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HEIDENHAIN LC 495 S Functional Safety Sealed Linear Encoder

BRAND : HEIDENHAIN

Specifications

LC 495 S

LC 495 S

LC 495 F

LC 495 M

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/...

Details

Specifications

LC 495 S

LC 495 S

LC 495 F

LC 495 M

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 1 440 1540 1640 1740 1840 2040

Functional safety

for applications up to

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

PFH

25 x 10–9 (up to 1000 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

DRIVE-CLiQ

Fanuc Serial Interface/?i interface

Mitsubishi high speed interface

Ordering designation

DQ01

Fanuc05

Mit03-04

Measuring step

At ±3 µm

At ±5 µm

0.001 µm

0.010 µm

?i interface/? interface

0.00125 µm/0.010 µm

0.0125 µm/0.050 µm

0.001 µm

0.010 µm

Clock frequency (calculation time tcal)

Electrical connection

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

Cable length

? 30 m2)

? 50 m

? 30 m

Voltage supply

DC 10 V to 28.8 V

DC 3.6 V to 14 V

Power consumption (max.)

10 V: ? 1.5 W; 28.8 V: ? 1.7 W

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) Larger cable lengths upon request

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