooting and thus reduces maintenance costs and time The flat, smooth front screen reduces the accumulation of dust and dirt. This ensures reliable operation and reduces both maintenance and costs The V180-2 sensors are designed to provide the longest sensing range for proximity sensors. These low-cost cylindrical sensors are easy to use, easy to install and maintain saving installation time and maintenance costs. The V180-2 is available in either a plastic or metal housing. The bright red LED makes these sensors easy to align and set up, offering time-saving installation. Plus, the indication LEDs provide continuous signal strength information for quick and simple troubleshooting. The V180-2 provides an economical solution for universal applications, such as product detection and machine positioning in packaging, general manufacturing automation, material handling and warehousing systems. Applications Edge guiding Web width measurement and edge guiding Note Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.
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