LIDA 473/483

    Spécifications techniques

    Linear scale

    LIDA 403

    Measuring standard

    Coefficient of linear expansion*

    METALLUR scale grating on glass ceramic or glass; grating period 20 µm

    αtherm  8 · 10–6 K–1 (glass)

    αtherm = (0±0.5) · 10–6 K–1 (Robax glass ceramic)

    Accuracy grade*

    ±1 µm (only for Robax glass ceramic), ±3 µm, ±5 µm

    Baseline error

    ±0.275 µm/10 mm

    Measuring length ML* in mm

    240 340 440 640 840 1040 1240 1440 1640 1840 2040 2240 2440

    2640, 2840, 3040 (ROBAX glass ceramic with up to ML 1640)

    Reference marks*

    LIDA 4x3: One at midpoint of measuring length; LIDA 4x3 C: Distance-coded

    Mass

    3 g + 0.1 g/mm measuring length

    Scanning head

    AK LIDA 48

    AK LIDA 47

    Interface

      1 VPP

    TTL

    Integrated interpolation*

    Signal period

    20 µm

    5-fold

    4 µm

    10-fold

    2 µm

    50-fold

    0.4 µm

    100-fold

    0.2 µm

    Cutoff frequency –3 dB

    400 kHz

    Scanning frequency*

    400 kHz

    200 kHz

    100 kHz

    50 kHz

    200 kHz

    100 kHz

    50 kHz

    25 kHz

    50 kHz

    25 kHz

    12.5 kHz

    25 kHz

    12.5 kHz

    6.25 kHz

    Edge separation a1)

    0.100 µs

    0.220 µs

    0.465 µs

    0.950 µs

    0.100 µs

    0.220 µs

    0.465 µs

    0.950 µs

    0.080 µs

    0.175 µs

    0.370 µs

    0.080 µs

    0.175 µs

    0.370 µs

    Traversing speed1)

    480 m/min

    480 m/min

    240 m/min

    120 m/min

    60 m/min

    240 m/min

    120 m/min

    60 m/min

    30 m/min

    60 m/min

    30 m/min

    15 m/min

    30 m/min

    15 m/min

    7.5 m/min

    Interpolation error

    ±45 nm

    Limit switches

    L1/L2 with two different magnets; output signals: TTL (without line driver)

    Electrical connection

    Cable, 0.5 m, 1 m or 3 m, with 15-pin D-sub connector (male)

    Cable length

    See interface description, however limit: 20 m (with HEIDENHAIN cable)

    Voltage supply

    DC 5 V ±0.5 V

    Current consumption

    < 130 mA

    < 150 mA (without load)

    Vibration 55 Hz to 2000 Hz

    Shock 6 ms

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

    1000 m/s2 (EN 60 068-2-27)

    Operating temperature

    –10 °C to 70 °C

    Mass Scanning head

    Connecting cable

    Connector

    20 g (without cable)

    22 g/m

    32 g

    * Please select when ordering

    1) At a corresponding cutoff or scanning frequency

    Robax® is a registered trademark of Schott-Glaswerke, Mainz, Germany.