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| Scale drum | TTR ERM 2203Grating period ? 200 µm | ||||||||
| Measuring standardCoefficient of expansion | Steel drum?therm ? 10 · 10–6 K–1 | ||||||||
| Signal periods | 1200 | 1440 | 1800 | 2048 | 2400 | 2800 | 3392 | 4096 | 5200 |
| Drum inside diameter* | 40 mm | 55 mm | 70 mm | 80 mm | 105 mm | 130 mm | 160 mm | 180 mm | 260 mm |
| Drum outside diameter* | 75.44 mm | 90.53 mm | 113.16 mm | 128.75 mm | 150.88 mm | 176.03 mm | 213.24 mm | 257.50 mm | 326.90 mm |
| Accuracy of graduation | ±6.5” | ±5.5” | ±4.5” | ±4” | ±3.5” | ±3” | ±2.5” | ±2” | ±1.5” |
| Interpolation error per signal period | ±4” | ±3.5” | ±3” | ±2.5” | ±2” | ±2” | ±1.5” | ±1.5” | ±1” |
| Reference mark | One or distance-coded | ||||||||
| Mech. permissible speed | ? 19 000 rpm | ? 18 500 rpm | ? 14 500 rpm | ? 13 000 rpm | ? 10 500 rpm | ? 9000 rpm | ? 7000 rpm | ? 6000 rpm | ? 4500 rpm |
| Max. angular acceleration | 27 000 rad/s2 | 20 000 rad/s2 | 9000 rad/s2 | 6000 rad/s2 | 4900 rad/s2 | 3300 rad/s2 | 1900 rad/s2 | 820 rad/s2 | 560 rad/s2 |
| Moment of inertia | 0.32 · 10–3 kgm2 | 0.63 · 10–3 kgm2 | 1.5 · 10–3 kgm2 | 2.6 · 10–3 kgm2 | 4.4 · 10–3 kgm2 | 7.4 · 10–3 kgm2 | 16 · 10–3 kgm2 | 37 · 10–3 kgm2 | 76 · 10–3 kgm2 |
| Mass | ? 0.35 kg | ? 0.44 kg | ? 0.69 kg | ? 0.89 kg | ? 1.0 kg | ? 1.2 kg | ? 1.8 kg | ? 3.0 kg | ? 3.5 kg |
| Scanning head | AK ERM 2283 |
| Interface | ? 1 VPP |
| Cutoff frequency (–3dB) | ? 300 kHz |
| Grating period | ? 200 µm |
| Electrical connection | Cable, 1 m, with or without 12-pin M23 coupling (male) |
| Cable outlet | Tangential, to the left or right |
| Supply voltage | DC 5 V ±0.5 V |
| Current consumption (typical) | ? 35 mA (without load) |
| Cable length1) | ? 150 m |
| Vibration 55 Hz to 2000 HzShock 6 msShock 6 ms, with fault exclusion for the loosening of the mechanical connection | ? 400 m/s2 (EN 60068-2-6)? 1000 m/s2 (EN 60068-2-27)? 400 m/s2 (EN 60068-2-27) |
| Operating temperature | –10 °C to 60 °C |
| Protection class EN 60529 | IP67 |
| Mass Scanning head Connecting cable Coupling (M23) | ? 30 g (without cable)? 37 g/m? 50 g |
| 1) With HEIDENHAIN cable | |
Modular Angle Encoder With Magnetic Scanning