LIP 211/LIP 281/LIP 291

    Specifications

    Scale

    LIP 201

    Measuring standard

    Coefficient of linear expansion

    OPTODUR phase grating on Zerodur glass ceramic; grating period 2.048 µm

    αtherm = (0 ±0.1) · 10–6 K–1

    Accuracy grade*

    ±1 µm

    ±3 µm (higher accuracy grades upon request)

    Baseline error

    ±0.125 µm/5 mm

    Measuring length (ML)*
    in mm

    20 30 50 70 120 170 220
    270 320 370 420 470 520 570
    620 670 720 770 820 870 920
    970 1020

    370 420 470 520 570 620 670 720 770 820 870 920 970 1020 1140 1240 1340 1440 1540 1640 1840 2040 2240 2440 2640 2840 3040

    Reference marks

    One at midpoint of measuring length

    Mass

    1.1 g + 0.11 g/mm measuring length

    Scanning head

    LIP 21

    LIP 29 F

    LIP 29 M

    LIP 28

    Interface

    EnDat 2.21)

    Fanuc Serial Interface1)

    Mitsubishi high speed1)

      1 VPP

    Ordering designation

    EnDat22

    Fanuc02

    Mit02-4

    Integrated interpolation

    16384-fold (14 bits)

    Clock frequency

    16 MHz

    Calculation time tcal

    5 µs

    Measuring step

    0.03125 nm (31.25 pm)

    Signal period

    0.512 µm

    Cutoff frequency –3 dB

    3 MHz

    Traversing speed

    120 m/min

    90 m/min

    Interpolation error

    RMS position noise

    ±0.4 nm4)

    0.12 nm

    ±0.4 nm4)

    0.12 nm (3 MHz3))

    Electrical connection*

    Cable, 0.5 m or 1 m (2 m and 3 m for 1 VPP), with interface electronics in the connector (15-pin D-sub (male))

    Cable length

    See interface description; however, 15 m (≤ 30 m at 1 VPP) with HEIDENHAIN cable;
    during signal adjustment with the PWM 21: ≤ 3 m

    Supply voltage

    DC 3.6 V to 14 V

    DC 5 V ±0.25 V

    Power consumption2) (max.)

    At 14 V: 2500 mW; at 3.6 V: 2600 mW

    Current consumption

    At 5 V: 300 mA (without load, typical)

    390 mA

    Laser

    Scanning head and scale, mounted: class 1; scanning head not mounted: class 3B

    Vibration 55 Hz to 2000 Hz

    Shock 11 ms

    200 m/s2 (IEC 60068-2-6)

    400 m/s2 (IEC 60068-2-27)

    Operating temperature

    0 °C to 50 °C

    Mass

    Scanning head: 59 g; connector: 140 g; cable: 22 g/m

    * Please select when ordering; for measuring lengths < 70 mm, the ''adhesively bonded” mounting type is recommended

    1) Absolute position value in ''Position Value 2” after crossing the reference mark

    2) See General electrical information in the Interfaces of HEIDENHAIN Encoders brochure

    3) –3 dB cutoff frequency of the subsequent electronics 4) With HEIDENHAIN interface electronics