Specifications
LF 485
Measuring standard
Coefficient of linear expansion
SUPRADUR phase grating on steel, grating period 8 µm
?therm 10 x 10–6 K–1
Accuracy grade*
±5 µm; ±3 µm
Measuring length ML* in mm
Mounting spar* optional
50 100 150 200 250 300 350 400 450 500 550 600 650 700
750 800 900 1000 1120 1220
Interface
1 VPP
Signal period
4 µm
Reference marks* LF 485
LF 485 C
• 1 reference mark at midpoint of measuring length
• 2 reference marks, each 25 mm (for ML ? 1000 mm) or 35 mm (for ML ? 1120 mm) from the beginning and end of the measuring length
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 with mounting spar: ? 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
0.4 kg + 0.6 kg/m measuring length
* Please select when ordering
