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
