HEIDENHAIN LIF 18 Exposed Linear Encoder
HEIDENHAIN
Produktnummer: LIF 18
Hersteller: HEIDENHAIN
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Description for HEIDENHAIN LIF 18 Exposed Linear Encoder
ScaleLIF 101Measuring standardCoefficient of linear expansionSUPRADUR phase grating on Zerodur glass-ceramic or glass; grating period: 8 µmαtherm ≈ (0±0.1) x 10–6 K–1 (Zerodur glass-ceramic)αtherm ≈ 8 x 10–6 K–1 (glass)Accuracy grade±3 µm; ±1 µm (only in Zerodur and up to a measuring length of 1640 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 1040 1140 1240 1340 1440 1540 16401840 2040 2240 2440 2640 2840 3040 3)Reference marks* LIF 101 R LIF 101 COne reference mark at midpoint of measuring lengthDistance-codedMass7.5 g + 0.25 g/mm of measuring lengthScanning headLIF 18LIF 17Interface 1 VPPTTLIntegrated interpolation* Signal period–4 µm5-fold0.8 µm10-fold0.4 µmCutoff frequency –3 dB≥ 1 MHz–Scanning frequency–≤ 200 kHz≤ 100 kHz≤ 50 kHz≤ 100 kHz≤ 50 kHz≤ 25 kHzEdge separation a–≥ 0.220 µs≥ 0.465 µs≥ 0.950 µs≥ 0.220 µs≥ 0.465 µs≥ 0.950 µsTraversing speed 1)≤ 240 m/min≤ 48 m/min≤ 24 m/min≤ 12 m/min≤ 24 m/min≤ 12 m/min≤ 6 m/minInterpolation errorPosition noise RMS± 12 nm0.6 nm (1 MHz 2))–Electrical connection*Cable, 0.5 m/1 m/3 m, with 15-pin D-sub connector (male); interface electronics in connectorCable lengthWith HEIDENHAIN cable: ≤ 30 mSupply voltageDC 5 V ±5 %DC 5 V ±5 %Current consumption≤ 165 mA ≤ 170 mA (without load)Vibration 55 Hz to 2000 HzShock 6 ms≤ 200 m/s2 (IEC 60 068-2-6)≤ 500 m/s2 (IEC 60 068-2-27)Operating temperatureStorage temperature0 °C to 50 °C–20 °C to 70 °CProtection EN 60 529IP 00; scanning head: IP 50MassScanning headCableConnector25 g (without cable)38 g/m75 g* Please select when ordering1) Only for TTL: Maximum traversing speed for referencing: 9.6 m/min · (40 kHz)2) –3 dB cutoff frequency of the subsequent electronics3) Measuring lengths of up to 6 m upon request
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