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  • Old School Proximity Sensor Implementation
    Most inductive proximity sensors have a set of standardized behaviors and a designer's understanding of these behaviors can lead to successful implementation while avoiding the pitfalls typically associated with these sensors. Inductive proximity sensors generate a magnetic field from
  • Operating Principles for Inductive Proximity Sensors
    Inductive proximity sensors are used for non-contact detection of metallic objects. Their operating principle is based on a coil and oscillator that creates an electromagnetic field in the close surroundings of the sensing surface. The presence of a metallic object (actuator) in the operating area
  • Proximity Sensors
    be suitable for a plastic target; an inductive sensor requires a metal target. In capacitive proximity sensors, the sensed object changes the dielectric constant between two plates. Sensing range is usually quoted relative to water. Because changes in capacitance take a relatively long time
  • Sensor Sense: Inductive sensors and resistance welding
    Inductive sensors and resistance welding Resistance welding is known to create electromagnetic interference at levels high enough to falsely trigger inductive proximity sensors. Inductive proximity detectors used near welding applications require special coil and core combinations to prevent false
  • Mechanical Damage to Inductive Proximity Switches: The Hammer Demonstration
    that their specification limits are not exceeded. In practice however, even when taking the utmost care, this cannot always be permanently guaranteed. For this reason, there is a growing interest for sensors having as wide a "misuse tolerance" as possible. This is particularly valid for inductive
  • Analog Sensing: Where and How It's Used (.pdf)
    When sensing metal objects, sometimes the standard inductive proximity sensor simply doesn't cut it. For instance when sensing a rotary cam - the oblong shape necessitates a sensor that can detect the different shapes/sizes and where the object is within the sensing range.
  • Sensor Sense: Advances in inductive sensing - Factor 1 sensors
    Inductive proximity sensors detect metal objects without touching them. Factor 1 inductive sensors have at least two coils in their design. One technique connects the first coil to an oscillator circuit while the other coil is part of an impedance circuit that controls the amplitude
  • Smarter gripping
    The addition of analog sensors to pneumatic grippers gives new intelligence about the health and well being of automated processes. A wedge-shaped target is visible in this view of a pneumatic gripper holding sheeted material. When used with an analog inductive proximity sensor, the wedge serves

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