Capacitive proximity sensors - 12 Pages

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Catalogue excerpts

Capacitive Proximity Sensors Threaded Body Introduction Technical Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Threaded Body Sensors Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Smooth Body Smooth Body Sensors Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unless otherwise noted, the products contained in this section should not be used for functional safety applications. These products were not designed or tested to IEC 60947-5-3 or recommended for functional safety. Learn Online 4 4 4 4 4 4 4 4 4 4 4 4 4 4 For Customer Service in the U.S. call 1-877-ETN CARE (386-2273), in Canada call 1-800-268-3578. For Application Assistance in the U.S. and Canada call 1-800-426-9184. Volume 8—Sensing Solutions CA08100010E—February 2015 www.eaton.com

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Capacitive Proximity SensorsIntroductionTechnical Reference Capacitive Proximity Sensors Capacitive proximity sensors are designed to detect both metallic and nonmetallic targets. They are ideally suited for liquid level control and for sensing powdered or granulated material. Strengths and Weaknesses Consider these strengths and weaknesses of the capacitive proximity sensor: Capacitive Proximity Sensor Attributes Attributes Strengths Can detect both metallic and nonmetallic objects at greater ranges than inductive sensors High switching rate for rapid response applications (counting) Can detect...

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Capacitive Proximity Sensors Introduction Operation of the Capacitive Proximity Sensor A capacitor consists of two metal plates separated by a insulator (called a dielectric). The operation of this type of sensor is based on dielectric capacitance, which is the ability of a dielectric to store an electrical charge. The distance between the plates determines the ability of the capacitor to store a charge. Measuring the change in capacitance as an object enters the electrical field can be used as an ON/OFF switching function. Capacitor Operation Plates Capacitive Proximity Sensor Operation 4 4 4...

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Capacitive Proximity SensorsIntroduction Capacitive Proximity Sensor Influences Many of the same factors that influence the sensing range of inductive proximity sensors, also influence the sensing range of capacitive proximity sensors. Environment Many of the same factors that affect inductive proximity sensors, also affect capacitive sensors, only more so. Typically, capacitive sensors have a greater sensing range than inductive sensors. Sensing distance for capacitive proximity sensors is dependent on plate diameter. With inductive proximity sensors, the size of the coil is the determining factor. Typical...

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Introduction Smooth Body Capacitive Proximity Sensors Product Selection Guide Threaded Body Capacitive Proximity Sensors Overview These self-contained devices will detect both metallic and nonmetallic targets. A full threaded housing provides ease of mounting. Applications Liquid level control Nonmetallic targets Product Features 18 and 30 mm diameters with threaded housing Shielded and unshielded sensing Two-wire AC—20 to 250V Three-wire DC—10 to 30V, NPN and PNP 2-meter PVC cable or 4-pin micro-connector Short circuit and reverse polarity protected (DC models) LED indicator Sensitivity adjustment Overview...

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Capacitive Proximity Sensors Threaded Body Sensors Threaded Body Sensors Threaded Body Sensors Product Selection E53 Threaded Body Sensors . . . . . . . . . . . . Compatible Connector Cables . . . . . . . . . . Technical Data and Specifications . . . . . . . . . . Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . Threaded Body Sensors Product Description Type E53 Capacitive Proximity Sensors from Eaton’s electrical sector are self-contained devices designed to detect both metallic and nonmetallic targets. They are ideally...

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Threaded Body Sensors Product Selection E53 Threaded Body Sensors Two-Wire Sensors Operating    Sensing Shielding    Connection Type NO Output Catalog Number NC Output Catalog Number 3-pin micro AC connector Unshielded    2-meter cable 3-pin micro AC connector Unshielded    2-meter cable Three-Wire Sensors Operating    Sensing Voltage    Range (Sn)    Shielding    Connection Type NO Output    NC Output Catalog Number    Catalog Number 4-pin micro DC connector Shielded (PNP)    2-meter cable 4-pin micro DC connector 0.59    in    (15 mm)    Unshielded (NPN)    2-meter cable 4-pin micro DC connector...

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Capacitive Proximity SensorsThreaded Body SensorsCompatible Connector Cables Standard Cables 12 Current Rating Voltage    Number    Pin Configuration/Wire Colors at 600V    Style    of Pins    Gauge    Length    (Face View Female Shown)    Catalog Number Technical Data and Specifications Threaded Body Sensors Maximum load current Switching rate Circuit protection Lights when output is ON Ambient temperature range Enclosure ratings Sensitivity adjustment 250 operations per second Short circuit and reverse polarity Lights when output is ON -13° to 158°F (-25° to 70°C) NEMA 1, 2, 3, 3S, 4, 12, 13...

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