HEIDENHAIN LC 485 Sealed Linear Encoder

Specifications

LC 415

LC 415

LC 485

Measuring standard

Coefficient of linear expansion

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

?therm  8 x 10–6 K–1 (mounting type I/II); with mounting spar: ?therm  9 x 10–6 K–1 (mounting type III)

Accuracy grade*

±3 µm, ±5 µm

Measuring length ML* in mm

Mounting spar* or clamping elements* up to ML 1240 optional, necessary as of ML 1340

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

for applications up to

• SIL-2 according to EN 61 508• Category 3, PL 'd” according to EN ISO 13 849-1:2008

–

PFH

? 15 x 10–9 (up to 6000 m above sea level)

–

Safe position1)

Encoder: ±550 ?m (safety-related meas. step SM = 220 ?m)

–

Mechanical connection: fault exclusions for loosening of the housing and scanning unit (page 21)

Interface

EnDat 2.2

Ordering designation

EnDat22

EnDat02

Measuring step At ±3 µm

At ±5 µm

0.001 µm

0.010 µm

0.005 µm

0.010 µm

Clock frequency (calculation time tcal)

? 16 MHz (? 5 µs)

? 2 MHz (? 5 µs)

Incremental signals

–

? 1 VPP (20 µm)

Cutoff frequency –3 dB

–

? 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

DC 3.6 V to 14 V

Power consumption (max.)

3.6 V: ? 1.1 W; 14 V: ? 1.3 W

Traversing speed

? 180 m/min (max. acceleration in measuring direction ? 100 m/s2)

Required moving force

? 5 N

Vibration 55 Hz to 2000 Hz
effecting the

Shock 11 ms

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, left: ? 100 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 5293)

IP53 when installed according to instructions in the brochure, IP64 with sealing air from DA 400

Mass

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

* Please select when ordering

1) Further tolerances may occur in subsequent electronics after position value comparison (contact manufacturer of subsequent electronics)

2) With HEIDENHAIN cable; cock frequency ? 8 MHz

3) In the application the LC must be protected from the intrusion of particles and liquids