LS 400

    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

    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
    • 1 reference mark at midpoint of measuring length
    • 2 reference marks, each 35 mm (for ML ≤ 1 020) or 45 mm (for ML ≥ 1 140) from the beginning and end of measuring length

    Distance-coded

    Incremental signals

    1 VPP

    TTL x 5

    TTL x 10

    TTL x 20

    Integrated interpolation*

    Signal period

    20 µm

    5-fold

    4 µm

    10-fold

    2 µm

    20-fold

    1 µm

    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

    0.5 µm1)

    1 µm2)

    0.5 µm2)

    0.25 µm2)

    Electrical connection

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

    Cable length3)

    ≤ 150 m

    ≤ 100 m

    Power supply without load

    5 V DC ± 5 %/< 120 mA

    5 V DC ± 5 %/< 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 2 000 Hz

    Shock 11 ms

    Acceleration

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

    IP 53 when installed according to mounting instructions and information; IP 64 with compressed air from DA 400

    Weight

    0.4 kg + 0.5 kg/m measuring length

    *Please indicate when ordering
    1) Recommended for position measurement

    2) After 4-fold evaluation in the subsequent electronics
    3) With HEIDENHAIN cable

    Mounting type I = End block 12A; for mounting with and without mounting spar
    Mounting type II = End block 14A; for mounting with mounting spar