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Photoelectric linear encoder L35T is very similar encoder to L35 series, but has different mounting parameters. It can also have up to 3.240 mm measuring length and is more vibration resistant than L18 series.
Technical data
| Mechanical Data | |
|---|---|
| Measuring lengths (ML), mm | 170; 220; 270; 320; 370; 420; 470; 520; 620; 720; 820; 920; 1020; 1140; 1240; 1340; 1440; 1540; 1640; 1740; 1840; 1940; 2040; 2140; 2240; 2340; 2440; 2540; 2640; 2740; 2840; 2940; 3040; 3140; 3240 (other intermediate lengths on request) |
| Accuracy grades to any metre within the ML (at 20°C): - for ML from 170 up to 2040 mm - for ML from 2040 up to 3240 mm | ±5; ±3 ±10 μm |
| Grating period | 20 μm; 40 μm |
| Reference marks (RI): -standard for ML < 1020 mm -standard for ML > 1140 mm -optional - distance-coded - selection by magnets | 35mm from both ends of ML 45mm from both ends of ML one RI at any location, two or more RI's separated by distances of (n x 50 mm) see drawing standard - one magnet (RI) in ML middle |
| Max. traversing speed: -when interpolation factor is 1,2,5,10 -when interpolation factor is 25 -when interpolation factor is 50 | 1 m/s (shortly 2 m/s) 0.5 m/s 0.4 m/s |
| Required moving force with sealing lips | <5 N |
| Protection (IEC 529): -without compressed air -with compressed air (optional) | IP54 IP64 |
| Weight | 0.4 kg + 2.8 kg/m |
| Operating temperature | 0...+50°C |
| Storage temperature | -20...+70°C |
| Permissible vibration (40 to 2000 Hz) | ≤ 150 m/s² |
| Permissible shock (11 ms) | < 300 m/s² |