ERO 2000


    Scanning head

    ERO 2080


      1 VPP

    Reference mark signal

    Square-wave pulse

    Cutoff frequency –3 dB

    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 using PWM 21: 3 m

    Power 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) Suitable for applications that measure the time between individual TTL output signal edges; non-clocked output signals provide for a lower amount of edge jitter

    2) Maximum scanning frequency during referencing: 70 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 encoder in mounted condition: IP00


     5.2 g

    1) When centering with two scanning heads

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