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Stable Detection of Difficult Objects

Omron's new E3AS-HL reflective photoelectric sensor allows you to reliably detect difficult targets, regardless of material, colour or shape. 

Easily Detect Difficult Objects

Coventional photoelectric sensors have to be selected each time the shape, colour, pattern, or reflectivity of the workpiece changes. In these instances, the sensor installation would have to be adjusted, or redesigned, to cater to the new detection target. This problem plagues many manufacturing facilities within the automotive and food & beverage industries whereby various targets with complex shapes and glossy surfaces need to be detected. 

With the E3AS-HL CMOS Laser sensor from Omron, those days are over. This sensor offers new ways of using reflective photoelectric sensors as it's industry-first sensing technology can reliably detect targets, regardless of their colour, shape, or material. Now you can eliminate the need for time-consuming installation design and adjustment at equipment commissioning.

This sensor reaches high-sampling at 10,000 times per second and Omron's unique accumulation processing increases sensitivity by amplifying the slightest amount of light bounced off the target. It also remains highly resistant against ambient illumination up to 20,000 lx, preventing malfunctions caused by camera lights or sunlight. 

Its CMOS sensing with built-in lens alignment technology minimises the influence of material properties as the reciever lens position is automatically adjusted to the micrometer level to decrease the recieved light spot. Therefore, the E3AS-HL is the perfect choice for detecting curved and irregular shaped glossy automotive parts, as well as multi-colored and glossy food products and associated packaging. 

 

View the E3AS Series

Until now, selecting sensors from a long list of candidates for the many different kinds of workpieces was quite a time-consuming task. With the E3AS Series, just select from three models according to the workpiece and sensing distance. 

Single Teach button prevents inconsistent settings

The E3AS-HL's simple teach button allows virtually anyone to quickly and easily set the optimal threshold level for your application, eliminating rework due to errors that may arise in commissioning. 

Simply hold the teach button located at the top of the E3AS-HL sensor to automatically set the threshold level for workpieces within a specified range.  In fact, threshold levels on near and far sides of the workpiece can be set simultaneously. 

An orientable OLED display makes it easy for operators to quickly view the threshold level and detection values on the same screen, further simplifying the threshold level setting procedure. Moreover, wide viewing angle and display inverting makes it easier for on-site workers to view the display at a glance. 

With IO-Link, you can reduce commissioning time even further as setting information can be batch-written to thousands of sensors on a production line using the IO-Link device configuration tool. Now you can effectively cut troubleshooting time down and avoid the issue of inconsistent sensor settings. 

Enhanced environmental resistance

Nobody likes when a sensor malfunctions due to environmental conditions, causing a production line to cease operation. This can cause quite a headache for your maintenance personnel. 

That is why the E3AS-HL has been designed with enhanced environmental resistance to maximise production uptime and reduce unnecessary maintainance activities. The sensor's stainless steel housing is manufactured using Omron's unique laser welding technology for enhanced sealing. It is IP96K, IP67G and ECOLAB rated making it oil resistant, detergent resistant and suitable for use in hygienic cleaning applications. 

To boost its performance in harsh environment conditions, the E3AS-HL's antifouling coating on the surface of the sensor prevents liquid droplets and dust from sticking to the sensing surface, keeping the lens from fogging as well as reducing false detections that typically wreak havoc for conventional photoelectric sensors. 

Thanks to its unique design, the E3AS-HL can help you to significantly reduce the task of replacing faulty sensors, even in extremely harsh environments. 

Areas of Application

If you have previously struggled to find a suitable photoelectric sensor that was capable of detecting difficult objects such as black parts on black background or various coloured, patterned, or glossy targets, the E3AS-HL will change the way you use laser sensors in a number of your applications, Some of the applications that the E3AS-HL is best suited to include: 

Food & Beverage Manufacturing

E3AS-HL line beam model, detection is less affected by the profile of the surface since the reflected light reaches the sensor from any part of the surface, making it more suited to detecting objects with uneven surfaces like cookies. 

Automotive Industry

Metal glossy objects with curved surfaces in the automotive industry or low reflective workpieces, such as tyres, tend to affect detection. E3AS-HL Sensors can be mounted at a wide angle, making setup easy and mutual interference prevention of up to 4 sensors allows for more flexible installation options.

Packaging & Bottling Facilities

E3AS-HL is capable of detecting the slightest change in the incident light level or distance, so it can stably detect cans and plastic bottles without reflectors, making this the perfect solution for multi-lane conveyor lines even when packaging materials change.

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