Specifications

LC 485

Measuring standard

Coefficient of linear expansion

DIADUR glass scale with absolute track and incremental track, grating period 20 μm

α_therm ≈ ? 8 x 10^-6 K^-1 (mounting type (I)/(II)); with mounting spar: α_therm ≈ ? 9 x 10^-6K^-1 (mounting type (III))

Accuracy grade*

± 3 μm; ± 5 μm

Measuring length ML* 
in mm

Mounting spar* or clamping elements* up to ML 1 240 optional, necessary as of ML 1 340

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

770, 820, 920, 1020, 1140, 1240, 1340, 1440, 1540, 1640, 1740, 1840, 2040

Functional safety*

Option1)

–

Interface

EnDat 2.2

Ordering designation

EnDat22

EnDat02

Resolution At ± 3 μm

At ± 5 μm

0.001 μm

0.010 μm

0.005 μm

0.010 μm

Diagnostics interface

Digital

Clock frequency

Calculation time tcal

≤ 16 MHz

≤ 5 μs

≤ 2 MHz

≤ 5 μs

Incremental signals

–

  1 VPP

Signal period

Cutoff frequency –3 dB

–

20 μm

≥ 150 kHz

Electrical connection

Separate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting block

Cable length

≤ 100 m2)

≤ 150 m2)

Voltage supply

3.6 V to 14 V DC

Power consumption (max.)

3.6 V: ≤ 1.1 W; 14 V: ≤ 1.3 W

Current consumption (typical)

5 V: 140 mA (without load)

Traversing speed

≤ 180 m/min

Required moving force

≤ 5 N

Vibration 55 to 2 000 Hz
affecting the

Shock 11 ms

Acceleration

Scanning unit: ≤ 200 m/s² (EN 60 068-2-6)

Housing without mounting spar: ≤ 100 m/s² (EN 60 068-2-6)

Housing with mounting spar, and cable outlet at right: ≤ 150 m/s², at left: ≤ 100 m/s²(EN 60 068-2-6)

≤ 300 m/s² (EN 60 068-2-27)

≤ 100 m/s² in measuring direction

Operating temperature

0 °C to +50 °C

Protection EN 60 529

IP 53 when installed according to instructions in the brochure, IP 64 with sealing air from DA 400

Weight

Encoder: 0.2 kg + 0.55 kg/m measuring length; mounting spar: 0.9 kg/m

* Please indicate when ordering 1) For dimensions and specifications, see separate Product Information document

2) With HEIDENHAIN cable, clock frequency ≤ 8 MHz