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Photoelectric linear encoder L18B is able to have the measuring length of up to 3.240 mm, maximum accuracy of ±5 μm to any meter within the ML and grating periods of ±20 μm, ±40 μm.
Technical data
| MECHANICAL DATA | ||
|---|---|---|
| Measuring lengths (ML), mm | 70; 120; 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 70 to 2040 - for ML 2040 to 3240 | ±10; ±5; ±10 μm | |
| Grating period | 20 μm; 40 μm (optional) | |
| Reference marks (RI): -standard for ML < 1020 mm -standard for ML > 1140 mm -optional | 35mm from both ends of ML 45mm from both ends of ML one RI at any location, or two or more RI's separated by distances of n x 50 mm or distance-coded | |
| Max. traversing speed: -when interpolation factor is 1,2,5,10 -when interpolation factor is 25 -when interpolation factor is 50 | 1 m/s 0.5 m/s 0.4 m/s | |
| Required moving force with sealing lips | <3 N | |
| Protection (IEC 529) -without compressed air -with compressed air (optional) | IP53 IP64 | |
| Weight | 0.4 kg + 1.0 kg/m | |
| Operating temperature | 0 ... +50°C | |
| Storage temperature | -20 ... +70°C | |
| Permissible vibration (40 to 2000 Hz) | ≤ 30 m/s² | |
| Permissible shock (11 ms) | ≤ 100 m/s² | |