This section provides an overview for inductive proximity sensors as well as their applications and principles. Also, please take a look at the list of 9 inductive proximity sensor manufacturers and their company rankings.
Table of Contents
An inductive proximity sensor uses magnetic force to open and close switches without contacting the object to be detected.
The main types are reed switches, vall elements, and magnetoresistive element-based methods. Features of these sensors include non-contact detection, easy adjustment of the detection distance (by increasing the magnetic force), no mutual interference, long life, and small size.
Depending on the housing, it can be used in environments where other sensors cannot be used, such as dust, heat, and vibration. It is also possible to detect through non-ferromagnetic materials such as wood and plastic.
Inductive proximity sensors are used to detect the opening and closing of automatic doors, windows, cages, etc., and are used in security applications.
In factories, magnetic proximity sensors are used in a variety of industrial machines, such as for position detection in assembly lines, detection of shelves in automatic warehouses, position detection in industrial sewing machines, and position detection of cassettes in copy machines.
In recent years, they have been used to guide AGVs to their destinations by installing magnets on the factory floor and detecting the magnetic force with magnetic sensors.
The principle of magnetic proximity sensors mainly includes reed switches, hall elements, and magnetoresistive element-based methods.
Each is explained below:
*Including some distributors, etc.
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Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.
Pepperl+Fuchs, Inc. was founded in Mannheim, Germany in 1945 developing the forerunner of the proximity switch. Pepperl+Fuchs continues to develop proximity sensors as well as other industrial sensors including ultrasonic sensors, rotary encoders, positioning systems, display and signal processing, vibration monitoring, industrial communication, and signal processing as well as related accessories and software. Explosive protection products include safety barriers, surge protection, wireless solutions, HMI systems, power supplies, electrical explosion protection equipment, level measurement, and related software.
AutomationDirect.com was founded in 1994 to provide solutions for the industrial automation market and has been growing its list of offerings ever since. AutomationDirects’ extensive catalog includes individual components such as cables, various controls, I/O devices, relays, gauges, fittings, and sensors to complete systems. Many parts and devices, especially PLC units are customizable. AutomationDirect.com also provides support via video instructions, online manuals, a learning library, an active community forum to further assist customers.
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