Pepperl+Fuchs Blog

Sam Horn

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What Makes the R20x Series a Smart Choice?

Posted by Sam Horn on Thu, Feb 28, 2019

Adaptability, versatility, and efficiency are three essential components of a forward-thinking business concept. In the world of industrial automation, these help keep pace with rapidly changing technologies by driving creation of the innovative, cost-effective, versatile tools users need to complete the job. Sensors are critical to this process because they provide accurate measurement—no matter how precise it must be.

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Topics: Photoelectric Sensors

How to Wire a Proximity Sensor to a PLC

Posted by Sam Horn on Tue, Sep 18, 2018

Power supply
  • The power supply provides power to the CPU, I/O modules, and signal devices.
  • CPU (sometimes called a processor or controller)
    • A CPU (central processing unit) is essentially the brains of the operation.
    • The CPU takes data from the I/O system and processes it according to what the programmer specifies.
  • I/O system
    • I/O modules (sometimes referred to as I/O cards) can accept input signals, deliver output signals, or both
    • Input modules can accept digital or analog signals
  • Signal devices
    • Signal devices can be push buttons, sensors, or switches. In this case, we will talk about sensors">

      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 proximity 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

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

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