ERP 4080/ERP 8080

    Spécifications techniques

    Scanning head

    AK ERP 4080

    AK ERP 8080

    Interface

     1 VPP

    Cutoff frequency –3 dB

    250 kHz

    Electrical connection

    Cable 1 m, with D-sub connector (15-pin)

    Cable length

    30 m (with HEIDENHAIN cable)

    Voltage supply

    DC 5 V ±0.25 V

    Current consumption

    150 mA (without load)

    Laser

    Scanning head and graduated disk mounted: Class 1

    Scanning head not mounted: Class 3B

    Laser diode used: Class 3B

    Vibration 55 to 2000 Hz

    Shock 6 ms

    50 m/s2 (EN 60 068-2-6)

    500 m/s2 (EN 60 068-2-27)

    Operating temperature

    15 °C to 40 °C

    Mass

    ≈ 33 g (without cable)

    Circular scale

    TKN ERP 4000 (scale)

    TKN ERP 8000 (scale)

    Measuring standard

    Phase grating on glass

    Signal periods

    131 072

    360 000

    Accuracy of graduation

    ±2”

    ±1”

    Interpolation error per signal period1)

    ±0.1”

    ±0.05”

    Reference marks

    None

    Hub inside diameter

    8 mm

    50 mm

    Mech. permissible speed

    300 rpm

    100 rpm

    Moment of inertia

    5 · 10-6 kgm2

    250 · 10-6 kgm2

    Permissible axial motion of measured shaft

    ±0.01 mm (incl. wobble)

    Protection EN 60 529

    Complete encoder in mounted condition: IP00 (for clean room applications)

    Mass

    ≈ 36 g

    ≈ 180 g

    1) Interpolation 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