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LIDA 279 / LIDA 289

Linear scale

LIDA 209

Measuring standard

Coefficient of linear expansion

Steel scale tape; grating period 200 µm

αtherm ≈  10 · 10-6 K-1

Accuracy grade

± 15 µm

Scale tape cut from roll*

3 m, 5 m, 10 m

Reference marks

Selectable every 100 mm

Weight

20 g/m

Scanning head

AK LIDA 28

AK LIDA 27

Interface

1 VPP

TTL

Integrated interpolation*

Signal period

200 µm

10-fold

20 µm

50-fold

4 µm

100-fold

2 µm

Cut-off frequency

Scanning frequency

Edge separation a

50 kHz

50 kHz

0.465 µs

25 kHz

0.175 µs

12.5 kHz

0.175 µs

Traversing speed

600 m/min

300 m/min

150 m/min

Electrical connection*

Cable, 1 m or 3 m with D-sub connector (male), 15-pin

Cable length

See Interface Description, but ≤ 30 m (with HEIDENHAIN cable)

Voltage supply

5 V DC ± 0.25 V

5 V DC ± 0.25 V

Current consumption

< 155 mA

< 165 mA (without load)

Vibration 55 to 2 000 Hz

Shock 11 ms

≤ 200 m/s2 (EN 60 068-2-6)

≤ 500 m/s2 (EN 60 068-2-27)

Operating temperature

-10 °C to 70 °C

Weight Scanning head

Connecting cable

Connector

20 g (without connecting cable)

30 g/m

32 g

* Please select when ordering