LIDA 477/487

    Specifications

    Linear scale

    LIDA 407

    Measuring standard

    Coefficient of linear expansion

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

    αtherm  10 · 10–6 K–1

    Accuracy grade*

    ±3 µm (up to ML 1040); ±5 µm (from ML 1240); ±15 µm1)

    Baseline error

    ±0.750 µm/50 mm (typical)

    Measuring length ML* in mm

    240 440 640 840 1040 1240 1440 1640 1840 2040 2240 2440 2640 2840

    3040 3240 3440 3640 3840 4040 4240 4440 4640 4840 5040 5240 5440 5640

    5840 6040

    Reference marks

    One at midpoint of measuring length

    Mass

    25 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 a2)

    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 speed2)

    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 D-sub connector (male) 15-pin

    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) ±5 µm after linear length-error compensation in the evaluation electronics

    2) At a corresponding cutoff or scanning frequency