LIDA 475/485

    Spécifications techniques

    Linear scale

    LIDA 405

    Measuring standard

    Coefficient of linear expansion

    Steel scale tape with METALLUR scale grating; grating period 20 µm

    Depends on the mounting surface

    Accuracy grade

    ±5 µm

    Baseline error

    ±0.750 µm/50 mm (typical)

    Measuring length ML* in mm

    140 240 340 440 540 640 740 840 940 1040 1140 1240 1340 1440

    1540 1640 1740 1840 1940 2040

    Larger measuring lengths up to 30 040 mm with a single-section scale tape and individual scale-carrier sections

    Reference marks

    One at midpoint of measuring length

    Mass

    115 g + 0.25 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