Specifi cationsLIDA 485LIDA 475Measuring standard Expansion coeffi cientSteel scale tape with AURODUR graduationDepending on the mounting surface Accuracy grade ± 5 µm Measuring length ML* in mm 140 240 340 440 540 640 740 840 940 1040 1140 1240 1340 14401540 1640 1740 1840 1940 2040Larger measuring lengths up to 30 040 mm with a single-section scale tape andindividual scale-carrier sectionsReference marksOne at midpoint of measuring length Incremental signals » 1 V
PP « TTLGrating period20 µmIntegrated interpolation * Signal period–20 µm5-fold4 µm10-fold2 µm50-fold0.4 µm100-fold0.2 µmCutoff frequency –3dB ‡ 400 kHz–Scanning frequency * – † 200 kHz † 100 kHz † 50 kHz † 25 kHz 6.25 kHzEdge separation † 100 kHz † 50 kHz † 25 kHz † 12.5 kHz † a † 50 kHz † 25 kHz † 12.5 kHz
1) – ‡ 0.220 µs ‡ 0.220 µs ‡ 0.080 µs ‡ 0.080 µs ‡ 0.465 µs ‡ 0.465 µs ‡ 0.175 µs ‡ 0.175 µs ‡ 0.950 µs ‡ 0.950 µs ‡ 0.370 µs ‡ 0.370 µs Traversing speed
1) 480 m/min † 240 m/min † 120 m/min † 60 m/min † 30 m/min † 120 m/min † 60 m/min † 30 m/min † 15 m/min † 60 m/min † 30 m/min † 15 m/min † 7.5 m/min Limit switches L1/L2 with two different magnets; output signals: TTL (without line driver) Power supplyPower consumption 5 V ± 5%< 100 mA5 V ± 5%< 170 mA (without load)5 V ± 5%< 255 mA (without load) Electrical connection Cable 3 m with D-sub connector (15-pin), interface electronics for LIDA 475 integrated in the connectorCable length
2) † 20 m Vibration 55 to 2000 Hz † 200 m/s
2 * Please indicate when ordering
2 (IEC 60 068-2-6) Shock 11 ms † 500 m/s (IEC 60 068-2-27) Operating temperature 0 °C to 50 °C Weight Scanning head Interface electronics Scale Connecting cable20 g (without connecting cable)140 g 115 g + 0.25 g/mm measuring length 22 g/m
1) At the corresponding cutoff or scanning frequency
2) With HEIDENHAIN cable

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