HEIDENHAIN LIF 481 V Exposed Linear Encoder
HEIDENHAIN
Product number: LIF 481 V
Producer: HEIDENHAIN
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Datasheets for HEIDENHAIN LIF 481 V Exposed Linear Encoder
Description for HEIDENHAIN LIF 481 V Exposed Linear Encoder
SpecificationsLIF 481 VMeasuring standardGraduation carrier*Expansion coefficientSUPRADUR phase gratingGlass or Zerodur® glass ceramicGlass: αtherm 8 · 10–6 K–1Zerodur®glass ceramic: αtherm (0 ± 0.1) x 10–6 K–1Accuracy grade± 3 µmMeasuring length ML*in mm70 120 170 220 270 320 370 420 470 520 570 620 670 720770 820 870 920 970 1 020Reference marksOne at midpoint of measuring lengthOutput signals 1 VPPSignal period4 µmCutoff frequency –3 dB –6 dB≥ 300 kHz≥ 420 kHzTraversing speed–3 dB: 72 m/min–6 dB: 100 m/minPosition detectionHoming and limit signalPower supplyCurrent consumption5 V ± 5 %< 175 mAElectrical connection*• Interface electronics outside of the high vacuum:Cable 0.5 m or 1 m up to high-vacuum feedthrough; cable 0.5 m up to D-sub connector (15-pin) with integrated interface electronics• Interface electronics in high vacuum:Cable 0.5 m or 1 m with D-sub connector (15-pin); interface electronics integrated in connectorCable length1)Incremental: ≤ 30 m; homing, limit: ≤ 10 mVibration 55 to 2 000 HzShock 11 ms≤ 200 m/s2 (IEC 60 068-2-6)≤ 500 m/s2 (IEC 60 068-2-27)Operating temperature0 °C to 40 °CBake-out temperature100 °CPCB materialFR4Weight Scanning head Connector Scale Connecting cable9 g (without connecting cable)32 g; with integrated interface electronics: 140 g0.8 g + 0.08 g/mm measuring length38 g/m* Please select when ordering1) With HEIDENHAIN cable
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