HEIDENHAIN LS 487 Sealed Linear Encoder
HEIDENHAIN
Product number: LS 487
Producer: HEIDENHAIN
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Datasheets for HEIDENHAIN LS 487 Sealed Linear Encoder
Description for HEIDENHAIN LS 487 Sealed Linear Encoder
SpecificationsLS 487LS 477Measuring standardCoefficient of linear expansionGlass scale with DIADUR grating, grating period 20 µmαtherm 8 x 10–6 K–1 (mounting type I/II); with mounting spar: αtherm 9 x 10–6 K–1 (mounting type III)Accuracy grade*±5 µm; ±3 µmMeasuring length ML* in mmMounting spar* up to ML 1240 optional, necessary as of ML 1340 70 120 170 220 270 320 370 420 470 520 570 620 670 720770 820 920 1020 1140 1240 1340 1440 1540 1640 1740 1840 2040Reference marks* LS 4x7LS 4x7 C• Selectable with magnets every 50 mm• One reference mark at midpoint of measuring length• Two reference marks, each 35 mm (for ML ≤ 1 020 mm) or 45 mm (for ML ≥ 1 140 mm) from the beginning and end of the measuring lengthDistance-codedInterface 1 VPP TTLIntegrated interpolation*Signal period–20 µm5-fold–10-fold–20-fold–Diagnostics interfaceAnalog–Cutoff frequency –3 dB≥ 160 kHz–––Scanning frequency*Edge separation a–100 kHz≥ 0.5 µs50 kHz≥ 1 µs100 kHz≥ 0.25 µs50 kHz≥ 0.5 µs25 kHz≥ 1 µs50 kHz≥ 0.25 µs25 kHz≥ 0.5 µsMeasuring stepDepends on interpolation1 µm1)0.5 µm1)0.25 µm1)Electrical connectionSeparate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting blockCable length2)≤ 150 m≤ 100 mVoltage supply without loadDC 5 V ±0.25 V/< 120 mADC 5 V ±0.25 V/< 140 mATraversing speed≤ 120 m/min≤ 120 m/min≤ 60 m/min≤ 120 m/min≤ 60 m/min≤ 30 m/min≤ 60 m/min≤ 30 m/minRequired moving force≤ 5 NVibration 55 Hz to 2000 HzShock 11 msAccelerationWithout mounting spar: ≤ 100 m/s2 (EN 60 068-2-6)With mounting spar, cable outlet at right: ≤ 200 m/s2, links: 100 m/s2 (EN 60 068-2-6)≤ 300 m/s2 (EN 60 068-2-27)≤ 100 m/s2 in measuring directionOperating temperature0 °C to 50 °CProtection EN 60 529IP53 when installed according to mounting instructions and information; IP64 with compressed air from DA 400Mass0.4 kg + 0.5 kg/m measuring length* Please select when ordering1) After 4-fold evaluation in the subsequent electronics2) With HEIDENHAIN cable
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