technical parameter

LS 487

LS 477

Accuracy level*

±5 µm; ±3 µm

Measurement length ML*Unit mm

For grating rulers up to ML 1240, the installation board * is optional, while for grating rulers above ML 1340, it is mandatory

70 120 170 220 270 320 370 420 470 520 570 620 670 720

770 820 920 1240 1540 1840 2040

Reference point*

LS 4x7

LS 4x7 C

• Magnetic stripe selection available every 50 mm
• 1, located at the midpoint of the measured length
• 2 reference points, each 35 mm away from the starting and ending points of the measured length (for ML)≤1020 mm) or 45 mm (for ML)≥1140 mm)

Distance encoding

Interface

1 VPP

TTL

Internal subdivision multiple*

Signal cycle

–

20 µm

5-fold

–

10-fold

–

20-fold

–

Diagnostic interface

simulation

–

Deadline frequency

–3 dB

≥160 kHz

–

–

–

Scanning frequency*

Edge spacing a

–

100 kHz

≥0.5 µs

50 kHz

≥1 µs

100 kHz

≥0.25 µs

50 kHz

≥0.5 µs

25 kHz

≥1 µs

50 kHz

≥0.25 µs

25 kHz

≥0.5 µs

Measure step distance

Depends on the subdivision magnification

1 µm1)

0.5 µm1)

0.25 µm1)

Electrical connection

A separate adapter cable (1 m/3 m/6 m/9 m) can be connected to the installation block

Cable length2)

≤150 m

≤100 m

No load power supply voltage

DC 5 V ±0.25 V/< 120 mA

DC 5 V ±0.25 V/< 140 mA

Movement speed

≤120 m/min

≤ 120 m/min

≤ 60 m/min

≤ 120 m/min

≤ 60 m/min

≤ 30 m/min

≤ 60 m/min

≤ 30 m/min

Required motion force

≤5 N

working temperature

0 °C to 50 °C

Protection levelEN 60 529

If it meets the installation instructions in the sample, it should be IP 53. If the sealed air connected to DA 400 is IP 64

weight

0.4 kg+0.5 kg/m measuring length