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Specification & Description
| Specification | Description |
|---|---|
| Part Number | WL24-2B430 |
| Alternative Part Number | WL242B430 |
| Manufacturer | Sick |
| Type | Compact Photoelectric Sensor |
| Functional Principle | Reflexionsfotocelle (Reflex Photoelectric Sensor) with Double Lens Technology |
| Dimensions | 27 mm x 87.5 mm x 65 mm |
| Housing Shape | Square (with respect to the light exit) |
| Maximum Sensing Range | 0 m to 22 m with Reflector PL80A |
| Sensing Range | 0 m to 15 m with Reflector PL80A |
| Light Type | Visible Red Light |
| Light Source | LED with an average lifetime of 100,000 hours at TU = +25 °C |
| Light Spot Size (Distance) | Ø 250 mm at 15 m |
| Adjustment | Potentiometer |
| Supply Voltage | 10 V DC to 30 V DC |
| Ripple | < 5 Vpp |
| Current Consumption | 50 mA without load |
| Output Type | Transistor output, NPN or PNP selectable |
| Connection Type | Connector M12, 4-pin |
| Protective Circuits | Polarity protection, noise suppression, overcurrent and short-circuit protection |
| Protection Class | II |
| Weight | 330 g |
| Polarisation Filter | Included |
| Housing Material | Metal, Zinc Die Casting |
| Optics Material | Plastic, PMMA |
| Protection Rating | IP69K |
| Operating Temperature Range | -40 °C to +60 °C |
| Storage Temperature Range | -40 °C to +75 °C |
| UL File Number | NRKH.E181493 & NRKH7.E181493 |
| MTTFD | 834 years |
| DCavg | 0% |
| eCl@ss Classification | 27270902 (eCl@ss 5.0 to eCl@ss 12.0) |
The Sick WL24-2B430 is a compact photoelectric retro-reflective sensor designed for a variety of automation and safety applications. This sensor is adept at detecting objects with precision and reliability, making it an essential component in industrial settings where accurate sensing is paramount.
Crafted with a robust zinc diecast housing, the WL24-2B430 is built to withstand harsh industrial environments, boasting an IP69K enclosure rating that ensures protection against dust and high-pressure water jets. Its compact dimensions (27 mm x 87.5 mm x 65 mm) allow for easy integration into machinery where space is at a premium.
The sensor operates with a visible red light LED source, providing a detection range of up to 15 meters with the standard reflector PL80A. The light spot size at the maximum distance is Ø 250 mm, ensuring a broad coverage area for the detection of objects. The WL24-2B430 also features a potentiometer for simple and precise adjustments, allowing for quick setup and fine-tuning to meet specific application requirements.
With a fast response time of ≤ 500 µs and a switching frequency of 1,000 Hz, the WL24-2B430 is capable of handling high-speed operations with ease. It offers both NPN and PNP output configurations, which can be selected via a switch, and includes light on/dark on operational modes to cater to diverse sensing needs.
The sensor's power supply requirements are flexible, ranging from 10 V DC to 30 V DC, with a residual ripple of less than 5 Vpp, and it has a low current consumption of ≤ 50 mA. Additionally, the WL24-2B430 is equipped with circuit protection features, including reverse-polarity protection, interference suppression, and outputs that are protected against overcurrent and short circuits.
Overall, the Sick WL24-2B430 photoelectric sensor is a reliable and efficient choice for industrial automation tasks, offering durability, precision, and ease of use for a wide range of applications.
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Frequently Asked Questions
What is the operating principle of this sensor?
The sensor operates on the principle of a reflex light barrier with a polarisation filter, using a visible red light LED as the light source.
Can the switching mode be adjusted on this sensor?
Yes, the sensor allows for selectable light/dark switching through an integrated switch, providing flexibility for different application requirements.
What type of output does the sensor provide?
The sensor provides a switching output that can be configured as either PNP or NPN, depending on the needs of the application.
What is the maximum switching frequency of the sensor?
The sensor has a maximum switching frequency of 1,000 Hz, allowing it to respond quickly to changes in the detected object's presence.
What is the protection rating of the sensor?
The sensor has an IP69K protection rating, making it suitable for use in environments where it may be subjected to high-pressure and high-temperature washdowns.
What materials are used in the construction of the sensor?
The sensor's housing is made of metal with a zinc die-cast, and the optics are made of PMMA plastic, ensuring durability and reliability.
What is the maximum operating temperature range for the sensor?
The sensor can operate within a temperature range of -40 °C to +60 °C, making it suitable for a variety of industrial environments.
What type of connection does the sensor use?
The sensor utilises an M12, 4-pin connector for electrical connection, providing a standardised and secure connection.
Are there any recommended accessories for this sensor?
Recommended accessories include reflectors, mounting brackets, and connectors or cables, which can be used to enhance the sensor's functionality and ease of installation.
How is the sensor's sensitivity adjusted?
The sensor's sensitivity can be adjusted using a potentiometer, allowing for fine-tuning to suit specific application needs.
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