proximity sensors
DESCRIPTION
Proximity SensorsTRANSCRIPT
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17Proximity sensors
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Sensors commonly used in automation
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Limit switches
Limit switch (LS1) in motor circuit
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If the force is removed, the lever restores its initial position by a return spring inside the limit switch
An external force is necessary to restore the lever to its initial position
Two types
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No-touch (on/off) sensors
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Inductive proximity sensors
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Shielded / Unshielded proximity sensors
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Standard Target
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Target size correction factor
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Target material correction factor
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Capacitive proximity sensors
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Standard target and dielectric constant
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Ultrasonic proximity sensors
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Photoelectric sensors
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Operational modes
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Operational modes / continued
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Applications
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Ultrasonic applications
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Ultrasonic applications / continued
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Photoelectric sensors
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Photoelectric sensors / continued
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Proximity sensors
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Proximity sensors / continued
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Proximity sensors / continued
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Proximity sensors / continued