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

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

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

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