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Pepperl+Fuchs Blog

How Are Photoelectric Fork Sensors Different from Normal Thru-Beam Sensors?

Posted by Tom Corbett on Fri, Aug 26, 2016

Fork sensors—when one housing is better than two

Fork sensors, also called fork type sensors or slot sensors, have a unique U shape similar to that of a tuning fork. But don’t be fooled by their name or shape—these are photoelectric sensors that work with light rather than sound. A photoelectric fork sensor is a type of thru-beam sensor with an emitter and receiver facing each other. But instead of the emitter and receiver existing apart from one another as two separate sensors, they are both contained together in the same housing. This one-piece design aligns the optical axis, and with the emitter and receiver perfectly aligned, you get higher switching speeds and better reliability. Finally, since this housing needs only one electrical connection instead of two, the sensor is simpler to install and more cost-effective.

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Comparing 3 Different Types of WirelessHART Adapters

Posted by Sabrina Weiland on Fri, Aug 19, 2016

When to use which WirelessHART adapter?

Transmitting small amounts of data over long distances is one of the challenges in process plants. With WirelessHART technology, this can be done efficiently: communicating field signals wirelessly saves time and reduces costs while enabling consistent and safe communication between the field and control side—even in large-scale plants.

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Topics: HART

Cable Pulls-7 Ways They Pull Their Weight for Rotary Encoders

Posted by Patricia Stafford on Fri, Aug 05, 2016

While many applications use rotary encoders with shafts to monitor rotational speed, some situations call for a different solution—the use of a cable pull.

What all cable pulls have in common is that they are devices that, when used together with rotary encoders, provide precise linear measurements. They are ideal tools for applications where you need information on linear displacement feedback. Cable pulls have a lot to offer when it comes to mobile equipment (including cranes and forklifts), conveyor systems in material handling, safety switches, wind turbines, elevators, and more. 

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Topics: Rotary Encoders

Combining Explosion Protection Techniques to Reach Success

Posted by Alex Dzatko on Fri, Jul 29, 2016

Integrating complex electrical systems and components into hazardous areas typically requires combining different methods of industrial explosion protection to achieve a safe and certified solution. Our Solution Engineering Centers have the ability and the experience as a system integrator for solutions going into Zone 1 and 21 or Zone 2 and 22 areas. Our ATEX and IECEx certificates offer great flexibility, allowing  unique solutions for the challenges of putting complex electrical equipment in hazardous locations around the world.

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Topics: Purge/ Pressurization Systems, Approvals/ Certifications, Explosion Protection Equipment

Ask an Expert Industrial Sensors - Episode 19

Posted by John Appleson on Fri, Jul 22, 2016

This episode of Ask an Expert for industrial sensors examines and provides answers to interesting sensing questions we've received from customers just like you. We explore and answer these questions:

1. Can the inductive sensor NJ6-F-N operate at -40 °C?
2. How far can a target reflector move sideways before a photoelectric sensor can't read it anymore?
3. Do you have distance sensors compatible with EtherNet/IP and ControlLogix Safety PLC?
4. What sensors could sense plastics and metals through a plastic tray?

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Topics: Inductive Sensors, Capacitive Sensors, Photoelectric Sensors, Ask an Expert, Laser Sensors, Distance Sensors, Positioning Systems

6 Reasons to Consider EV Ethernet AS-Interface Gateways

Posted by Danius Silgalis on Thu, Jul 14, 2016

when setting up AS-Interface networks

The heart of any AS-Interface network is the AS-Interface master. Below are 6 great features you should take advantage of in AS-Interface gateways.

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Topics: AS-Interface

Anti-Swing Software and Inductive Sensors Raise Your Mobile Equipment to a Higher Level

Posted by Patricia Stafford on Thu, Jul 07, 2016

Controlling the motion of cranes, hoists, and other mobile equipment while avoiding accidents is a vital part of ensuring their safe and efficient operation. Vertical lift applications can be trickier and pose greater risks than working with horizontal conveyor belts, which tend to be more steady and predictable.

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Topics: Inductive Sensors, Applications, Inclination Sensors, Positioning Systems

Remote Access and Control for Industrial Workstations Using VNC

Posted by Patricia Stafford on Thu, Jun 30, 2016

Process challenges that lead to system integration

When industrial workstations are located in a hazardous area, you often need to invest in training for qualified personnel who must comply with safety guidelines as well as deal with the physical layout and restrictions of facilities that include hazardous areas. Investing in equipment that likewise meets the challenges of the hazardous area is a must.

It's rather time consuming to walk back and forth between the production area and the control room to access a local HMI system. It's much more efficient and convenient to monitor control room functions locally, right inside the process area, using properly certified equipment that is rugged enough to withstand the tough environments external to the control room. Being closer to the process empowers you with greater control and monitoring capabilities in real time.

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Topics: Industrial Monitors/ HMI

The Swiss Army Knife of Photoelectric Sensors

Posted by Hunter Cain on Fri, Jun 24, 2016

When automation applications call for noncontact object detection, photoelectric sensors offer many solutions.

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Topics: Photoelectric Sensors

What Are the Differences Between the 3 Vents for the 5500 Type Z Purge and Pressurization System?

Posted by Brent Dean on Fri, Jun 17, 2016

When using the 5500 Type Z purge and pressurization system, you are given 3 vent options to choose from.  This gives you the option to choose a vent based on the needs of your application. The 3 models are:

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Topics: Purge/ Pressurization Systems

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