HEIDENHAIN LIF 48 Exposed Linear Encoder

HEIDENHAIN

Product number: LIF 48
Producer: HEIDENHAIN
Confirmed Rating: ☆☆☆☆☆☆ (4.8)
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Datasheets for HEIDENHAIN LIF 48 Exposed Linear Encoder

Description for HEIDENHAIN LIF 48 Exposed Linear Encoder

ScaleLIF 401 RMeasuring standard*Coefficient of linear expansionSUPRADUR phase grating on Zerodur glass ceramic or glass; grating period: 8 µmαtherm = (0±0.1) · 10–6 K–1 (Zerodur glass ceramic)αtherm  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 µmBaseline error≤ ±0.225 µm/5 mmMeasuring 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 1640Reference marksOne at midpoint of measuring lengthMass0.8 g + 0.08 g/mm measuring lengthScanning headLIF 48LIF 47Interface  1 VPP TTLIntegrated interpolation*Signal period–4 µm5-fold0.8 µm10-fold0.4 µm20-fold0.2 µm50-fold0.08 µm100-fold0.04 µmCutoff 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 kHzEdge 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 µsTraversing speed1)≤ 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/minInterpolation errorRMS position noise±12 nm0.6 nm (1 MHz2))–Electrical connection*Cable, 0.5 m/1 m/3 m, with 15-pin Sub-D connector (male); interface electronics in the connectorCable lengthSee interface description; however, incremental: ≤ 30 m; homing, limit: ≤ 10 m; (with HEIDENHAIN cable)Supply voltageDC 5 V ±0.25 VCurrent consumption< 150 mA< 165 mA (without load)Vibration 55 Hz to 2000 HzShock 11 ms≤ 400 m/s2 (EN 60068-2-6)≤ 500 m/s2 (EN 60068-2-27)Operating temperature0 °C to 50 °CMass Scanning head* Cable ConnectorFor scale made of Zerodur glass ceramic: 25 gFor scale made of glass: 9 g38 g/m75 g* Please select when ordering1) 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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