HEIDENHAIN ERO 2000 Modular Angle Encoder With Optical Scanning

Scanning head

AK ERO 2080

Interface

1 VPP

Reference mark signal

Square-wave pulse

Cutoff frequency –3 dB1)

? 1 MHz

Electrical connection*

15-pin D-sub connector (male) with 0.5 m/1 m/1.5 m/3 m cable

12-pin SHR-12V-S connector (female) with 0.5 m/1 m/1.5 m/3 m cable

Cable outlet on the left or right and straight or angled

Cable length

With HEIDENHAIN cable: ? 20 m; during signal adjustment with the PWM 21: ? 3 m

Supply voltage

DC 5 V ±0.5 V

Current consumption

? 150 mA (without load)

Vibration 55 Hz to 2000 Hz

Shock 6 ms

? 500 m/s2 (EN 60068-2-6)

? 1000 m/s2 (EN 60068-2-27)

Operating temperature

–10 °C to 70 °C

Protection

IP50

Mass Scanning head

Connector

Cable

? 5 g (without cable)

? 71 g

? 22 g/m

* Please select when ordering

1) Maximum frequency during referencing: 500 kHz

Circular scale

TKN ERO 2000 (full circle)

TKN ERO 20023) (segment)

Measuring standard

SUPRADUR graduation on glass

Measuring range

360°

45°

Signal periods

4096

25003)

2500 over 360°

Accuracy of graduation1)

±8”

±10'

–

Interpolation error2)

±0.3”

±0.5”

±0.5”

Position noise RMS (1 MHz)

0.03”

0.04”

0.04”

Reference marks

One

One

One on every side

Hub inside diameter

5 mm

–

–

Dimensions of graduation carrier

Ø 30 mm

Ø 18.6 mm

18.6 mm x 9 mm

Centering pin

–

3 mm

3 mm

Mech. permissible shaft speed

? 14 000 rpm

Moment of inertia

4.1 · 10–7 kgm2

2.2 · 10–8 kgm2

1.1 · 10–8 kgm2

Protection EN 60529

Complete, mounted encoder: IP00

Mass

? 5.2 g

? 0.56 g

? 0.36 g

1) When centered with two scanning heads

2) The position error within one signal period and the graduation accuracy together yield the encoder-specific error; for additional mounting and bearing errors of the measured shaft, see Measuring accuracy in the Modular Angle Encoders With Optical Scanning brochure

3) Available as a prototype; orderable only after consultation