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Smart Sensor for the Internet of Things IoT
Balluff GmbH Posted 07/17/2018
Generating, transporting and processing information are central tasks in the Industry 4.0 environment. The basis for all the information is intelligent sensors which provide the required input. With their BOS 21M ADCAP will be showing a newly developed optical multifunction sensor, the BOS 21M series.
The versatile all-rounder uses red light and lets you choose from among four sensor modes: 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.