HEIDENHAIN LIDA 403 Exposed Linear Encoder

Linear scale

LIDA 403

Measuring standard

Coefficient of linear expansion*

METALLUR scale grating on glass ceramic or glass; grating period 20 µm

?therm  8 · 10–6 K–1 (glass)

?therm = (0±0.5) · 10–6 K–1 (Robax glass ceramic)

Accuracy grade*

±1 µm (only for Robax glass ceramic), ±3 µm, ±5 µm

Linear scale

LIDA 403

Measuring standard

Coefficient of linear expansion*

METALLUR scale grating on glass ceramic or glass; grating period 20 µm

?therm  8 · 10–6 K–1 (glass)

?therm = (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

? 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 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