ERP 880

ERP 880

Measuring standard

DIADUR phase grating on glass

Signal periods

180 000

Accuracy of graduation

±0.9”

Interpolation error per signal period1)

±0.1”

Reference marks

One

Hub inside diameter

51.2 mm

Mech. permissible speed

≤ 1000 rpm

Moment of inertia

1.2 · 10-3 kgm2

Permissible axial motion of measured shaft

≤ ±0.05 mm

Interface

  1 VPP

Cutoff frequency –3 dB

–6 dB

≥ 800 kHz

≥ 1.3 MHz

Electrical connection

With housing: Cable 1 m, with M23 coupling

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

Cable length

≤ 150 m (with HEIDENHAIN cable)

Voltage supply

DC 5 V ±0.5 V

Current consumption

≤ 250 mA (without load)

Vibration 55 to 2000 Hz

Shock 6 ms

≤ 50 m/s2 (EN 60 068-2-6)

≤ 1000 m/s2 (EN 60 068-2-27)

Operating temperature

0 °C to 50 °C

Protection* EN 60 529

Without housing: IP 00

With housing: IP 40

With housing and shaft seal: IP 64

Starting torque

–

0.25 Nm

Mass

3.0 kg

3.1 kg incl. housing

* Please select when ordering

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