| Scanning head | Grating period ? 200 µm | Grating period ? 400 µm | Grating period ? 1000 µm | ||
| AK ERM 2280 | AK ERM 2480 | AK ERM 2420 | AK ERM 2410 | AK ERM 2980 | |
| Interface | 1 VPP | 1 VPP | TTL x 1, TTL x 2 | EnDat 2.22) | 1 VPP |
| Cutoff frequency (–3dB)Scanning frequency | ? 300 kHz– | –? 350 kHz | –– | ? 300 kHz– | |
| Integrated interpolation | – | 16 384 (14 bits) | – | ||
| Clock frequency | – | ? 8 MHz | – | ||
| Calculation time tcal | – | ? 5 µs | – | ||
| Electrical connection | Cable, 1 m, with or without 12-pin M23 coupling | Cable, 1 m, with 8-pin M12 coupling | Cable, 1 m, with or without 12-pin M23 coupling | ||
| Cable outlet | Tangentially to the left or right | Tangentially to the left or right, axially | Tangentially to the right | Tangentially to the left or right, axially | |
| Power supply | DC 5 V ±0.5 V | DC 3.6 V to 14 V | DC 5 V ±0.5 V | ||
| Current consumption (typical) | ? 150 mA (without load) | At 5 V: ? 90 mA (without load) | ? 150 mA (without load) | ||
| Power consumption (max.) | At 3.6 V: 1080 mW; at 14 V: 1300 mW | ||||
| Cable length1) | ? 150 m | ? 100 m | ? 150 m | ||
| Vibration 55 Hz to 2000 HzShock 6 msShock 6 ms, with fault exclusion for 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) | ? 300 m/s² (EN 60068-2-6) ? 1000 m/s² (EN 60068-2-27)? 400 m/s² (EN 60068-2-27) | ? 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 | –10 °C to 100 °C | |||
| Protection EN 60529 | IP67 | ||||
| Mass Scanning head Connecting cable M23 coupling | ? 30 g (without connecting cable)? 37 g/m? 50 g | ||||
| 1) With HEIDENHAIN cable2) Absolute position value after traverse of two reference marks | |||||
| Scale drum | TTR ERM 2200 Grating period ? 200 µm | ||||||||||
| Measuring standardCoefficient of expansion | Steel drum?therm ? 10 · 10–6 K–1 | ||||||||||
| Signal periods | 1024 | 1200 | 1440 | 1800 | 2048 | 2400 | 2800 | 3392 | 4096 | 5200 | 7200 |
| Drum inside diameter* | 40 mm | 40 mm/55 mm | 55 mm | 70 mm | 80 mm/95 mm | 105 mm/120 mm | 130 mm/140 mm | 160 mm | 180 mm/220 mm | 260 mm/295 mm | 380 mm/410 mm |
| Drum outside diameter* | 64.37 mm | 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 | 452.64 mm |
| Accuracy of graduation | ±12” | ±10” | ±8.5” | ±7” | ±6” | ±5.5/7” | ±5/6” | ±4” | ±3.5/4.5” | ±3/4” | ±2.5/3.5” |
| Interpolation error per signal period | ±9” | ±8” | ±6.5” | ±5.5” | ±4.5” | ±4” | ±4” | ±3” | ±2.5” | ±2” | ±1.5” |
| Reference mark | One or distance-coded | ||||||||||
| Mechanically permissible speed | ? 22 000 rpm | ? 19 000/ 18 000 rpm | ? 18 500 rpm | ? 14 500 rpm | ? 13 000/ 12 500 rpm | ? 10 500 rpm | ? 9000/8500 rpm | ? 7000 rpm | ? 6000 rpm | ? 4500 rpm | ? 3000 rpm |
