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ERP 880

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ERP 880

Measuring standard

DIADUR phase grating on glass

Signal periods

180 000

Accuracy of graduation

± 0.9”

Position error per signal period1)

± 0.1”

Reference marks

One

Hub inside diameter

51.2 mm

Mech. permissible speed

≤ 1 000 min-1

Moment of inertia of rotor

1.2 · 10–3 kgm2

Permissible axial motion of measured shaft

≤ ± 0.05 mm

Interface

1 VPP

Cutoff –3 dB

frequency -6 dB

≥ 800 kHz
≥ 1.3 MHz

Electrical connection

With cover: Cable 1 m, with M23 coupling

Without cover: Via 12-pin PCB connector (adapter cable ID 372164-xx)

Cable length

≤ 150 m (with HEIDENHAIN cable)

Voltage supply

5 V DC ± 0.5 V

Current requirement

≤ 250 mA (without load)

Vibration 55 to 2 000 Hz

Shock 6 ms

≤ 50 m/s2 (EN 60 068-2-6)

≤ 1 000 m/s2 (EN 60 068-2-27)

Operating temperature

0 °C to 50 °C

Protection* EN 60 529

Without cover: IP 00

With cover: IP 40

With cover and rotary shaft seal: IP 64

Starting torque

0.25 Nm

Weight

3.0 kg

3.1 kg incl. cover

* Please select 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