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Slack Chain Detection
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Slack Chain Detection

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Transcript

  • 1. SlackSlack -- Brocken Chain DetectionBrocken Chain Detection4B Components, Ltd.4B Components, Ltd.
  • 2. WDA High Temperature Sensor(HTAS1V34)WDA Sensor(WDA3V34C)
  • 3. Speed Relay
  • 4. Target or Bolt – 3/8” Diameter1 – 3”WDA - High PowerReluctance SensorSensitivityAdjustmentLEDSpeed RelayContacts change statewhen sensor stopsdetecting target or bolt.Plastic PaddleSteel FlightOPTION 1Sensor Detecting Bolt Installed on the PaddleUnder normal running conditions, the target boltpasses through the sensor’s field and a pulse is sentto the speed relay. If the chain becomes slack, thetarget bolt will drop below the field and the pulseswill stop, causing the relay contact to change state.LED
  • 5. OPTION 2Sensor Detecting Steel FlightUnder normal running conditions, the steel flightpasses through the sensor’s field and a pulse issent to the speed relay. If the chain becomesslack, the steel flight will drop below the field andthe pulses will stop, causing the relay contact tochange state.To Speed Relay1 – 3”
  • 6. OPTION 3Sensor Waiting to Detect Steel FlightUnder normal running conditions, the steel flightis out of the sensor’s field, so no pulses are sentto the speed relay. If the chain becomes slack,the steel flight comes into the sensor’s field and apulse is sent to the speed relay, causing it tochange state.To Speed Relay1”1 – 3”
  • 7. Thank You!Thank You!www.go4b.comwww.go4b.com

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