HEIDENHAIN LS 1679 Sealed Linear Encoder

Specifications

LS 1679

Measuring standard

Coefficient of linear expansion

Glass scale with DIADUR graduation

?therm approx. (8 ± 1) x 10-6 K-1

Accuracy grade

± 10 µm

Measuring length ML* in mm

70, 120, 170, 220, 270, 320, 370, 420, 4701)

Reference marks*

One, located 35 mm from the beginning or end of the measuring length,
or selectable via magnet every 50 mm

Interface

TTL

Measuring step
after 4-fold evaluation

5 µm

1 µm

Edge separation a

? 1.6 µs

? 0.8 µs

Electrical connection

Connecting cable, cable outlet at mounting block, left or right

Length*

3 m / 6 m1)

Connecting element*

With connector, male, 12-pin; coupling, male, 12-pin or with D-sub connector, 9-pin

Power supply

(without load)

5 V DC ± 0.25 V/< 120 mA

Traversing speed

? 60 m/min

Required moving force

? 5 N

Vibration 55 Hz to 2 000 Hz

Shock 11 ms

Acceleration

? 150 m/s2 (EN 60 068-2-6)

? 300 m/s2 (EN 60 068-2-27)

? 30 m/s2 in measuring direction

Operating temperature

0 °C to 50 °C

Protection EN 60 529

IP 53 when mounted according to the instructions

Mass

0.46 kg + 1.34 kg/m measuring length

Coupling the scanning unit*

By coupling rod (accessory) or spring rod

* Please select when ordering

1) Further lengths available on request