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Editor's Pick


Smart sensor for IoT

20 July 2018

Balluff's new BOS 21M ADCAP intelligent sensor is designed to form help the basis for information gathering upon which the Industry 4.0 environment is based.

The versatile all-rounder uses red light and has four sensor modes to choose from: background suppression, energetic diffuse, retroreflective or through-beam sensor. All the sensor functions can be configured over IO-Link while the system is running, so that a remote teach-in can be initiated by the controller.

In addition the sensor detects actual operating conditions, collects and processes information and provides far more data than just the switching signal over IO-Link. Detection signals are prepared and pre-processed in the sensor. This relieves the burden on the system controller and reduces data volume on the fieldbus systems.

Comprehensive, smart diagnostics functions provide important information such as life expectancy, operating hours and function reserve. Increasing amount dirt deposits, sensor misalignment, setting errors or other irregularities can then be reliably detected early by monitoring the emissivity values as a measure of the sensor signal quality. But when it comes to operating security this intelligent sensor offers even more. The BOS 21M ADCAP is the first to optically monitor the output of the emitter LED directly and to determine the "stress level" by means of the sensor interior temperature and the supply voltage.