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Specification & Description
| Specification | Description |
|---|---|
| Part Number | WTB8-P2231 |
| Alternative Part Number | WTB8P2231 |
| Manufacturer | Sick |
| Product Type | Reflection Light Switches |
| Operating Principle | Reflective sensor with background suppression |
| Dimensions | 11 mm x 31 mm x 20 mm |
| Housing Shape | Rectangular |
| Switching Distance | 30 mm to 300 mm |
| Light Type | Visible red light |
| Light Source | LED |
| Light Spot Size (Distance) | Ø 20 mm (at 300 mm) |
| Wavelength | 650 nm |
| Adjustment | Potentiometer, 4 turns |
| Supply Voltage | 10 V DC to 30 V DC |
| Ripple | ± 10 % |
| Connection Type | 4-pin, M8 connector |
| Output Indicator | LED indication: orange (active output), green (stability indication) |
| Mounting Thread | M3 |
| Commodity Code | 903180 |
| ETIM Class | EC002719 |
| UNSPSC | 39121528 |
The Sick WTB8-P2231 is a high-performance reflection light switch designed to offer reliable and precise object detection in a variety of industrial applications. This compact sensor is part of the W8 product family and is engineered to provide a solution for tasks where space is at a premium without compromising on functionality.
Crafted with a robust housing, the WTB8-P2231 ensures durability and longevity in harsh environments. It features a visible red light for ease of alignment and a background suppression function to prevent false triggers from nearby objects. The sensor's adjustable sensing range, which can be fine-tuned via a potentiometer, allows for flexible installation and precise operation.
The WTB8-P2231 is equipped with a PNP output and offers a selectable light-on/dark-on mode, making it versatile for different operational requirements. The quick response time and high switching frequency of this sensor make it suitable for applications requiring fast and accurate detection.
With an IP67 rating, the WTB8-P2231 is protected against dust and water ingress, making it suitable for use in a wide range of environmental conditions. The sensor also comes with a stainless steel mounting bracket, facilitating easy and secure installation.
This reflection light switch is an ideal choice for automation tasks in packaging, material handling, and assembly lines, where consistent and reliable object detection is crucial for operational efficiency. Its miniature size, combined with its powerful detection capabilities, makes the Sick WTB8-P2231 a valuable component in any automated system.
Commonly Asked Questions
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Frequently Asked Questions
What is the operating principle of this reflection light switch?
The operating principle of the reflection light switch is based on background suppression technology, which allows it to distinguish between a target and its background.
Can the sensing range of the reflection light switch be adjusted?
Yes, the sensing range can be adjusted using a potentiometer, which provides precise control over the detection distance.
What type of light does the reflection light switch use?
The reflection light switch uses visible red light emitted from an LED as its light source.
What are the dimensions of this reflection light switch?
The dimensions of the WTB8-P2231 reflection light switch are 11 mm x 31 mm x 20 mm.
What is the maximum switching distance for this device?
The maximum switching distance for the WTB8-P2231 is between 30 mm and 300 mm, depending on the reflectivity of the target material.
Is there an LED indicator on the reflection light switch?
Yes, there is an orange LED indicator that shows when the switching output is active, and a green LED indicator for stability.
What is the supply voltage range for this reflection light switch?
The supply voltage range for the reflection light switch is 10 V DC to 30 V DC.
What type of connection does the reflection light switch have?
The reflection light switch typically has a 4-pin M8 connector for easy integration into industrial systems.
What materials are recommended for the target object to ensure reliable detection?
For reliable detection, the target object should ideally have a high reflectivity, such as standard white (90% reflectivity), although the device can also detect objects with lower reflectivity levels.
How can I mount the reflection light switch?
The reflection light switch can be mounted using M3 screws, and it is recommended to use the mounting accessories specified by the manufacturer for optimal installation.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
