Specifications
LS 187
LS 177
Measuring standard
Coefficient of linear expansion
Glass scale with DIADUR grating, grating period 20 µm
?therm 8 x 10–6 K–1
Accuracy grade*
±5 µm; ±3 µm
Measuring length ML* in mm
140 240 340 440 540 640 740 840 940 1040 1140 1240 1340 1440
1540 1640 1740 1840 2040 2240 2440 2640 2840 3040
Reference marks* LS 1x7
LS 1x7 C
Selectable with magnets every 50 mm, standard setting: 1 reference mark in the center
Distance-coded
Interface
1 VPP
? TTL
Integrated interpolation*
Signal period
–
20 µm
5-fold
–
10-fold
–
20-fold
–
Diagnostics interface
Analog
–
Cutoff frequency –3 dB
? 160 kHz
–
–
–
Scanning frequency*
Edge separation a
–
100 kHz
? 0.5 µs
50 kHz
? 1 µs
100 kHz
? 0.25 µs
50 kHz
? 0.5 µs
25 kHz
? 1 µs
50 kHz
? 0.25 µs
25 kHz
? 0.5 µs
Measuring step
Depends on interpolation
1 µm1)
0.5 µm1)
0.25 µm1)
Electrical connection
Separate adapter cable (1 m/3 m/6 m/9 m) connectible to mounting block
Cable length2)
? 150 m
? 100 m
Voltage supply
without load
DC 5 V ±0.25 V/< 120 mA
DC 5 V ±0.25 V/< 140 mA
Traversing speed
? 120 m/min
? 120 m/min
? 60 m/min
? 120 m/min
? 60 m/min
? 30 m/min
? 60 m/min
? 30 m/min
Required moving force
? 4 N
Vibration 55 Hz to 2000 Hz
Shock 11 ms
Acceleration
? 200 m/s2 (EN 60 068-2-6)
? 400 m/s2 (EN 60 068-2-27)
? 60 m/s2 in measuring direction
Operating temperature
0 °C to 50 °C
Protection EN 60 529
IP53 when mounted according to the instructions and mounting information
IP64 if compressed air is connected via DA 400
Mass
0.4 kg + 2.3 kg/m measuring length
* Please select when ordering
1) After 4-fold evaluation in the subsequent electronics
2) With HEIDENHAIN cable
