HEIDENHAIN LS 487 Sealed Linear Encoder

HEIDENHAIN LS 487 Sealed Linear Encoder

Product Name: HEIDENHAIN LS 487 Sealed Linear Encoder
Product Brand: HEIDENHAIN
Product Code: LS 487
Product Artikel: HEIDENHAIN LS 487 Sealed Linear Encoder
Specifications LS 487 LS 477 Measuring standard Coefficient of linear expansion Glass scale with DIADUR grating, grating period 20 µm α therm  8 x 10 –6 K –1 (mounting type I / II ); with mounting spar: α therm  9 x 10 –6 K –1 (mounting type III ) Accuracy grade* ±5 µm; ±3 µm Measuring length ML* in mm Mounting spar * up to ML 1240 optional, necessary as of ML 1340 70 120 170 220 270 320 370 420 470 520 570 620 670 720 770 820 920 1020 1140 1240 1340 1440 1540 1640 1740 1840 2040 Reference marks * LS 4x7 LS 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 length Distance-coded Interface   1 V PP  TTL Integrated interpolation * Signal period – 20 µm 5-fold – 10-fold – 20-fold – Diagnostics interface Analog – Cutoff frequency –3 dB ≥ 160 kHz – – – Scanning frequency * Edge separation a – 100 kHz ≥ 0.5 µs 50 kHz ≥ 1 µs 100 kHz ≥ 0.25 µs 50 kHz ≥ 0.5 µs 25 kHz ≥ 1 µs 50 kHz ≥ 0.25 µs 25 kHz ≥ 0.5 µs Measuring step Depends on interpolation 1 µm 1) 0.5 µm 1) 0.25 µm 1) Electrical connection Separate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting block Cable length 2) ≤ 150 m ≤ 100 m Voltage supply without load DC 5 V ±0.25 V/< 120 mA DC 5 V ±0.25 V/< 140 mA Traversing speed ≤ 120 m/min ≤ 120 m/min ≤ 60 m/min ≤ 120 m/min ≤ 60 m/min ≤ 30 m/min ≤ 60 m/min ≤ 30 m/min Required moving force ≤ 5 N Vibration 55 Hz to 2000 Hz Shock 11 ms Acceleration Without mounting spar: ≤ 100 m/s 2 (EN 60 068-2-6) With mounting spar, cable outlet at right: ≤ 200 m/s 2 , links: 100 m/s 2 (EN 60 068-2-6) ≤ 300 m/s 2 (EN 60 068-2-27) ≤ 100 m/s 2 in measuring direction Operating temperature 0 °C to 50 °C Protection EN 60 529 IP53 when installed according to mounting instructions and information; IP64 with compressed air from DA 400 Mass 0.4 kg + 0.5 kg/m measuring length * Please select when ordering 1) After 4-fold evaluation in the subsequent electronics 2) With HEIDENHAIN cable

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