HEIDENHAIN AK ECA 4490 P Modular Angle Encoder With Optical Scanning

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; ?i Interface

Mitsubishi high speed interface

Panasonic Serial Interface

Ordering designation

EnDat22

Fanuc05

Mit03-4

Pana01

Clock frequency

? 16 MHz

–

Calculation time tcal

? 5 µs

–

Functional safety

For applications up to

SIL 2 according to EN 61 508
(further basis for testing: EN 61 800-5-2) Category 3, PL 'd” as per EN ISO 13 849-1:2015

–

PFH

? 20 · 10–9
(up to 6000 m above sea level)

–

Electrical connection

Cable, 1 m or 3 m with 8-pin M12 coupling (male) or 15-pin D-sub connector

Cable length1)

? 100 m

? 50 m

? 30 m

? 50 m

Voltage supply

DC 3.6 V to 14 V

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

Current consumption (typical)

At 5 V: 90 mA
(without load)

At 5 V: 100 mA
(without load)

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)

Operating temperature

–10 °C to 70 °C2)

–10 °C to 70 °C

Protection EN 60 5293)

IP67

Mass Scanning head

Connecting cable

Coupling (M12)

18 g (without cable)

20 g/m

15 g

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

Measuring standard

Coefficient of expansion

Steel drum

?therm ? 10.4 · 10–6 K–1

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
mm

127.64 mm

148.2
mm

178.55 mm

208.89 mm

254.93 mm

331.31
mm

484.07 mm

560.46 mm

Safe position1) 2)

±0.88°

±0.44°

±0.22°

±0.11°

Safety-related measuring step SM

0.352°
(10 bits)

0.176°
(11 bits)

0.088°
(12 bits)

0.044°
(13 bits)

Mech. permissible speed

? 8500
rpm

? 6250 rpm

? 5250 rpm

? 4500 rpm

? 4250 rpm

? 3250 rpm

? 2500 rpm

? 1800 rpm

? 1500 rpm

Max. angular acceleration

14 000
rad/s2

6600
rad/s2

7900
rad/s2

2700
rad/s2

1800
rad/s2

1000
rad/s2

1300
rad/s2

900
rad/s2

1200
rad/s2

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)

Positions per revolution

134 217 728 (27 bits)

268 435 456 (28 bits)

536 870 912 (29 bits)

Measuring step

0.0097'

0.0048'

0.0024'

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(1?)

±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

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)

Measuring standard

Coefficient of expansion

Steel drum

?therm ? 10.4 · 10–6 K–1

Drum inside diameter*

70 mm

80 mm

120 mm/
150 mm

130 mm

150 mm/
185 mm

180 mm/
210 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/
4.5 · 10–3
kgm2

1.7 · 10–3
kgm2

12/
6.5 · 10–3
kgm2

28/
20 · 10–3
kgm2

59 · 10–3
kgm2

199 · 10-3 kgm2

263 · 10-3 kgm2

Permissible axial movement

? ±0.4 mm (scale drum relative to the scanning head)

Positions per revolution

134 217 728 (27 bits)

268 435 456 (28 bits)

536 870 912 (29 bits)

Measuring step

0.0097'

0.0048'

0.0024'

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

Mass

Scale drum

? 0.42 kg

? 0.69 kg

? 1.2 kg/
0.66 kg

? 0.35 kg

? 1.5 kg/
0.66 kg

? 2.3 kg/
1.5 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