
Scanning head |
AK ECA 4410 |
AK ECA 4410 |
AK ECA 4490 F |
AK ECA 4490 M |
AK ECA 4490 P |
Interface |
EnDat 2.2 |
Fanuc Serial Interface; αi Interface |
Mitsubishi high speed interface |
Panasonic Serial Interface |
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Ordering designation |
EnDat22 |
Fanuc05 |
Mit03-4 |
Pana01 |
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Clock frequency |
≤ 16 MHz |
– |
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Calculation time tcal |
≤ 5 µs |
– |
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Functional safety For applications up to |
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– |
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PFH |
≤ 20 · 10–9 |
– |
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Electrical connection |
Cable, 1 m or 3 m with 8-pin M12 coupling (male) or 15-pin D-sub connector |
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Cable length1) |
≤ 100 m |
≤ 50 m |
≤ 30 m |
≤ 50 m |
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Voltage supply |
DC 3.6 V to 14 V |
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Power consumption (max.) |
At 3.6 V: 700 mW At 14 V: 800 mW |
At 3.6 V: 850 mW At 14 V: 950 mW |
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Current consumption (typical) |
At 5 V: 90 mA |
At 5 V: 100 mA |
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Vibration 55 to 2000 Hz Shock 6 ms |
≤ 200 m/s2 (EN 60 068-2-6) ≤ 200 m/s2 (EN 60 068-2-27) |
≤ 500 m/s² (EN 60 068-2-6) ≤ 1000 m/s² (EN 60 068-2-27) |
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Operating temperature |
–10 °C to 70 °C2) |
–10 °C to 70 °C |
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Protection EN 60 5293) |
IP67 |
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Mass Scanning head Connecting cable Coupling (M12) |
18 g (without cable) 20 g/m 15 g |
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1) With HEIDENHAIN cable; clock frequency ≤ 8 MHz 2) With drum outside diameter of 104.63 mm: 10 °C to 70 °C 3) In the application the device must be protected from contamination by solids and liquids. If necessary, use a suitable enclosure with seal and sealing air |
Scale drum |
TTR ECA 4400 scale drum |
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Measuring standard Coefficient of expansion |
Steel drum αtherm ≈ 10.4 · 10–6 K–1 |
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Drum inside diameter* |
70 mm |
80 mm |
120 mm |
120 mm |
150 mm |
180 mm |
270 mm |
425 mm |
512 mm |
Drum outside diameter* |
104.63 |
127.64 mm |
148.2 |
178.55 mm |
208.89 mm |
254.93 mm |
331.31 |
484.07 mm |
560.46 mm |
Safe position1) 2) |
±0.88° |
±0.44° |
±0.22° |
±0.11° |
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Safety-related measuring step SM |
0.352° |
0.176° |
0.088° |
0.044° |
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Mech. permissible speed |
≤ 8500 |
≤ 6250 rpm |
≤ 5250 rpm |
≤ 4500 rpm |
≤ 4250 rpm |
≤ 3250 rpm |
≤ 2500 rpm |
≤ 1800 rpm |
≤ 1500 rpm |
Max. angular acceleration |
14 000 |
6600 |
7900 |
2700 |
1800 |
1000 |
1300 |
900 |
1200 |
Elec. permissible speed |
≤ 7000 rpm |
≤ 5750 rpm |
≤ 4400 rpm |
≤ 3000 rpm |
≤ 2550 rpm |
≤ 2100 rpm |
≤ 900 rpm |
≤ 600 rpm |
≤ 550 rpm |
Moment of inertia |
0.81 · 10-3 kgm2 |
1.9 · 10-3 kgm2 |
2.3 · 10-3 kgm2 |
7.1 · 10-3 kgm2 |
12 · 10-3 kgm2 |
28 · 10-3 kgm2 |
59 · 10-3 kgm2 |
195 · 10-3 kgm2 |
258 · 10-3 kgm2 |
Permissible axial movement |
≤ ±0.4 mm (scale drum relative to the scanning head) |
