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Sensors

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Sensors Sensors Presentation Transcript

  • Optical – Induc CapacitiveThrough-beam tiveOptical – Retro- Reedreflective switch Symb olsOptical - InductiveDiffuse magnetic
  • Transmitte Receiverr
  • Transmitte Receiverr
  • Targ etTransmitte Receiverr
  • Transmitte Receiverr
  • Transmitte Receiverr
  • Transmit Receivter er
  • Transmit Receivter er
  • Transmit Receivter er
  • Transmitte Receiverr
  • Transmitte Receiverr
  • Targ etTransmitte Receiverr
  • TTransmitter R/Receiver Reflector (prismati c)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismati c)
  • Optical sensors (Retro-reflective)Type : Retro reflective Target T Transmitter R /Receiver Reflector (prismatic )
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • TTransmitter R/Receiver Reflector (prismatic)
  • Optical sensors (Diffuse)Type : Diffuse
  • Optical sensors (Diffuse)Type : Diffuse Target T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • Optical sensors (Diffuse)Type : Diffuse T Transmitter R /Receiver
  • High frequency magneticfield (300 to 800 kHz) Active surface Resonant circuit coil LED indicator Connection cable
  • Targ etSensorOscillationAmplitudeSens ONor OFFoutp
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • TargetSensorOscillationAmplitudeSensor ONoutputsignal OFF
  • Glass Tube filled Reed LEDwith nitrogen contact indicator s
  • Reed switch
  • Reed switch
  • 24v
  • 24v
  • Connection Resonant High LEDcable circuit coil frequency Indicator magnetic field
  • Sensor is looking Electrostaticfor a change in fieldcapacitance in the Activeactive field surface Active electrode Earth electrode LED indicator Adjusting screw Connection cable
  • Target
  • Sensor is adjusted sothat it does not ‘see’the wall of thevessel.
  • As the levelrises the fluidaffects thesensor field.
  • Until thesensorswitches.
  • • Potentiometers (Pots)
  • Optical Rotary Encoders:
  • •Disadvantages:
  • Inducti ve Capaci+ 18 to 30 VoltsDC. tive Opti Output cal Magn etic Ultra sonic0V Normall y open Normally closed
  • Capacitive Sensor with Normally open function+ 18 to 30 VoltsDC. Output0V
  • Sensor connection
  • Sensor connection 24v DC + 18 to 30 Volts DCPNP Type• Output is Positive Output• Positive switching 0V 0v
  • Sensor connection 24v DC + 18 to 30 Volts DCNPN Type• Output switches Outputthrough to 0v• Negative switching 0V 0v