Ring Sensor (N7R28A)

Basic Attributes

• Protection

  • IP 67

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• Max. Part Speed(m/s)

  • 35

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• Resolution of Steel Ball (Diameter)(mm)

  • 0.6
  • 0.8
  • 1
  • 1.2
  • 1.5
  • 2
  • 2.5
  • 3
  • 6

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• Electrical Connection - Plug

  • Connector: 1 x M12

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• Operating Voltage(V)

  • 10-35 DC

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• Reverse Polarity Protection

  • Yes

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• Operating Principle

  • bistable
  • dynamic
  • static

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• Short-Circuit Protection

  • Yes

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• Max. Relative Air Humidity(%)

  • 50; (Ambient temperature 70 °C)

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• Max. Voltage Drop Switching Output DC(V)

  • 2

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• Permanent Current Rating of Switching Output DC(mA)

  • 200

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• Overload Protection

  • Yes

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• Display

  • Switching status: 1 x LED, yellow

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• Nominal Voltage DC(V)

  • 8.2; (1kΩ)

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• Electrical Design

  • NAMUR
  • NPN
  • PNP

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• Materials

  • PA 12-GF30
  • Housing: PA; ring: POM

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• Current Consumption(mA)

  • < 1.2; (disabled; conductive: > 2.1)
  • value for direction of movement A : < 1.2; value for direction of movement B : > 2.1
  • < 11
  • < 20

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• Electrical Connection

  • Cable: 0.15 m; 2 x 0.14 mm², PTFE
  • Cable: 2 m; 2 x 0.14 mm²

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• Hysteresis(mm)

  • 1
  • 2

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• Ambient Temperature(°C)

  • -40-100
  • -25-70

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• Switching Amplifiers

  • connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW

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• Connection to Switching Amplifiers

  • Yes

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• Output Function

  • normally closed
  • normally open / normally closed; (selectable)

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• Max. Travel Speed(m/s)

  • 10
  • 25

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• Measuring Ball (Diameter)(mm)

  • 4
  • 6

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• Inside Diameter(mm)

  • 10
  • 10.1
  • 15
  • 15.1
  • 20.1
  • 25.1
  • 51

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• Dimensions(mm)

  • 32 x 25 x 20
  • 60 x 35 x 20
  • 110 x 80 x 20

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