
Scanning head |
AK ERM 2480 |
|
Interface |
1 VPP |
|
Cutoff frequency –3 dB |
≥ 300 kHz |
|
Signal period |
≈ 400 µm |
|
Line count* |
See ''Scale drum” |
|
Electrical connection* |
Cable 1 m, with or without coupling, tangential or axial cable outlet |
|
Cable length |
≤ 150 m (with HEIDENHAIN cable) |
|
Voltage supply |
5 V DC ± 0.5 V |
|
Current requirement |
≤ 150 mA (without load) |
|
Vibration 55 to 2000 Hz Shock 6 ms |
≤ 400 m/s2 (EN 60 068-2-6) ≤ 1000 m/s2 (EN 60 068-2-27) |
|
Operating temperature |
–10 °C to +100 °C |
|
Protection EN 60 529 |
IP67 |
|
Mass |
≈ 0.15 kg (with cable) |
Scale drum |
ERM 2404 scale drum |
TTR ERM 2405 |
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Measuring standard |
MAGNADUR graduation; signal period of approx. 400 µm |
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Line count* |
512 |
600 |
900 |
1 024 |
512 |
600 |
Position error per |
±18'' |
±15.5'' |
±10.5'' |
±9'' |
±18'' |
±15.5'' |
Accuracy of graduation |
±17'' |
±14'' |
±10'' |
±9'' |
±17'' |
±14'' |
Reference mark |
One |
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Inside diameter* |
40 mm |
55 mm |
80 mm |
100 mm |
40 mm |
55 mm |
Outside diameter |
64.37 mm |
75.44 mm |
113.16 mm |
128.75 mm |
64.37 mm |
75.44 mm |
Mech. permissible speed |
≤ 42 000 rpm |
≤ 36 000 rpm |
≤ 22 000 rpm |
≤ 20 000 rpm |
≤ 33 000 rpm |
≤ 27 000 rpm |
Moment of inertia of rotor |
0.12 · 10-3 kgm2 |
0.19 · 10-3 kgm2 |
1.0 · 10-3 kgm2 |
1.4 · 10-3 kgm2 |
0.11 · 10-3 kgm2 |
0.17 · 10-3 kgm2 |
Permissible axial motion |
±0.5 mm |
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Mass approx. |
0.17 kg |
0.17 kg |
0.42 kg |
0.43 kg |
0.15 kg |
0.15 kg |
* Please select or indicate when ordering 1) The position error within one signal period and the accuracy of the graduation result together in the encoder-specific error; Other line counts/dimensions upon request |