Compact photocell is a clear winner

An IFM Electronic product story
Edited by the Engineeringtalk editorial team Jun 23, 2004

A novel polarised retroreflective sensor plays a crucial role on each of the six bottling lines at Weser EMS Erfrischungs in Germany.

The use of PET bottles has been increasing in the food and beverage industry for a long time and shows no sign of slowing down.

In Loningen in Lower Saxony the company WEG (Weser EMS Erfrischungs) with around 170 employees produces soft drinks for large discount chains.

WEG fills about 1.5 million PET bottles every day, and so 25,000 bottles per hour move through on six bottling lines operating in three shifts around the clock.

The bottles must be detected precisely and reliably at high speed at different positions.

A polarised retroreflective sensor recently developed by sensor market leader IFM electronic performs this task.

It is specially designed to detect transparent or semi-transparent foils, bottles and packaging.

With a switching frequency of 2kHz this tiny device (only 24 x 35 x 11mm) does not even miss the fastest bottle, and ranges of 1.5m can be achieved using a high-quality prismatic reflector.

The OJPG compact photocell is available with side or front lens.

This ensures high flexibility for installation.

The retroreflective sensor is very easy to use, which is another advantage for WEG.

The "plug and play" units were installed without any need to adapt them to the application, a considerable time and cost saving time for the user.

Like most true innovations from IFM Electronic the new sensor comes at a much more attractive price than other dedicated clear object sensors.

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