| Maximumangular acceleration | 50 000 rad/s2 | 27 000 rad/s2/48 000 rad/s2 | 20 000 rad/s2 | 9000 rad/s2 | 6000 rad/s2/9000 rad/s2 | 4900 rad/s2/7000 rad/s2 | 3300 rad/s2/4400 rad/s2 | 1900 rad/s2 | 820 rad/s2/1800 rad/s2 | 560 rad/s2/1300 rad/s2 | 570 rad/s2/960 rad/s2 |
| Moment of inertia | 0.15 · 10–3 kgm2 | 0.32/0.24 · 10–3 kgm2 | 0.63 · 10–3 kgm2 | 1.5 · 10–3 kgm2 | 2.6/2.1 · 10–3 kgm2 | 4.4/3.4 · 10–3 kgm2 | 7.4/6.3 · 10–3 kgm2 | 16 · 10–3 kgm2 | 37/23 · 10–3 kgm2 | 76/42 · 10–3 kgm2 | 240/150 · 10–3 kgm2 |
| Permissible axial movement | ? ±1.25 mm | ||||||||||
| Mass | ? 0.21 kg | ? 0.35/0.22 kg | ? 0.44 kg | ? 0.69 kg | ? 0.89/0.65 kg | ? 1.0/0.72 kg | ? 1.2/0.99 kg | ? 1.8 kg | ? 3.0/1.6 kg | ? 3.5/1.7 kg | ? 5.4/3.2 kg |
| Scale drum | TTR ERM 2400 Grating period ? 400 µm | ||||||||||||
| Measuring standardCoefficient of expansion | Scale drum?therm ? 10 · 10–6 K–1 | ||||||||||||
| Signal periods | 512 | 600 | 720 | 900 | 1024 | 1200 | 1400 | 1696 | 2048 | 2600 | 3600 | 3850 | 4800 |
| Drum inside diameter* | 40 mm | 40 mm/55 mm | 55 mm | 70 mm | 80 mm/95 mm | 105 mm/120 mm | 130 mm/140 mm | 160 mm | 180 mm/220 mm | 260 mm/295 mm | 380 mm/410 mm | 450 mm | 512 mm |
| Drum outside diameter* | 64.37 mm | 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 | 452.64 mm | 484.07 mm | 603.52 mm |
| Accuracy of graduation | ±13” | ±11” | ±10” | ±8” | ±7” | ±6/8” | ±5.5/7” | ±4.5” | ±4/5” | ±3.5/4” | ±3/3.5” | ±3.5” | ±3” |
| Interpolation error per signal period | ±18” | ±15.5” | ±13” | ±10.5” | ±9” | ±8” | ±6.5” | ±5.5” | ±4.5” | ±3.5” | ±3” | ±2.5” | ±2” |
| Reference mark | One or distance-coded | ||||||||||||
| Mechanically permissible speed | ? 22 000 rpm | ? 19 000/ 18 000 rpm | ? 18 500 rpm | ? 14 500 rpm | ? 13 000/ 12 500 rpm | ? 10 500 rpm | ? 9000/8500 rpm | ? 7000 rpm | ? 6000 rpm | ? 4500 rpm | ? 3000 rpm | ? 3000 rpm | ? 1600 rpm |
| Maximumangular acceleration | 50 000 rad/s2 | 27 000 rad/s2/48 000 rad/s2 | 20 000 rad/s2 | 9000 rad/s2 | 6000 rad/s2/9000 rad/s2 | 4900 rad/s2/7000 rad/s2 | 3300 rad/s2/4400 rad/s2 | 1900 rad/s2 | 820 rad/s2/1800 rad/s2 | 560 rad/s2/1300 rad/s2 | 570 rad/s2/960 rad/s2 | 470 rad/s2 | 230 rad/s2 |
| Moment of inertia | 0.15 · 10–3 kgm2 | 0.32/0.24 · 10–3 kgm2 | 0.63 · 10–3 kgm2 | 1.5 · 10–3 kgm2 | 2.6/2.1 · 10–3 kgm2 | 4.4/3.4 · 10–3 kgm2 | 7.4/6.3 · 10–3 kgm2 | 16 · 10–3 kgm2 | 37/23 · 10–3 kgm2 | 76/42 · 10–3 kgm2 | 235/151 · 10–3 kgm2 | 153 · 10–3 kgm2 | 713 · 10–3 kgm2 |
| Permissible axial movement | ? ±1.25 mm | ||||||||||||
| Mass | ? 0.21 kg | ? 0.35/0.22 kg | ? 0.44 kg | ? 0.69 kg | ? 0.89/0.65 kg | ? 1.0/0.72 kg | ? 1.2/0.99 kg | ? 1.8 kg | ? 3.0/1.6 kg | ? 3.5/1.7 kg | ? 5.4/3.2 kg | ? 2.8 kg | ? 9.1 kg |
| * Please select when ordering | |||||||||||||
Modular Angle Encoder With Magnetic Scanning
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