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Pepperl+Fuchs Blog

Finding the Model Number on Your Inductive Sensor

Posted by Eric Miller on Thu, Oct 01, 2015

One of the most important parts of integrating an inductive sensor into an application or ordering replacement parts is being able to identify the part and model number of the sensor. That is why knowing how to find the model number on your inductive sensor is so important. This is actually a fairly simple and straightforward process.

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Topics: Terminology, Inductive Sensors

Industry 4.0 Comes to Hannover Fair 2015

Posted by Patricia Stafford on Wed, Apr 01, 2015

The Internet of Things is an up-and-coming technology which is set to transform the way we live. Simply put, it allows machines to communicate directly with each other over the Internet. This connection between machines will lead to greater convenience and efficiency based on a more rapid exchange of information. Everyday examples might include a car telling a garage door when to open or close, a stove turning itself on to boil a pot of tea that will be ready for you when you come home from work, a timer setting thermostats, and your refrigerator letting you know when you’re running low on groceries.

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Topics: Terminology, Ultrasonic Sensors, HART, Photoelectric Sensors, Hazardous Area Enclosures/ Equipment, RFID

Spiff Up Your Cubicle with our Hazardous Locations Wall Chart

Posted by Robert Schosker on Wed, Jun 25, 2014

Tired of so many different hazardous location wall charts lining your office walls? One for NEC, then one for ATEX, then another one for IECEx, and yet still another for SIL. Just like with most business, it helps when you can one-stop shop; find everything you need at a single supplier. Shouldn’t getting the information you want about hazardous locations be the same?

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Topics: Terminology, Intrinsic Safety

Can Cyber Physical Systems Simplify PLC Logic?

Posted by Helge Hornis on Wed, Jun 18, 2014

I should start by mentioning that Pepperl+Fuchs has the pleasure of working with automation engineers every day. They build incredible machines by reducing the most complex problems into a number of simpler tasks. Those tasks are automated, put in sequence, and at the end, they ship a machine that transforms raw material or small components into our everyday items. But, there is one aspect of such machines that is frequently overlooked: diagnostics.

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Topics: Terminology, RFID

What in the World are Cyber-Physical Systems?

Posted by Peter Adolphs on Tue, Mar 04, 2014

If you scan the Internet for the term Cyber-Physical Systems (or CPS) you will find many contributions discussing topics from mobile phones to time-aware software. CPS are objects that bring the physical (i.e., hardware) together with the computational world. In that sense, a modern car is an application of a CPS.

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Topics: Terminology, RFID

AS-Interface - What is Bit Time?

Posted by Helge Hornis on Tue, Jan 21, 2014

In communicating systems, bit time is the time it takes for one data bit to be injected into a given network.  The main advantage of the bit time concept is that it makes discussions concerning network response times and delays quite easy; in fact, time independent.

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Topics: Terminology, AS-Interface, Ask an Expert

What’s My Hazardous Area Zone?

Posted by Matt Pavlik on Fri, Jan 10, 2014

Do you need a control panel for installation in a Zone 1 or Zone 2 hazardous area? Unlike the North American Class and Division hazardous area systems, not all Zone areas are created equal.

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Topics: Terminology, Ask an Expert, Approvals/ Certifications

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

What is Virtualization and Why Should Your Company Virtualize?

Posted by Andy LaMar on Thu, Nov 07, 2013

It’s no secret that in today’s business world, we must be willing to use the latest technology if we want to maximize our growth potential and stay ahead of the competition. One such promising technology is virtualization.

You may have heard the term before, but you may not know what exactly virtualization is or the benefits it provides. And that’s why I am going to share a brief overview of this innovative technology that we here at Pepperl+Fuchs believe in.  

Virtualization gives you the ability to store all of your software and data on a single server outside of a hazardous area even when this server is connected to a thin client or group of thin clients that can be located inside a hazardous area. If a thin client in the hazardous area is damaged, your information is still secure and you can easily replace the damaged thin client. The illustration below shows a virtualized hardware system in which one thin client is outside the network, two thin clients are in good working condition inside the network, and another thin client is damaged with no adverse effect on the information it has gathered.

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Topics: Terminology, Industrial Monitors/ HMI, Software

What's the Difference Between Light ON and Dark ON Modes for Photoelectric Sensors?

Posted by Michael Turner on Tue, Jul 16, 2013

Because photoelectric sensors are available in such a wide variety of sensing modes (thru-beam, diffuse, retroreflective, etc.), the terms light ON and dark ON were introduced to better define what the sensor’s output is doing in the absence or presence of light. These terms apply only to photoelectric sensors.

Light ON (LO) means that the sensor’s output is only enabled or ON when it receives light. Otherwise, the output remains OFF. Dark ON (DO) means the opposite; when light is received, the output is OFF. The sensor’s output is only enabled or ON when it is dark or when it receives no light. See the figure below for further explanation.

Rather than using the standard convention for describing the outputs as normally open (NO) or normally closed (NC), most photoelectric sensor manufacturers specify the output behavior as being either light ON or dark ON. For most people, this method is more straightforward and easier to understand.

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Topics: Terminology, Photoelectric Sensors

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