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Wednesday 20 November 2013

Inductive Proximity Sensor

Overview
Inductive proximity sensors operate under the electrical principle of inductance. An inductive proximity sensor has four components; The coil, oscillator, detection circuit and output circuit. The oscillator generates a fluctuating magnetic field the shape of a doughnut around the winding of the coil that locates in the device’s sensing face. When a metal object moves into the inductive proximity sensor’s field of detection, Eddy circuits build up in the metallic object, magnetically push back, and finally reduce the Inductive sensor’s own oscillation field. The sensor’s detection circuit monitors the oscillator’s strength and triggers an output from the output circuitry when the oscillator becomes reduced to a sufficient level.

Inductive Proximity Sensor:
Features:
  • Operating Voltage - 5 - 30Volts DC
  • Outputs Available - PNP / NPN in NO/ NC
  • PNP - Positive O/p Logic High
  •  NPN - Output Logic Low
  •  Application - Counters , metal Detection

ARM CODE:
For ARM Code Click Here

ATMEL Schematic:
ATMEL CODE:
For ATMEL Code Click Here

PIC Schematic:

 PIC CODE:
For PIC Code Click Here