ERO 2000


    Scanning head

    ERO 2080


      1 VPP

    Reference mark signal

    Square-wave pulse

    Cutoff frequency –3 dB1)

    1 MHz

    Electrical connection*

    15-pin D-sub connector (male) with 0.5 m/1 m/1.5 m/3 m cable

    12-pin SHR-12V-S connector (female) with 0.5 m/1 m/1.5 m/3 m cable

    Cable outlet on the left/right and straight/angled

    Cable length

    With HEIDENHAIN cable: ≤ 20 m; during signal adjustment with the PWM 21: 3 m

    Voltage supply

    DC 5 V ±0.5 V

    Current consumption

    150 mA (without load)

    Vibration 55 Hz to 2000 Hz

    Shock 6 ms

    500 m/s2 (EN 60068-2-6)

    1000 m/s2 (EN 60068-2-27)

    Operating temperature

    –10 °C to 70 °C



    Mass Scanning head



     5 g (without cable)

     71 g

     22 g/m

    * Please select when ordering

    1) Maximum frequency during referencing: 500 kHz

    Circular scale

    ERO 2000 (full circle)

    Measuring standard

    SUPRADUR graduation on glass

    Signal periods


    Accuracy of graduation1)


    Interpolation error2)


    Position noise RMS (1 MHz)


    Reference marks


    Hub inside diameter

    5 mm

    Circular scale outside diameter

    30 mm

    Mech. permissible speed

    14 000 rpm

    Moment of inertia

    4.1 · 10–7 kgm2

    Protection EN 60529

    Complete, mounted encoder: IP00


     5.2 g

    1) When centering with two scanning heads

    2) The encoder-specific error contains the position error within one signal period and the accuracy of the graduation; for additional errors resulting from mounting and the bearing of the measured shaft, see Measuring accuracy in the brochure Modular Angle Encoders with Optical Scanning