HEIDENHAIN LF 185 Sealed Linear Encoder

Specifications

LF 185

Measuring standard

Coefficient of linear expansion

SUPRADUR phase grating on steel, grating period 8 µm

?therm  10 x 10–6 K–1

Accuracy grade*

±3 µm; ±2 µm

Measuring length ML* in mm

140 240 340 440 540 640 740 840 940 1040 1140 1240 1340 1440

1540 1640 1740 1840 2040 2240 2440 2640 2840 3040

Interface

  1 VPP

Signal period

4 µm

Reference marks* LF 185
LF 185 C

1 reference mark at midpoint; other reference mark positions upon request

Distance-coded

Diagnostics interface

Analog

Cutoff frequency –3 dB

? 250 kHz

Electrical connection

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

Cable length

? 150 m (with HEIDENHAIN cable)

Voltage supply
without load

DC 5 V ±0.25 V/< 150 mA

Traversing speed

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

Required moving force

? 4 N

Vibration 55 Hz to 2000 Hz
affecting the

Shock 11 ms

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

Scanning unit: ? 200 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

IP53 when installed according to instructions in the brochure

IP64 with sealing air via DA 400

Mass

0.8 kg + 4.6 kg/m measuring length

* Please select when ordering