LC 4x5 - Functional Safety

    Spécifications techniques

    Specifications

    LC 415

    LC 495 S

    Measuring standard

    Coefficient of linear expansion

    DIADUR glass scale with absolute track and incremental track, 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*

    ± 3 µm; ± 5 µm

    Measuring length ML* in mm

    Mounting spar* or clamping elements* 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 1 020 1 140 1 240 1 340 1 440 1 540 1 640 1 740 1 840 2 040

    Functional safety

    For applications up to

    • SIL 2 according to EN 61 508 (further basis for testing: EN 61 800-5-2)
    • Category 3, PL ''d” according to EN ISO 13 849-1:2008

    PFH

    ≤ 15 x 10–9
    For application height ≤ 6 000 m above sea level

    ≤ 25 x 10–9
    For application height ≤ 1000 m above sea level

    Safe position1)

    Encoder: ± 550 µm (safety-related measuring step: SM = 220 µm)

    Mechanical connection: fault exclusions for loosening of the housing and scanning unit (page 6)

    Interface

    EnDat 2.2

    DRIVE-CLiQ

    Ordering designation

    EnDat 22

    DQ 01

    Resolution

    Accuracy ± 3 µm: 0.001 µm, accuracy ± 5 µm: 0.010 µm

    Calculation time tcal

    Clock frequency

    ≤ 5 µs

    ≤ 16 MHz

    Electrical connection

    Separate adapter cable connectable to mounting block

    Cable length

    ≤ 100 m (with HEIDENHAIN cable),
    clock frequency ≤ 8 MHz

    ≤ 30 m (longer cables on request)

    Power supply

    3.6 to 14 V DC

    10 V to 28.8 V DC

    Power consumption (max.)

    At 14 V: ≤ 1.3 W; at 3.6 V: ≤ 1.1 W

    At 10 V: ≤ 1.5 W; at 28.8 V: ≤ 1.7 W

    Current consumption (typical)

    At 5 V: 140 mA (without load)

    At 24 V: 46 mA (without load)

    Traversing speed

    ≤ 180 m/min

    Required moving force

    ≤ 5 N

    Vibration 55 to 2 000 Hz
    affecting the

    Shock 11 ms

    Acceleration

    Scanning unit: ≤ 200 m/s2 (EN 60 068-2-6)

    Housing without mounting spar: ≤ 100 m/s2 (EN 60 068-2-6)

    Housing with mounting spar and cable outlet at right: ≤ 150 m/s2, at 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 5292)

    IP 53 when installed according to instructions in the brochure, IP 64 with sealing air from DA 400

    Weight

    Encoder: 0.2 kg + 0.55 kg/m measuring length; mounting spar: 0.9 kg/m

    * Please select when ordering. 1) Further tolerances may occur in the subsequent electronics after the position value comparison (contact the manufacturer of the subsequent electronics). 2) In the application the LC must be protected from the intrusion of particles and liquids.