Linear scale
LIDA 407
Measuring standard
Coefficient of linear expansion
Steel scale tape with METALLUR scale grating; grating period 20 µm
αtherm 10 · 10–6 K–1
Accuracy grade*
±3 µm (up to ML 1040); ±5 µm (from ML 1240); ±15 µm1)
Baseline error
≤ ±0.750 µm/50 mm (typical)
Measuring length ML* in mm
240 440 640 840 1040 1240 1440 1640 1840 2040 2240 2440 2640 2840
3040 3240 3440 3640 3840 4040 4240 4440 4640 4840 5040 5240 5440 5640
5840 6040
Reference marks
One at midpoint of measuring length
Mass
25 g + 0.1 g/mm measuring length
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
≥ 500 kHz
Scanning frequency*
≤ 400 kHz
≤ 200 kHz
≤ 100 kHz
≤ 50 kHz
≤ 25 kHz
≤ 12.5 kHz
≤ 6.25 kHz
Edge separation a2)
≥ 0.100 µs
≥ 0.220 µs
≥ 0.465 µs
≥ 0.950 µs
≥ 0.080 µs
≥ 0.175 µs
≥ 0.370 µs
Traversing speed2)
≤ 600 m/min
≤ 480 m/min
≤ 240 m/min
≤ 120 m/min
≤ 60 m/min
≤ 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
Exposed Linear Encoders
CAD
Mounting Instructions Parts Kit LIDA 407
Mounting Instructions Scanning head LIDA 48
Mounting Instructions Scanning head LIDA 47