HEIDENHAIN TTR ERM 2203 Modular Angle Encoder With Magnetic Scanning

Scale drum

TTR ERM 2203

Grating period ? 200 µm

Measuring standard

Coefficient 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 Hz

Shock 6 ms

Shock 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