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Pepperl+Fuchs Blog

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

Ask an Expert Industrial Sensors - Episode 18

Posted by John Appleson on Fri, Jun 10, 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 NJ40+U4+W inductive proximity switches be run in series?
2. Does the NBB4-F1-E0 inductive sensor come in a different Hz to eliminate mutual interference?
3. Do you have beam benders for photoelectric sensors?
4. Looking for a Class I, Div.1 inductive sensor that does not need an IS barrier...
5. Do you have a wire-draw displacement sensor?

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Topics: Rotary Encoders, Inductive Sensors, Photoelectric Sensors, Ask an Expert

Ask an Expert Industrial Sensors - Episode 17

Posted by John Appleson on Fri, May 06, 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. Motion detection sensor RMS-M-NA. Could this sensor be used to detect people in an area of a museum?
2. Can the capacitive sensor CJ40-FP-A2-P1 survive in a vacuumized vessel?
3. What is the Teach-in cable for the ultrasonic sensor UB100-F77-E2-V31, and how is it used?
4. Can you use an incremental rotary encoder with a higher PPR to replace one with a lower PPR?
5. What is the life expectancy of an inductive sensor in an outdoor, humid environment?

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Topics: Rotary Encoders, Inductive Sensors, Capacitive Sensors, Ultrasonic Sensors, Photoelectric Sensors, Ask an Expert

Ask an Expert Industrial Sensors: Episode 16

Posted by John Appleson on Fri, Mar 18, 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. Replacing a diffuse mode photoelectric sensor that is tied to an AS-Interface module.
2. Do you have MTTF data for the NMB1.5-8GM35-E0-FE inductive sensor?
3. Can diffuse mode sensors be used to detect metal drums in a hazardous area?
4. How to choose the correct power supply for RFID control interface unit IC-KP-B17-AIDA1?
5. Where on your website can I download AS-Interface system wiring guidelines and connection diagrams?

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Topics: Inductive Sensors, Cables/ Cordsets, AS-Interface, Photoelectric Sensors, Ask an Expert, RFID

Ask an Expert Industrial Sensors: Episode 14

Posted by John Appleson on Thu, Dec 17, 2015

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. Inductive ring sensor RJ21-E2 - is there a reduction factor for aluminum targets, or is it for ferrous targets only?
2. Is there a minimum mounting distance between WCS positioning system read heads?
3. Do you have a photoelectric sensor that can be installed outdoors in temperatures down to -40 °C?
4. Is there a proximity sensor that will detect steel, but not aluminum?

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Topics: Inductive Sensors, Photoelectric Sensors, Ask an Expert, Positioning Systems

Ask an Expert Industrial Sensors-Episode 12

Posted by John Appleson on Thu, Sep 10, 2015

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. How to configure the AS-Interface VAS-2A-K12 safety monitor with a SLC ASI master card for a SLC 5/03 CPU (Allen-Bradley)?
  2. Do you have cabling that can connect to an ML7 series photoelectric sensor at a distance?
  3. How to program the UB1000-18GM75-I-V15 ultrasonic sensor?
  4. Can the inductive sensor NCB10-30GM40-N0-5M be used in offshore or marine applications?
  5. Will the NBN40-L2-E2-V1 inductive sensor be 100% reliable in high humidity/ water spray areas?
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Topics: Inductive Sensors, Ultrasonic Sensors, AS-Interface, Photoelectric Sensors, Ask an Expert

Ask an Expert Industrial Sensors - Episode 11

Posted by John Appleson on Thu, Jul 23, 2015

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. How do I get a narrower sound cone on an F260 series ultrasonic sensor?
  2. Is AS-Interface "data decoupling" the same as "filter integrated"?
  3. Can I use a diffuse mode photoelectric sensor to detect marks on a steel rivet?
  4. What is the output stage used for on an inductive sensor?
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Topics: Inductive Sensors, Ultrasonic Sensors, AS-Interface, Photoelectric Sensors, Ask an Expert

Photoelectric Sensors: A Contrasting View

Posted by Patricia Stafford on Thu, Jul 09, 2015

What is a contrast sensor?

Contrast sensors have the ability to reliably distinguish between two different colors. They are also called print mark or registration mark sensors. These sensors are good for applications such as verifying the presence of a weld seam, confirming that a label has been placed on a package, and detecting registration marks. Basically, these sensors indicate whether a contrast between two taught-in colors is seen or not seen.

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Topics: Photoelectric Sensors

Ask an Expert Industrial Sensors - Episode 10

Posted by John Appleson on Fri, Jun 19, 2015

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. What lengths of WCS absolute linear encoder system rails are available, and how do they connect?
  2. We are designing a cargo door locking system that has to be tamperproof. Would RFID technology work for this application?
  3. I was planning to use photoelectric sensors for people detection in a specific area. Which photoeye should I use?
  4. How do the wires connect in cable connector 42308C?
  5. How do I incorporate an AS-Interface network into an Allen-Bradley PLC?
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Topics: AS-Interface, Photoelectric Sensors, Ask an Expert, RFID, Positioning Systems

Photoelectric Sensors: 5 Things You Need to Know

Posted by Nick Ferguson on Thu, Jun 11, 2015

Photoelectric sensors are a great choice for packaging, material handling, automotive, and many other applications. They use a light emitter, a light receiver, and a lens for detection. Photoelectric sensors are often the go-to sensor, when an inductive sensor does not fit the application. They are incredibly useful for detecting a variety of objects, but it is important to be aware of their limitations.

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Topics: Ultrasonic Sensors, Photoelectric Sensors

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