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Pepperl+Fuchs Blog

How to Wire a Proximity Sensor to a PLC

Posted by Sam Horn on Tue, Sep 18, 2018

Connecting a proximity sensor to a PLC can be a daunting task at first glance. For one thing, there is no universal way to connect sensors. The process varies depending on the sensor and input module used in the configuration.

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Topics: PLC, proximity sensors

Don't Treat a NAMUR Sensor like a Standard Sensor

Posted by Sam Horn on Mon, May 21, 2018

On quick visual inspection, a 2-wire NAMUR sensor looks the same as a standard 2-wire DC sensor. But do not confuse the wiring connections between these two types of sensors. On the inside, NAMUR sensors have different circuitry than standard 2-wire DC sensors and need special treatment.

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Topics: Inductive Sensors

Taking the Complexity out of Industrial Vision

Posted by Sam Horn on Mon, Apr 09, 2018

Is it possible to meet every requirement of an application with a single solution? It all depends on the complexity of the application. Simple applications may only need simple digital-output sensors to detect the presence or absence of a target. But what about demanding applications that involve flaw detection, high-speed target inspection, precise positioning, profile comparison, or some combination of the above?

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Topics: Industrial Vision

IO-Link for Industrial Sensors: Be Proactive, Not Reactive

Posted by Mitch Phillians on Thu, Feb 08, 2018

Are unexpected issues often determining your schedule? Have you recently had to push back a project because of recurring problems? Having to respond to unplanned issues may seem like an inevitable cost of doing business, but it is becoming harder and harder to settle for a reactive approach to plant management and remain competitive at the same time.

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Topics: Inductive Sensors, Ultrasonic Sensors, Photoelectric Sensors, Software

Bluetooth® Beacon Technology for Indoor Navigation

Posted by Alexander Maertens on Mon, Jan 29, 2018

Relying on GPS positioning inside buildings is difficult due to obstruction of the satellite signal. Bluetooth beacons are ideal for indoor positioning and have enjoyed significant market growth in recent years. As a result, Bluetooth beacons have become the industry standard for indoor navigation use and are supported by most mobile devices.

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Topics: Intrinsically Safe Mobile Devices

3 Ways to Detect a Splice with Ultrasonic Sensors

Posted by Eric Miller on Fri, Jan 19, 2018

Large paper, plastic, textile, and sheet-metal rolls typically consist of multiple segments that are connected or spliced together. When the roll is unspooled and transformed into the finished product, these splices must be identified and removed. Depending on the spooled material’s properties, different sensors are required to detect the splice and stop the feed.

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Topics: Ultrasonic Sensors

Temperature Compensation on Ultrasonic Sensors

Posted by Eric Miller on Fri, Dec 01, 2017

The speed of sound depends on ambient temperature. As temperature rises, the speed of sound increases. As it gets colder, the speed of sound decreases. For ultrasonic sensors, this variance can affect accuracy, since a faster or slower echo return will make a stationary target appear closer or farther away.

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Topics: Ultrasonic Sensors, Software

Using a Mobile Phone or Tablet in Potentially Explosive Environments

Posted by Lisa Kreis on Fri, Oct 13, 2017

Nowadays it is hard to deny that many workers around the world have disengaged themselves from the shackles of their desktop computers and are able to use their mobile smartphone or tablet.

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Topics: Intrinsically Safe Mobile Devices

How to Assemble a Linear Encoder Shield Housing for PosiTrack System

Posted by Gerry Paci on Fri, Sep 29, 2017

The PosiTrack Shield is an accessory upgrade for our PosiTrack absolute position linear encoder. You can use the PosiTrack read head for absolute positioning of conveyor vehicles, vertical lifts, or indoor cranes. By adding the PosiTrack Shield, applications in harsh outdoor environments like offshore installations (ships, ports, harbors) or outdoor cranes are no problem.

The Shield's IP69 rating also serves to shelter the read head in high-pressure washdown areas. With integrated heating, temperatures as low as -40 °C keep the read head operating efficiently. The Shield is also downward compatible with current PosiTrack installations.

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Topics: Troubleshooting, Positioning Systems

Pepperl+Fuchs in Katy Texas Weathers Hurricane Harvey and a Tornado

Posted by Kristen Barbour on Mon, Aug 28, 2017

On Friday, August 25th, Hurricane Harvey hit the South Texas coast. Consequently, the storm front struck our new manufacturing and warehouse building in Katy, Texas. High wind from a hurricane tornado damaged our roof structure, pulling air handling units from the roof and allowing water to enter the building.

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Topics: Purge/ Pressurization Systems, Industrial Monitors/ HMI, Explosion Protection Equipment

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