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- HEIDENHAIN LIDA 409 Exposed Linear Encoder
HEIDENHAIN
HEIDENHAIN LIDA 409 Exposed Linear Encoder
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Linear scale
LIDA 409
Measuring standard
Coefficient of linear expansion
Steel scale tape with METALLUR scale grating; grating period 20 µm
?therm 10 · 10–6 K–1
Accuracy grade*
±3 µm, ±15 µm1)
Baseline error
? ±0.750 µm/50 mm (typical)
Measuring length ML* in mm
70 120 170 220 270 320 370
420 520 620 720 820 920 1020
Scale tape from the roll: 2 m,4 m, 6 m
Reference marks
One at midpoint of measuring length
Every 50 mm
Mass
31 g/m
Scanning head
LIDA 48
LIDA 47
Interface
1 VPP
? TTL
Integrated interpolation*
Signal period
–
20 µm
5-fold
4 µm
10-fold
2 µm
50-fold
0.4 µm
100-fold
0.2 µm
Cutoff frequency –3 dB
? 400 kHz
–
Scanning frequency*
–
? 400 kHz
? 200 kHz
? 100 kHz
? 50 kHz
? 200 kHz
? 100 kHz
? 50 kHz
? 25 kHz
? 50 kHz
? 25 kHz
? 12.5 kHz
? 25 kHz
? 12.5 kHz
? 6.25 kHz
Edge separation a2)
–
? 0.100 µs
? 0.220 µs
? 0.465 µs
? 0.950 µs
? 0.100 µs
? 0.220 µs
? 0.465 µs
? 0.950 µs
? 0.080 µs
? 0.175 µs
? 0.370 µs
? 0.080 µs
? 0.175 µs
? 0.370 µs
Traversing speed2)
? 600 m/min
? 480 m/min
? 240 m/min
? 120 m/min
? 60 m/min
? 240 m/min
? 120 m/min
? 60 m/min
? 30 m/min
? 60 m/min
? 30 m/min
? 15 m/min
? 30 m/min
? 15 m/min
? 7.5 m/min
Interpolation error
±45 nm
–
Limit switches
L1/L2 with two different magnets; output signals: TTL (without line driver)
Electrical connection
Cable, 0.5 m, 1 m or 3 m with D-sub connector (male) 15-pin
Cable length
See interface description, however limit: ? 20 m (with HEIDENHAIN cable)
Voltage supply
DC 5 V ±0.5 V
Current consumption
< 130 mA
< 150 mA (without load)
Vibration 55 Hz to 2000 Hz
Shock 6 ms
? 500 m/s2 (EN 60 068-2-6)
? 1000 m/s2 (EN 60 068-2-27)
Operating temperature
–10 °C to 70 °C
Mass Scanning head
Connecting cable
Connector
20 g (without cable)
22 g/m
32 g
* Please select when ordering
1) ±5 µm after linear length-error compensation in the evaluation electronics
2) At a corresponding cutoff or scanning frequency
