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L18B
The L18B optical incremental linear encoder offers high-precision position feedback with measuring lengths up to 3,240 mm, accuracy grades down to ±5 μm, and grating periods of 20 μm or 40 μm. Designed for demanding industrial environments, it delivers stable performance, reliable sealing, and smooth motion thanks to low moving force requirements.
Key Features
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Measuring length up to 3,240 mm
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Accuracy grade up to ±5 μm (depending on ML)
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Grating periods: 20 μm or 40 μm
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Multiple reference mark options, including distance-coded
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High traversing speeds up to 1 m/s
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Low moving force (< 3 N) with sealing lips
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Protection rating up to IP64 (with compressed air)
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Wide operating temperature range: 0…+50°C
Mechanical Data Table
| Parameter | Specification |
|---|---|
| Measuring lengths (ML) | 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 lengths on request) |
| Accuracy grades (20°C) | ML 70–2040: ±10 μm or ±5 μm (optional); ML 2040–3240: ±10 μm |
| Grating period | 20 μm; 40 μm (optional) |
| Reference marks (RI) | ML ≤ 1020 mm: 35 mm from both ends; ML ≥ 1140 mm: 45 mm from both ends; optional: single RI anywhere, or multiple RI’s (n×50 mm) or distance-coded |
| Max. traversing speed | Interpolation 1/2/5/10: 1 m/s; Interpolation 25: 0.5 m/s; Interpolation 50: 0.4 m/s |
| Moving force (with sealing lips) | < 3 N |
| Protection (IEC 529) | IP64 (with compressed air) |
| Weight | 0.4 kg + 1 kg/m |
| Operating temperature | 0…+50°C |
| Storage temperature | –20…+70°C |
| Permissible vibration (40–2000 Hz) | ≤ 30 m/s² |
| Permissible shock (11 ms) | ≤ 100 m/s² |
