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