Absolute encoders

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    • Performance
      Number of steps per revolution (max. resolution)3,600
      Error limits G0.35° (at 20 °C) 1)
      Repeatability standard deviation σr0.25° (at 20 °C) 2)
      • 1) In accordance with DIN ISO 1319-1, position of the upper and lower error limit depends on the installation situation, specified value refers to a symmetrical position, i.e. deviation in upper and lower direction is the same.
      • 2) In accordance with DIN ISO 55350-13; 68.3% of the measured values are inside the specified area.
    • Interfaces
      Communication interfaceSSI
      Process dataPosition
      Initialization time100 ms 1)
      Position forming time125 µs
      Code typeGray
      Code sequence parameter adjustableCW/CCW (V/R̅) configurable via cable
      Clock frequency2 MHz 2)
      Set (electronic adjustment)H-active (L = 0 - 3 V, H = 4,0 - Us V)
      CW/CCW (counting sequence when turning)L-active (L = 0 - 1 V, H = 2,0 - Us V)
      • 1) Valid positional data can be read once this time has elapsed.
      • 2) Minimum, LOW level (Clock +): 250 ns.
    • Electrical data
      Connection typeMale connector, M12, 8-pin, universal
      Supply voltage4.5 ... 32 V DC
      Power consumption≤ 1.5 W (without load)
      Reverse polarity protection
      MTTFd: mean time to dangerous failure230 years (EN ISO 13849-1) 1)
      • 1) This product is a standard product and does not constitute a safety component as defined in the Machinery Directive. Calculation based on nominal load of components, average ambient temperature 40°C, frequency of use 8760 h/a. All electronic failures are considered hazardous. For more information, see document no. 8015532.
    • Mechanical data
      Mechanical designSolid shaft, face mount flange
      Shaft diameter10 mm 1)
      Shaft length24 mm
      Weight0.12 kg 2)
      Shaft materialStainless steel
      Flange materialAluminum
      Housing materialZinc
      Start up torque0.5 Ncm, +20 °C
      Operating torque< 0.5 Ncm, +20 °C
      Permissible Load capacity of shaft

      40 N / radial

      20 N / axial

      Moment of inertia of the rotor2.5 gcm²
      Bearing lifetime3.6 x 10^8 revolutions
      Angular acceleration≤ 500,000 rad/s²
      Operating speed≤ 9,000 min⁻¹ 3)
      • 1) For use with the adapters 2072298 and 2072295.
      • 2) Based on devices with male connector.
      • 3) Allow for self-heating of 3.5 K per 1,000 rpm when designing the operating temperature range.
    • Ambient data
      EMCAccording to EN 61000-6-2 and EN 61000-6-3
      Enclosure ratingIP65 (according to IEC 60529)
      Permissible relative humidity90 % (Condensation not permitted)
      Operating temperature range–20 °C ... +70 °C
      Storage temperature range–40 °C ... +100 °C, without package
      Resistance to shocks100 g, 6 ms (according to EN 60068-2-27)
      Resistance to vibration20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6)
    • Classifications
      ECl@ss 5.027270502
      ECl@ss 5.1.427270502
      ECl@ss 6.027270590
      ECl@ss 6.227270590
      ECl@ss 7.027270502
      ECl@ss 8.027270502
      ECl@ss 8.127270502
      ECl@ss 9.027270502
      ECl@ss 10.027270502
      ECl@ss 11.027270502
      ETIM 5.0EC001486
      ETIM 6.0EC001486
      ETIM 7.0EC001486
      ETIM 8.0EC001486
      UNSPSC 16.090141112113

    Technical drawings

    solid shaft, face mount flange, male connector
    Instruction for installation Solid shaft, face mount flange with flange adapter, centering collar D20 on D36 (BEF-FA-020-036, 2072298)
    Instruction for installation Solid shaft, face mount flange with flange adapter, centering collar D20 on D30 (BEF-FA-020-030, 2072295)
    PIN assignment M12 male connector, 8-pin and cable, 8-wire, SSI/Gray
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