ERP 4080/ERP 8080

    Specifications

    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

    5 V DC ± 0.25 V

    Current requirement

    ≤ 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 2 000 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

    Weight (approx.)

    33 g (without cable)

    Graduated disk

    TKN ERP 4080

    TKN ERP 8080

    Measuring standard

    Phase-grating graduation on glass

    Signal periods

    131 072

    360 000

    Accuracy of graduation

    ± 2”

    ± 1”

    Position error per signal period1)

    ± 0.1”

    ± 0.05”

    Reference marks

    None

    Hub inside diameter

    8 mm

    50 mm

    Mech. permissible speed

    ≤ 300 min-1

    ≤ 100 min-1

    Moment of inertia of rotor

    5 · 10-6 kgm2

    250 · 10-6 kgm2

    Permissible axial motion of measured shaft

    ≤ ± 0.01 mm (including wobble)

    Protection EN 60 529

    IP 00 (for clean room application)

    Weight (approx.)

    36 g

    180 g

    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