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Pepperl+Fuchs Blog

Industrial Sensors: Differences between No-load Supply Current and Load Current

Posted by Tim Cicerchi on Wed, Apr 02, 2014

The current consumption of an industrial sensor is a very important consideration. Knowing the current consumption of all your devices on a machine allows you to size wire properly and pick the right power supply for the application.

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Topics: Applications, Troubleshooting, AS-Interface, Power Supplies

Sensing Clear Objects with Photoelectric Sensors

Posted by Tom Corbett on Mon, Mar 03, 2014

Sensing or counting clear objects using a standard photoelectric sensor can be difficult.  That’s because standard photoelectric sensors are not sensitive enough to detect the small attenuations in light that clear objects cause.  To accurately sense glass or plastic bottles, clear packaging, or even transparent films, Pepperl+Fuchs offers special wide-beam diffuse sensors and also advanced retroreflective models, designed specifically for sensing clear objects.

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Topics: Applications, Photoelectric Sensors

Ultrasonic Sensors for Automated Spray Control

Posted by Marcel Ulrich on Tue, Feb 25, 2014

Car wash automation

In automated wash processes, the large dimensional disparity between subcompacts, low-riding sports cars, and large pick-up trucks makes it difficult to effectively clean vehicles with a fixed-position spray system.

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Topics: Applications, Ultrasonic Sensors

Factory Automation Isn’t Only on the Factory Floor

Posted by Joan Kassan on Mon, Jan 06, 2014

Automation. When we hear the word we typically think of manufacturing, factory automation, and process control. But automation has made its way into our daily lives so that without realizing it, we've become accustomed to it. And we're at a definite disadvantage when it's not available.

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Topics: Applications, Ask an Expert

What Does the IP Rating on an Industrial Sensor Data Sheet Indicate?

Posted by Sean Miller on Tue, Dec 03, 2013

How do you use this rating to select a sensor?

If you have ever looked at all the data sheet specifications listed for a Pepperl+Fuchs industrial sensor, typically you will see a section labeled “protection degree” under the mechanical specifications section. This rating defines how well the sensor will be protected from contact with dust and water.

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Topics: Terminology, Applications

6 Industrial Sensors for High-Temperature Applications

Posted by Zach Steck on Tue, Sep 17, 2013

Many industrial applications require a sensor that can withstand exposure to high temperatures without becoming damaged. We offer a variety of sensing options for harsh environment installations. In this post, we will take a look at the different industrial sensor options available for high-temperature applications.

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Topics: Inductive Sensors, Applications, Ultrasonic Sensors, Photoelectric Sensors

Ultrasonic Sensors - Which Mode is Best for My Application?

Posted by Zach Steck on Tue, Sep 10, 2013

Many of our ultrasonic sensor models can function in various operation modes. The modes available are determined by the model and output type of the sensor. Let’s take a look at some applications and determine which mode is best suited for that process:

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Topics: Applications, Ultrasonic Sensors

The Basics: Capacitive Sensors and Dielectric Constants

Posted by Zach Steck on Tue, Aug 27, 2013

How does the dielectric constant of my material affect my capacitive sensor?

Capacitive sensor basics

Capacitive proximity sensors are a noncontact option capable of detecting both metal and nonmetal targets.  These sensors react to changes in capacitance caused by the presence of these targets.  Capacitive sensors are available in cylindrical as well as surface mount housings and provide a sensing range from 1 mm to 50 mm.  Many of these models feature a sensitivity adjustment potentiometer that allows the user to fine-tune the sensor to a specific application.  

Capacitive sensors are commonly used for sensing targets such as plastics, liquids, powders, and granular materials.  If chosen correctly, a capacitive sensor is able to sense through nonmetallic objects to detect a target behind them.  This ability is very useful in level measurement applications when sensing a liquid or granular material through a container wall.

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Topics: Capacitive Sensors, Applications

Safety Encoders — the Next Step in Creating Safer Machines

Posted by Helge Hornis on Thu, Aug 01, 2013

Rotary encoders with integrated functional safety

Historically, functional safety was based on an all-or-nothing approach. If safety devices such as e-stops, door switches, and light curtains were in the released state, the machine was running. When you pushed an e-stop or interrupted a light curtain, the machine shut down.

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Topics: Rotary Encoders, Applications, AS-Interface

When Would I Need an Optical Data Coupler?

Posted by Zach Steck on Wed, Jul 10, 2013

Optical data couplers provide a wireless data transfer over long distances using light.  These data transmission systems allow bidirectional communication through pulse-modulated light beams.  The modulated light transfers digital signals that are monitored by a receiver that outputs the data accordingly. 

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Topics: Applications, Photoelectric Sensors

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