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Positions per revolution |
134 217 728 (27 bits) |
268 435 456 (28 bits) |
536 870 912 (29 bits) |
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Measuring step |
0.0097'' |
0.0048'' |
0.0024'' |
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Signal periods |
8195 |
10 010 |
11 616 |
14 003 |
16 379 |
19 998 |
25 993 |
37 994 |
44 000 |
Accuracy of graduation |
±3.7” |
±3.0” |
±2.8” |
±2.5” |
±2.5” |
±2.5” |
±2.5” |
±2.0” |
±2.0” |
Interpolation error per signal period RMS(1δ) |
±0.20'' 0.040'' |
±0.16'' 0.032'' |
±0.14'' 0.028'' |
±0.12'' 0.023'' |
±0.10'' 0.020'' |
±0.08'' 0.016'' |
±0.06'' 0.012'' |
±0.04'' 0.009'' |
±0.04'' 0.007'' |
Protection EN 60 5293) |
Complete encoder in mounted condition: IP00 |
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Mass |
≈ 0.40 kg |
≈ 0.68 kg |
≈ 0.51 kg |
≈ 1.2 kg |
≈ 1.5 kg |
≈ 2.3 kg |
≈ 2.6 kg |
≈ 3.8 kg |
≈ 3.6 kg |
* Please select when ordering 1) Further tolerances may occur in subsequent electronics after position value comparison (contact manufacturer of subsequent electronics) 2) Mechanical connection: fault exclusions for loosening of the scanning head and scale drum (page 36) 3) In the application the device must be protected from contamination by solids and liquids. If necessary, use a suitable enclosure with seal and sealing air |
Scale drum |
TTR ECA 4402 (ECA 4402 scale drum) |
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Measuring standard Coefficient of expansion |
Steel drum αtherm ≈ 10.4 · 10–6 K–1 |
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Drum inside diameter* |
70 mm |
80 mm |
120 mm/ |
130 mm |
150 mm/ |
180 mm/ |
270 mm |
425 mm |
512 mm |
Drum outside diameter* |
104.63 mm |
127.64 mm |
178.55 mm |
148.20 mm |
208.89 mm |
254.93 mm |
331.31 mm |
484.07 mm |
560.46 mm |
Mech. permissible speed |
≤ 8500 rpm |
≤ 6250 rpm |
≤ 4500 rpm |
≤ 5250 rpm |
≤ 4250 rpm |
≤ 3250 rpm |
≤ 2500 rpm |
≤ 1800 rpm |
≤ 1500 rpm |
Electrically permissible speed |
≤ 7000 rpm |
≤ 5750 rpm |
≤ 3000 rpm |
≤ 4400 rpm |
≤ 2550 rpm |
≤ 2100 rpm |
≤ 900 rpm |
≤ 600 rpm |
≤ 550 rpm |
Moment of inertia |
0.83 · 10-3 kgm2 |
2.0 · 10-3 kgm2 |
7.1/ |
1.7 · 10–3 |
12/ |
28/ |
59 · 10–3 |
199 · 10-3 kgm2 |
263 · 10-3 kgm2 |
Permissible axial movement |
≤ ±0.4 mm (scale drum relative to the scanning head) |
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Positions per revolution |
134 217 728 (27 bits) |
268 435 456 (28 bits) |
536 870 912 (29 bits) |
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Measuring step |
0.0097'' |
0.0048'' |
0.0024'' |
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Signal periods |
8195 |
10 010 |
14 003 |
11 616 |
16 379 |
19 998 |
25 993 |
37 994 |
44 000 |
Accuracy of graduation |
±3” |
±2.5” |
±2” |
±2.3” |
±1.9” |
±1.8” |
±1.7” |
±1.5” |
±1.5” |
Interpolation error per signal period RMS (1s) |
±0.20'' 0.040'' |
±0.16'' 0.032'' |
±0.12'' 0.023'' |
±0.14'' 0.028'' |
±0.10'' 0.020'' |
±0.08'' 0.016'' |
±0.06'' 0.012'' |
±0.04'' 0.009'' |
±0.04'' 0.007'' |
Protection EN 60 5291) |
Complete encoder in mounted condition: IP00 |
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Mass Scale drum |
≈ 0.42 kg |
≈ 0.69 kg |
≈ 1.2 kg/ |
≈ 0.35 kg |
≈ 1.5 kg/ |
≈ 2.3 kg/ |
≈ 2.6 kg |
≈ 3.8 kg |
≈ 3.7 kg |
* Please select when ordering 1) In the application the device must be protected from contamination by solids and liquids. If necessary, use a suitable enclosure with seal and sealing air |