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ERM 2200 Series

Scanning head

AK ERM 2280

Incremental signals

1 VPP

Cutoff frequency –3 dB

≥ 300 kHz

Signal period

Approx. 200 µm

Line count*

See “Scale drum”

Power supply

5 V DC ± 10 %

Current consumption

≤ 150 mA (without load)

Electrical connection*

Cable 1 m, with or without coupling

Cable length

≤ 150 m (with HEIDENHAIN cable)

Vibration 55 to 2000 Hz

Shock 6 ms

≤ 400 m/s2 (EN 60 068-2-6)

≤ 1000 m/s2 (EN 60 068-2-27)

Operating temperature

-10 °C to 60 °C

Protection EN 60 529

IP 67

Weight

Approx. 0.15 kg (with cable)

Scale drum

TTR ERM 2200 C

Measuring standard

MAGNADUR graduation; signal period of approx. 200 µm

Inside diameter*

70 mm

80 mm

130 mm

180 mm

260 mm

380 mm

Outside diameter

113.16 mm

128.75 mm

176.03 mm

257.50 mm

326.90 mm

452.64 mm

Line count*

1 800

2 048

2 800

4 096

5 200

7 200

Position error per signal period 1)

± 5.5“

± 4.5“

± 3.5“

± 2.5“

± 2“

± 1.5“

Accuracy of graduation

± 7“

± 6“

± 5“

± 3.5“

± 3“

± 2.5“

Reference mark

Distance-coded

Angle for absolute reference

≤ 20°

≤ 22.5°

≤ 14.4°

≤ 11.25°

≤ 13.85°

≤ 8°

Mech. permissible speed

≤ 14 500 min-1

≤ 13 000 min-1

≤ 9 000 min-1

≤ 6 000 min-1

≤ 4 500 min-1

≤ 3 000 min-1

Moment of inertia of the rotor

1.6 · 10–3 kgm2

2.7 · 10–3 kgm2

7.7 · 10–3 kgm2

38 · 10–3 kgm2

76 · 10–3 kgm2

235 · 10–3 kgm2

Permissible axial motion

± 1.25 mm

Weight approx.

0.69 kg

0.89 kg

1.2 kg

3.0 kg

3.5 kg

5.4 kg

* Please select or indicate when ordering

1) The position error within one signal period and the accuracy of the graduation result together in the encoder-specific error; for additional error through mounting and the bearing of the measured shaft, see Measuring accuracy

Other line counts/dimensions upon request