LS 400 series

    Specifications

    Specifications

    LS 487

    LS 477

    Measuring standard

    Coefficient of linear expansion

    Glass scale with DIADUR grating, grating period 20 µm

    αtherm  8 x 10–6 K–1 (mounting type I/II); with mounting spar: αtherm  9 x 10–6 K–1 (mounting type III)

    Accuracy grade*

    ±5 µm; ±3 µm

    Measuring length ML* in mm

    Mounting spar* up to ML 1240 optional, necessary as of ML 1340

    70 120 170 220 270 320 370 420 470 520 570 620 670 720

    770 820 920 1020 1140 1240 1340 1440 1540 1640 1740 1840 2040

    Reference marks* LS 4x7

    LS 4x7 C

    • Selectable with magnets every 50 mm
    • One reference mark at midpoint of measuring length
    • Two reference marks, each 35 mm (for ML 1 020 mm) or 45 mm (for ML 1 140 mm) from the beginning and end of the measuring length

    Distance-coded

    Interface

      1 VPP

    TTL

    Integrated interpolation*

    Signal period

    20 µm

    5-fold

    10-fold

    20-fold

    Diagnostics interface

    Analog

    Cutoff frequency –3 dB

    160 kHz

    Scanning frequency*

    Edge separation a

    100 kHz

    0.5 µs

    50 kHz

    1 µs

    100 kHz

    0.25 µs

    50 kHz

    0.5 µs

    25 kHz

    1 µs

    50 kHz

    0.25 µs

    25 kHz

    0.5 µs

    Measuring step

    Depends on interpolation

    1 µm1)

    0.5 µm1)

    0.25 µm1)

    Electrical connection

    Separate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting block

    Cable length2)

    150 m

    100 m

    Voltage supply
    without load

    DC 5 V ±0.25 V/< 120 mA

    DC 5 V ±0.25 V/< 140 mA

    Traversing speed

    120 m/min

    120 m/min

    60 m/min

    120 m/min

    60 m/min

    30 m/min

    60 m/min

    30 m/min

    Required moving force

    5 N

    Vibration 55 Hz to 2000 Hz

    Shock 11 ms

    Acceleration

    Without mounting spar: 100 m/s2 (EN 60 068-2-6)
    With mounting spar, cable outlet at right: 200 m/s2, links: 100 m/s2 (EN 60 068-2-6)

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

    100 m/s2 in measuring direction

    Operating temperature

    0 °C to 50 °C

    Protection EN 60 529

    IP53 when installed according to mounting instructions and information;
    IP64 with compressed air from DA 400

    Mass

    0.4 kg + 0.5 kg/m measuring length

    * Please select when ordering

    1) After 4-fold evaluation in the subsequent electronics

    2) With HEIDENHAIN cable