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Pepperl+Fuchs Blog

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

Configuring the UC-F77 Ultrasonic Sensor with PACTware Software

Posted by Eric Miller on Tue, Aug 08, 2017

Our UC-F77 ultrasonic sensor is easy to set up and program using PACTware Connection Wizard software. In the video below, I'll show you how to configure the sensor and also demonstrate some of its unique features. One of my favorite new features is that it solves a common problem for ultrasonic sensors: It allows suppression of echoes from false targets.

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Topics: Ultrasonic Sensors

Synchronizing Multiple Ultrasonic Sensors

Posted by Sam Horn on Mon, Apr 10, 2017

Ultrasonic sensors are non-contact devices used for object detection or level measurement. They operate on the principle of sound traveling through a medium, where a transducer emits a sound wave at a specific frequency. Based on the time it takes the reflected sound pulse to reach the transducer, the sensor’s internal logic determines if the object is within the nominal sensing range and generates an output signal.

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Topics: Ultrasonic Sensors

Ask an Expert Industrial Sensors Episode 23

Posted by John Appleson on Mon, Mar 20, 2017

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 load does a proximity switch need to sense for bench testing?
  2. Does the SJ5-N inductive slot sensor need an intrinsic safety barrier?
  3. Should I use a fiber optic sensor for injection molded parts detection?
  4. Are the components in an AS-Interface circuit board module epoxy encapsulated or sealed?
  5. Do you have a handheld solution to identify nonworking RFID tags?
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Topics: Ultrasonic Sensors, AS-Interface, Photoelectric Sensors, Ask an Expert, RFID

4 Key Attributes for Selecting Ultrasonic Sensors

Posted by Austin Phillips on Fri, Mar 03, 2017

Every sensing technology has its own set of unique capabilities that allow it to perform reliably in certain areas. In dirty environments, a photoelectric sensor’s light beam may fail to return to the receiver due to a covered lens or reflector. However, ultrasonic sensors thrive in dirty and dusty environments, since sound waves are unaffected by dust particles floating in the air or adhering to the sensing face. Industries that commonly use ultrasonic sensors include agriculture, food and beverage, and packaging. The following key attributes will help you select the right ultrasonic sensor for your application.

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Topics: Ultrasonic Sensors

Ask an Expert Industrial Sensors Episode 22

Posted by John Appleson on Fri, Jan 20, 2017

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. Do you have non-incendive inductive proximity sensors?
  2. Diffuse mode photoelectric sensors - what are the adjustment ranges?
  3. Do you have a steel-sensing sensor that can withstand temperature extremes, shock, and vibration?
  4. Can the inductive sensor NJ8-18GK-SN be ordered with terminal connections instead of leads?
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Topics: Ultrasonic Sensors, AS-Interface, Photoelectric Sensors, Ask an Expert, RFID

Ask an Expert Industrial Sensors - Episode 21

Posted by John Appleson on Fri, Oct 07, 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. Where can I find the add-on instructions for an industrial RFID controller?
2. How do I set the time delay function on a background suppression photoelectric sensor?
3. Is there interface software to view an AS-Interface network via a laptop or PC?
4. Can I swap out a photoelectric sensor for an ultrasonic sensor in a dusty paper mill application?

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Topics: Ultrasonic Sensors, AS-Interface, Photoelectric Sensors, Ask an Expert, RFID

4 Different Ways to Program Your Ultrasonic Sensor

Posted by Kamden Payton on Fri, Sep 16, 2016

When working with ultrasonic sensors, programming the sensor is a crucial part of any application. No matter the application, an ultrasonic sensor must be programmed to fit your specific need. Without doing this, you will not be able to use the sensor to its full potential or even set the distance at which it will work. Customers often inquire about how to set a switching distance, incorporate a blind zone, or even change the limits of their analog signal; when questions like this arise, programming is the answer and the cornerstone of any ultrasonic application.

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Topics: Ultrasonic Sensors, Software

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

Why You Should Use Ultrasonic Sensors for Double Sheet Detection

Posted by Valeria Morales on Thu, Nov 19, 2015

Double sheet detection involves ultrasonic thru-beam sensors, consisting of an ultrasonic emitter and receiver with integrated evaluation algorithms optimized especially for these applications:

  • Misfeed detection
  • Label counting
  • Splice detection
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Topics: Ultrasonic Sensors

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