Absolute encoders

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    • Performance
      Number of steps per revolution (max. resolution)4,096 (12 bit)
      Number of revolutions4,096 (12 bit)
      Max. resolution (number of steps per revolution x number of revolutions)12 bit x 12 bit (4,096 x 4,096)
      Error limits G0.35° (at 20 °C) 1)
      Repeatability standard deviation σr0.2° (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
      Initialization time100 ms 1)
      Position forming time125 µs
      Process dataPosition
      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, Servo flange
      Shaft diameter10 mm
      Shaft length12 mm
      Weight0.12 kg 1)
      Shaft materialStainless steel
      Flange materialAluminum
      Housing materialZinc
      Start up torque1 Ncm (+20 °C)
      Operating torque< 1 Ncm (+20 °C)
      Permissible Load capacity of shaft

      40 N / radial

      20 N / axial

      Operating speed≤ 6,000 min⁻¹ 2)
      Moment of inertia of the rotor2.5 gcm²
      Bearing lifetime3.6 x 10^8 revolutions
      Angular acceleration≤ 500,000 rad/s²
      • 1) Based on devices with male connector.
      • 2) 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 rating

      IP66 (according to IEC 60529)

      IP67 (according to IEC 60529)

      Permissible relative humidity90 % (Condensation not permitted)
      Operating temperature range–40 °C ... +85 °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, servo flange, male connector
    PIN assignment M12 male connector, 8-pin and cable, 8-wire, SSI/Gray
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