LIDA 473/483

  • Specifications
  • Documentation
Specifications

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

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 a1)

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 speed1)

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

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.