Product Name: HEIDENHAIN LIF 481 V Exposed Linear Encoder Product Brand: HEIDENHAIN Product Code: LIF 481 V Product Artikel: HEIDENHAIN LIF 481 V Exposed Linear Encoder
Specifications LIF 481 V Measuring standard Graduation carrier* Expansion coefficient SUPRADUR phase grating Glass or Zerodur ® glass ceramic Glass: α therm 8 · 10 –6 K –1 Zerodur ® glass ceramic: α therm (0 ± 0.1) x 10 –6 K –1 Accuracy grade ± 3 µm Measuring length ML* in mm 70 120 170 220 270 320 370 420 470 520 570 620 670 720 770 820 870 920 970 1 020 Reference marks One at midpoint of measuring length Output signals 1 V PP Signal period 4 µm Cutoff frequency –3 dB –6 dB ≥ 300 kHz ≥ 420 kHz Traversing speed –3 dB: 7 2 m/min –6 dB: 100 m/min Position detection Homing and limit signal Power supply Current consumption 5 V ± 5 % < 175 mA Electrical 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 connector Cable length 1) Incremental: ≤ 30 m; homing, limit: ≤ 10 m Vibration 55 to 2 000 Hz Shock 11 ms ≤ 200 m/s 2 (IEC 60 068-2-6) ≤ 500 m/s 2 (IEC 60 068-2-27) Operating temperature 0 °C to 40 °C Bake-out temperature 100 °C PCB material FR4 Weight Scanning head Connector Scale Connecting cable 9 g (without connecting cable) 32 g; with integrated interface electronics: 140 g 0.8 g + 0.08 g/mm measuring length 38 g/m * Please select when ordering 1) With HEIDENHAIN cable
