HEIDENHAIN LC 291 F Sealed Linear Encoder

Specifications

LC 211

LC 281

LC 291 F

LC 291 M

Measuring standard

Coefficient of linear expansion

METALLUR steel scale tape with absolute track and incremental track, grating period 40 µm

?therm  10 x 10–6 K–1

Accuracy grade

± 5 µm

Measuring length ML* in mm

440 640 840 1040 1240 1440 1640 1840 2040 2240 2440 2640 2840 3040
3240 3440 3640 3840 4040 4240

Interface

EnDat 2.2

Fanuc Serial Interface ?i interface

Mitsubishi high speed interface

Ordering designation

EnDat22

EnDat02

Fanuc05

Mit03-04

Measuring step

0.010 µm

?i interface/? interface

0.0125 µm/0.050 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

–

40 µm

–

Cutoff frequency –3 dB

–

? 250 kHz

–

Electrical connection

Separate adapter cable (1 m/3 m/6 m/9 m) connectable at either end of mounting block

Cable length1)

? 100 m (at clock frequency ? 8 MHz)

? 150 m

? 50 m

? 30 m

Voltage supply

DC 3.6 V to 14 V

Power consumption (max.)

At 14 V: ? 1.3 W

At 3.6 V: ? 1.1 W

Current consumption (typical)

At 5 V: 225 mA (without load)

Traversing speed

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

Required moving force

? 15 N

Vibration 55 Hz to 2000 Hz
effecting the

Shock 11 ms

Housing: 200 m/s2 (EN 60 068-2-6)

Scanning unit: 300 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

IP 53 when installed according to mounting instructions, IP 64 with sealing air from DA 400

Mass

1.3 kg + 3.6 kg/m measuring length

* Please select when ordering

1) With HEIDENHAIN cable