HEIDENHAIN LS 688 C Sealed Linear Encoder

Incremental

Specifications

LS 688 C

LS 628 C

Measuring standard

Glass scale with DIADUR graduation

Accuracy grade

± 10 µm

Measuring length ML*

170, 220, 270, 320, 370, 420, 470, 520, 570, 620, 670, 720, 770, 820,

870, 920, 970, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040, 2240,

2440, 2640, 2840, 3040

Incremental signals

1 VPP

TTL

Grating period

20 µm

Edge separation a

–

? 5 µs

Reference mark

Distance-coded

Recommended
measuring step1)

10 µm, 5 µm

Power supply

5 V DC ± 5 %/< 100 mA (without load)

Electrical connection

Separate adapter cable connectable to mounting block

Cable length

? 30 m (with HEIDENHAIN cable)

Traversing speed

? 60 m/min

Required moving force

? 5 N

Vibration 55 Hz to 2 000 Hz

Shock 6 ms

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

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

Operating temperature

0 °C to 50 °C

Protection EN 60 529

IP 53 when mounted according to the instructions

Weight

0.7 kg + 2 kg/m ML

* Please select when ordering

1) For position measurement