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LinkPhotoelectric linear encoder L35 is an incremental linear displacement measuring device that has up to 3.240 mm measuring length, up to ±3 μm accuracy grades to any meter within the ML depending on mea- suring length demanded. L35 series is more vibration resistant than L18 series of encoders.
Technical data
Mechanical Data | |
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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 |