HEIDENHAIN LIF 48 Exposed Linear Encoder

HEIDENHAIN LIF 48 Exposed Linear Encoder

Product Name: HEIDENHAIN LIF 48 Exposed Linear Encoder
Product Brand: HEIDENHAIN
Product Code: LIF 48
Product Artikel: HEIDENHAIN LIF 48 Exposed Linear Encoder
Scale LIF 401 R Measuring standard* Coefficient of linear expansion SUPRADUR phase grating on Zerodur glass ceramic or glass; grating period: 8 µm α therm = (0±0.1) · 10 –6 K –1 (Zerodur glass ceramic) α therm  8 · 10 –6 K –1 (glass) Accuracy grade* ±1 µm (only for Zerodur glass ceramic of up to a measuring length of 1020 mm), ±3 µm Baseline error ≤ ±0.225 µm/5 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 1020 1140 1240 1340 1440 1540 1640 Reference marks One at midpoint of measuring length Mass 0.8 g + 0.08 g/mm measuring length Scanning head LIF 48 LIF 47 Interface   1 V PP  TTL Integrated interpolation * Signal period – 4 µm 5-fold 0.8 µm 10-fold 0.4 µm 20-fold 0.2 µm 50-fold 0.08 µm 100-fold 0.04 µm Cutoff frequency –3 dB ≥ 1 MHz – Scanning frequency * – ≤ 500 kHz ≤ 250 kHz ≤ 125 kHz ≤ 250 kHz ≤ 125 kHz ≤ 62.5 kHz ≤ 250 kHz ≤ 125 kHz ≤ 62.5 kHz ≤ 100 kHz ≤ 50 kHz ≤ 25 kHz ≤ 50 kHz ≤ 25 kHz ≤ 12.5 kHz Edge separation a – ≥ 0.080 µs ≥ 0.175 µs ≥ 0.370 µs ≥ 0.080 µs ≥ 0.175 µs ≥ 0.370 µs ≥ 0.040 µs ≥ 0.080 µs ≥ 0.175 µs ≥ 0.040 µs ≥ 0.080 µs ≥ 0.175 µs ≥ 0.040 µs ≥ 0.080 µs ≥ 0.175 µs Traversing speed 1) ≤ 240 m/min ≤ 120 m/min ≤ 60 m/min ≤ 30 m/min ≤ 60 m/min ≤ 30 m/min ≤ 15 m/min ≤ 60 m/min ≤ 30 m/min ≤ 15 m/min ≤ 24 m/min ≤ 12 m/min ≤ 6 m/min ≤ 12 m/min ≤ 6 m/min ≤ 3 m/min Interpolation error RMS position noise ±12 nm 0.6 nm (1 MHz 2) ) – Electrical connection* Cable, 0.5 m/1 m/3 m, with 15-pin Sub-D connector (male); interface electronics in the connector Cable length See interface description; however, incremental: ≤ 30 m; homing, limit: ≤ 10 m; (with HEIDENHAIN cable) Supply voltage DC 5 V ±0.25 V Current consumption < 150 mA < 165 mA (without load) Vibration 55 Hz to 2000 Hz Shock 11 ms ≤ 400 m/s 2 (EN 60068-2-6) ≤ 500 m/s 2 (EN 60068-2-27) Operating temperature 0 °C to 50 °C Mass Scanning head * Cable Connector For scale made of Zerodur glass ceramic: 25 g For scale made of glass: 9 g 38 g/m 75 g * Please select when ordering 1) With TTL: maximum traversing speed during referencing: 9.6 m/min (40 kHz) 2) –3 dB cutoff frequency of the subsequent electronics

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