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Pepperl+Fuchs Blog

An Inductive Proximity Sensor for Every Application

Posted by David Rubinski on Mon, Nov 11, 2019

No matter the industry, application, or metal target, Pepperl+Fuchs has an inductive proximity sensor that can provide reliable object detection. Ranging from Basic Series sensors, which combine accuracy, durability, and cost effectiveness, to the ruggedized metal face Pile Driver and Mobile Equipment Series, choosing the best inductive sensor from our broad portfolio depends entirely on the needs of your application.

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Topics: Inductive Sensors, proximity sensors

How to Rotate the Sensing Head on Pepperl+Fuchs 5-Way Inductive Sensors

Posted by Quinntin Teeling on Thu, Aug 22, 2019

The mechanical limit switch is a staple in automation. The switch detects the presence and position of objects by making direct contact with a target. But this direct contact can cause wear on the mechanical parts of the limit switch and cause reliability issues with its object detection capabilities. With limit switch style inductive sensors from Pepperl+Fuchs, non-contact sensing of targets is possible.

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Topics: Inductive Sensors, limit switch style inductive sensors

5 Applications for Reduction Factor 1 Inductive Sensors

Posted by Jacob Stefanko on Mon, Feb 11, 2019

Many industries need to use multiple metals during manufacturing and processing. However, complications can arise when different types of metals are used with standard inductive proximity sensors. If a metal is less ferrous (less magnetic), for example, a larger proximity sensor may have to be used or the sensor may have to be moved closer to the object being detected. Production must stop to exchange and/or move the proximity sensor, using up valuable time. Reduction factor 1 (R1) inductive sensors eliminate this problem and increase productivity. Here are a few of the ways they can be applied:

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Topics: Inductive Sensors

Metal Detection Using Inductive Sensors

Posted by Edwin Stoll on Thu, Sep 27, 2018

Inductive sensors are a type of proximity sensor that use an electromagnetic field to detect metal. The concept involves an oscillating electromagnetic field generated by the sensor that drive eddy currents through a metal target. This is commonly known as damping of the oscillation. When damping occurs the sensor is able to detect the change in the electromagnetic field.

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Topics: Inductive Sensors, 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

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

Does My Application Require a NAMUR Output Sensor?

Posted by Andrew Hund on Fri, Aug 25, 2017

NAMUR sensors solve the same applications that standard inductive and capacitive sensors or rotary encoders would—but they are safe to use in hazardous areas. NAMUR output sensors are ideal for applications where the presence of a volatile gas, vapor, dust, or fiber creates a possible hazard.


To prevent an explosion in hazardous areas, these sensors protect the circuit by operating at 8.2 V and less than 5 mA. These levels prevent the device from storing sufficient energy to initiate an explosion. NAMUR sensors are connected to an isolating amplifier, which limits the current and voltage to the sensor and amplifies the signal upon return.

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Topics: Rotary Encoders, Inductive Sensors, Capacitive Sensors, Applications

Ask an Expert Industrial Sensors - Episode 20

Posted by John Appleson on Thu, Sep 01, 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 NBB1.5-5GM25-E2-V3 detect non-ferrous metals? How does that affect the sensing range?
  2. An inductive sensor won't read above 500 rpm. What's the problem here?
  3. What does the fault error F-4 mean on an AS-Interface network?
  4. Does the MTT-6000 RFID reader need an antenna or read head?
  5. Do you have a capacitive sensor for high temperatures, about 150 °C?
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Topics: Inductive Sensors, Capacitive Sensors, AS-Interface, Ask an Expert, RFID

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

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

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