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Linear scale |
LIDA 409 |
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Measuring standard Coefficient of linear expansion |
Steel scale tape with METALLUR scale grating; grating period 20 µm αtherm 10 · 10–6 K–1 |
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Accuracy grade* |
±3 µm, ±15 µm1) |
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Baseline error |
≤ ±0.750 µm/50 mm (typical) |
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Measuring length ML* in mm |
70 120 170 220 270 320 370 |
Scale tape from the roll: 2 m,4 m, 6 m |
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Reference marks |
One at midpoint of measuring length |
Every 50 mm |
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Mass |
31 g/m |
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Scanning head |
LIDA 48 |
LIDA 47 |
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Interface |
1 VPP |
TTL |
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Integrated interpolation* Signal period |
– 20 µm |
5-fold 4 µm |
10-fold 2 µm |
50-fold 0.4 µm |
100-fold 0.2 µm |
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Cutoff frequency –3 dB |
≥ 400 kHz |
– |
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Scanning frequency* |
– |
≤ 400 kHz ≤ 200 kHz ≤ 100 kHz ≤ 50 kHz |
≤ 200 kHz ≤ 100 kHz ≤ 50 kHz ≤ 25 kHz |
≤ 50 kHz ≤ 25 kHz ≤ 12.5 kHz |
≤ 25 kHz ≤ 12.5 kHz ≤ 6.25 kHz |
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Edge separation a2) |
– |
≥ 0.100 µs ≥ 0.220 µs ≥ 0.465 µs ≥ 0.950 µs |
≥ 0.100 µs ≥ 0.220 µs ≥ 0.465 µs ≥ 0.950 µs |
≥ 0.080 µs ≥ 0.175 µs ≥ 0.370 µs |
≥ 0.080 µs ≥ 0.175 µs ≥ 0.370 µs |
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Traversing speed2) |
≤ 600 m/min |
≤ 480 m/min ≤ 240 m/min ≤ 120 m/min ≤ 60 m/min |
≤ 240 m/min ≤ 120 m/min ≤ 60 m/min ≤ 30 m/min |
≤ 60 m/min ≤ 30 m/min ≤ 15 m/min |
≤ 30 m/min ≤ 15 m/min ≤ 7.5 m/min |
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Interpolation error |
±45 nm |
– |
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Limit switches |
L1/L2 with two different magnets; output signals: TTL (without line driver) |
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Electrical connection |
Cable, 0.5 m, 1 m or 3 m with D-sub connector (male) 15-pin |
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Cable length |
See interface description, however limit: ≤ 20 m (with HEIDENHAIN cable) |
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Voltage supply |
DC 5 V ±0.5 V |
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Current consumption |
< 130 mA |
< 150 mA (without load) |
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Vibration 55 Hz to 2000 Hz Shock 6 ms |
≤ 500 m/s2 (EN 60 068-2-6) ≤ 1000 m/s2 (EN 60 068-2-27) |
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Operating temperature |
–10 °C to 70 °C |
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Mass Scanning head Connecting cable Connector |
20 g (without cable) 22 g/m 32 g |
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* Please select when ordering 1) ±5 µm after linear length-error compensation in the evaluation electronics 2) At a corresponding cutoff or scanning frequency |
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