ERA 4282 C

    Spécifications techniques

    Scanning head

    AK ERA 4280

    Interface

    1 VPP

    Cutoff frequency –3 dB

    ≥ 350 kHz

    Electrical connection

    Cable 1 m, with M23 coupling (12-pin)

    Cable length

    ≤ 150 m (with HEIDENHAIN cable)

    Voltage supply

    5 V DC ± 0.5 V

    Current requirement

    < 100 mA (without load)

    Vibration 55 to 2 000 Hz

    Shock 6 ms

    ≤ 100 m/s2 (EN 60 068-2-6)

    ≤ 500 m/s2 (EN 60 068-2-27)

    Operating temperature

    –10 °C to 80 °C

    Weight (approx.)

    20 g (without cable)

    Scale drum

    TTR ERA 4202 C

    Measuring standard

    Grating period

    Expansion factor

    Steel drum

    20 µm

    αtherm ≈ 10.5 · 10-6 K-1

    Signal periods

    12 000

    16 384

    20 000

    28 000

    32 768

    40 000

    32 768

    40 000

    52 000

    Accuracy of graduation

    ± 4”

    ± 3”

    ± 2.5”

    ± 2”

    ± 1.9”

    ± 1.8”

    ± 1.9”

    ± 1.8”

    ± 1.7”

    Position error per signal period1)

    ± 1.1”

    ± 0.8”

    ± 0.7”

    ± 0.5”

    ± 0.4”

    ± 0.4”

    ± 0.4”

    ± 0.4”

    ± 0.3”

    Reference marks

    Distance-coded

    Drum inside diameter*

    40 mm

    70 mm

    80 mm

    120 mm

    150 mm

    180 mm

    185 mm

    210 mm

    270 mm

    Drum outside diameter*

    76.75
    mm

    104.63 mm

    127.64 mm

    178.55 mm

    208.89 mm

    254.93 mm

    208.89 mm

    254.93 mm

    331.31 mm

    Mech. permissible speed

    10 000 min-1

    8 500
    min-1

    6 250
    min-1

    4 500
    min-1

    4 250
    min-1

    3 250
    min-1

    3 250
    min-1

    3 250
    min-1

    2 500
    min-1

    Moment of inertia of rotor

    0.28 · 10-3 kgm2

    0.83 · 10-3 kgm2

    2.0 · 10-3 kgm2

    7.1 · 10-3 kgm2

    12 · 10-3 kgm2

    28 · 10-3 kgm2

    6.5 · 10-3 kgm2

    20 · 10-3 kgm2

    59 · 10-3 kgm2

    Perm. axial movement

    ≤ ± 0.5 mm (scale drum relative to scanning head)

    Protection EN 60 529

    IP 00

    Weight (approx.)

    0.30 kg

    0.42 kg

    0.70 kg

    1.2 kg

    1.5 kg

    2.3 kg

    0.66 kg

    1.5 kg

    2.6 kg

    * 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