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Product category: Proximity Sensors
News Release from: Sick (UK) | Subject: Connect 3 range
Edited by the Engineeringtalk Editorial Team on 07 June 2006

Photoelectric sensors are more
intelligent

Sensors offer machine builders and end users enhanced levels of performance and functionality claimed to set new and elevated benchmarks in the world of industrial sensing.

Sick (UK) is launching its first "third-generation" photoelectric sensors under the Connect 3 banner These new sensors offer machine builders and end users enhanced levels of performance and functionality that will almost certainly set new and elevated benchmarks in the world of industrial sensing

Primary benefits on offer from the Connect 3 range include enhanced robustness, IP67-rated protection, greater precision and improved intelligence.

By incorporating these features across three different sensor variants, Sick (UK) can offer solutions for most major manufacturing applications.

The Connect 3 range is more tolerant to environmental conditions and the various external stimuli that would otherwise prevent other sensors from working to their optimum capabilities.

In operation the Connect 3 models are more tolerant to EMC and optical "distractions", they have an operating temperature range of between -40 to +60C and are more resilient to detergents and lubricants.

Functionally, they offer a comprehensive range of object detection capabilities spanning highly reflective to transparent, light to dark and near to far.

The three sensor variants that comprise the Connect 3 range are the W4-3, the W18-3 and the W27-3 - all offering features that make them attractive to different industrial applications.

Thanks to a new ASIC developed by Sick, objects located directly behind the target object do not impair the sensors' ability to function and the new ASIC also allows stunning levels of background suppression accuracy.

Blind zones in close-range detection applications are also a thing of the past thanks to the devices' auto-collimation principle.

Moreover, the W4-3 and W27-3 are considerably quicker than previous models and increased switching frequencies also permit their use in machines with high throughput rates.

The W4-3 is the space-saver in the range, but its diminutive size belies its sensing capabilities.

It can handle a large variety of target objects while maintaining high detection reliability.

It offers reliable detection of small, transparent and highly reflective objects thanks to a new optical concept.

It functions under many different environmental conditions such as those that are damp or subjected to regular spraying.

Flash-lamps and strong electromagnetic interference are also countered, indeed the series operates largely independently of the local environmental conditions.

In general the sensors offer secure and fast alignment through an easily visible, intensive red homogeneous light spot and a mounting bracket is not required for most installations.

The W18-3 is especially suited to packaging applications.

Its slender housing and operational readiness - regardless of the machine environment and the operating conditions - allow for its installation in machines and plant with limited space.

Auto-collimation allows reliable object detection from zero distance upwards and proximity switches reliably detect objects with critical surfaces or unusual structures.

It offers simple operation and can be programmed with a single button push.

Its 360deg indicator LED provides readily available status information during start-up and in operation.

The W27-3 is an "all-rounder" for materials handling.

This photoelectric device can handle heavy vibrations or impacts, low-temperatures and Ex zones (ATEX).

Programming is straightforward - with simple button pushes adjusting the sensor for the target object within seconds.

Thanks to its laser technology, it can reliably detect the smallest of objects over long scanning distances.

All three units in the range can be quickly and easily connected to control networks thanks to an optional fieldbus-enabled sensor hub.

They also exhibit many standard features that make their installation and subsequent use incredibly simple.

These include: standardised connector technology, rapid electronic scanning distance adjustment (by teach-in button or potentiometer) and a user-friendly interface.

End users can also save a lot of time, in operation, through the ability to adjust the sensors via a network - either directly from the machine controller or via a remote connection.

This new range from Sick (UK) - with its new technology - is almost certain to set the pace in sensor development over the next few years, giving end users even more power and capability in ever smaller and more robust packages.

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