ERP 880

    Spécifications techniques

    ERP 880

    Measuring standard

    DIADUR phase grating on glass

    Signal periods

    180 000

    Accuracy of graduation

    ± 0.9”

    Position error per signal period1)

    ± 0.1”

    Reference marks

    One

    Hub inside diameter

    51.2 mm

    Mech. permissible speed

    ≤ 1 000 min-1

    Moment of inertia of rotor

    1.2 · 10-3 kgm2

    Permissible axial motion of measured shaft

    ≤ ± 0.05 mm

    Interface

    1 VPP

    Cutoff –3 dB

    frequency –6 dB

    ≥ 800 kHz
    ≥ 1.3 MHz

    Electrical connection

    With cover: Cable 1 m, with M23 coupling

    Without cover: Via 12-pin PCB connector (adapter cable ID 372164-xx)

    Cable length

    ≤ 150 m (with HEIDENHAIN cable)

    Voltage supply

    5 V DC ± 0.5 V

    Current requirement

    ≤ 250 mA (without load)

    Vibration 55 to 2 000 Hz

    Shock 6 ms

    ≤ 50 m/s2 (EN 60 068-2-6)

    ≤ 1 000 m/s2 (EN 60 068-2-27)

    Operating temperature

    0 °C to 50 °C

    Protection* EN 60 529

    Without cover: IP 00

    With cover: IP 40

    With cover and rotary shaft seal: IP 64

    Starting torque

    0.25 Nm

    Weight

    3.0 kg

    3.1 kg incl. cover

    * Please select when ordering

    1) The position error within one signal period and the accuracy of the graduation result together in the encoder-specific error; for additional error through mounting and the bearing of the measured shaft, see Measuring accuracy