LIF 171/181

    Spécifications techniques

    Scale

    LIF 101

    Measuring standard

    Coefficient of linear expansion

    SUPRADUR phase grating on Zerodur glass-ceramic or glass; grating period: 8 µm

    αtherm (0±0.1) x 10–6 K–1 (Zerodur glass-ceramic)

    αtherm 8 x 10–6 K–1 (glass)

    Accuracy grade

    ±3 µm; ±1 µm (only in Zerodur and up to a measuring length of 1640 mm)

    Measuring length ML* in mm

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

    720 770 820 870 920 970 1040 1140 1240 1340 1440 1540 1640

    1840 2040 2240 2440 2640 2840 3040 3)

    Reference marks* LIF 101 R

    LIF 101 C

    One reference mark at midpoint of measuring length

    Distance-coded

    Mass

    7.5 g + 0.25 g/mm of measuring length

    Scanning head

    LIF 18

    LIF 17

    Interface

      1 VPP

    TTL

    Integrated interpolation*
    Signal period

    4 µm

    5-fold

    0.8 µm

    10-fold

    0.4 µm

    Cutoff frequency –3 dB

    1 MHz

    Scanning frequency

    200 kHz

    100 kHz

    50 kHz

    100 kHz

    50 kHz

    25 kHz

    Edge separation a

    0.220 µs

    0.465 µs

    0.950 µs

    0.220 µs

    0.465 µs

    0.950 µs

    Traversing speed 1)

    240 m/min

    48 m/min

    24 m/min

    12 m/min

    24 m/min

    12 m/min

    6 m/min

    Interpolation error

    Position noise RMS

    ± 12 nm

    0.6 nm
    (1 MHz 2))

    Electrical connection*

    Cable, 0.5 m/1 m/3 m, with 15-pin D-sub connector (male); interface electronics in connector

    Cable length

    With HEIDENHAIN cable: ≤ 30 m

    Supply voltage

    DC 5 V ±5 %

    DC 5 V ±5 %

    Current consumption

    165 mA

    170 mA (without load)

    Vibration 55 Hz to 2000 Hz

    Shock 6 ms

    200 m/s2 (IEC 60 068-2-6)

    500 m/s2 (IEC 60 068-2-27)

    Operating temperature

    Storage temperature

    0 °C to 50 °C

    –20 °C to 70 °C

    Protection EN 60 529

    IP 00; scanning head: IP 50

    Mass

    Scanning head

    Cable

    Connector

    25 g (without cable)

    38 g/m

    75 g

    * Please select when ordering
    1) Only for TTL: Maximum traversing speed for referencing: 9.6 m/min · (40 kHz)

    2) –3 dB cutoff frequency of the subsequent electronics

    3) Measuring lengths of up to 6 m upon request