Linear scale
LIDA 403
Measuring standard
Coefficient of linear expansion*
METALLUR scale grating on glass ceramic or glass; grating period 20 µm
αtherm 8 · 10–6 K–1 (glass)
αtherm = (0±0.5) · 10–6 K–1 (Robax glass ceramic)
Accuracy grade*
±1 µm (only for Robax glass ceramic), ±3 µm, ±5 µm
Baseline error
≤ ±0.275 µm/10 mm
Measuring length ML* in mm
240 340 440 640 840 1040 1240 1440 1640 1840 2040 2240 2440
2640, 2840, 3040 (ROBAX glass ceramic with up to ML 1640)
Reference marks*
LIDA 4x3: One at midpoint of measuring length; LIDA 4x3 C: Distance-coded
Mass
3 g + 0.1 g/mm measuring length
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
≥ 500 kHz
Scanning frequency*
≤ 400 kHz
≤ 200 kHz
≤ 100 kHz
≤ 50 kHz
≤ 25 kHz
≤ 12.5 kHz
≤ 6.25 kHz
Edge separation a1)
≥ 0.100 µs
≥ 0.220 µs
≥ 0.465 µs
≥ 0.950 µs
≥ 0.080 µs
≥ 0.175 µs
≥ 0.370 µs
Traversing speed1)
≤ 600 m/min
≤ 480 m/min
≤ 240 m/min
≤ 120 m/min
≤ 60 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 15-pin D-sub connector (male)
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) At a corresponding cutoff or scanning frequency
Robax® is a registered trademark of Schott-Glaswerke, Mainz, Germany.
CAD
Mounting Instructions Scale tape LIDA 403
Mounting Instructions Scanning head LIDA 48
Mounting Instructions Scanning head LIDA 47