LIDA 477/487

  • Specifications
  • Documentation
Specifications

Linear scale

LIDA 407

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 (up to ML 1040); ±5 µm (from ML 1240); ±15 µm1)

Baseline error

±0.750 µm/50 mm (typical)

Measuring length ML* in mm

240 440 640 840 1040 1240 1440 1640 1840 2040 2240 2440 2640 2840

3040 3240 3440 3640 3840 4040 4240 4440 4640 4840 5040 5240 5440 5640

5840 6040

Reference marks

One at midpoint of measuring length

Mass

25 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 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)

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 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