by Wachendorff Automation

Shaft Encoder incremental quadrature, optical


  • “Digital Tachogenerator” with robust Standard-flange
  • Housing cap die cast aluminum
  • Up to 25000 PPR by use of high grade electronics
  • High noise immunity against frequency inverters
  • Protection to IP67, shaft sealed to IP65
  • 10 mm shaft
  • Full connection protection with 10 VDC up to 30 VDC
  • High output frequency 600 kHz/2 MHz
  • Optional: 
    -40 °C up to +85 °C
    Protection to IP67 all around, pressure equalising membrane


Flange Tacho flange
Resolution up to 25000 PPR
Housing Ø 115 mm, 
L 49 mm
Shaft Ø 10 mm, 
L 25 mm
Max. operating speed 8.000 rpm
Permitted load on shaft end max. 200 N radial
max. 120 N axial
Output circuit


TTL,  RS422 compatible, inv.


HTL, inv.

1 Vpp sin/cos

Output channels AB, ABN and inverted signals
Max. pulse frequency 2 MHz
Power supply 4,75 VDC up to 5,5 VDC: typ. 100 mA
5 VDC up to 30 VDC: typ. 70 mA
10 VDC up to 30 VDC: typ. 100 mA
max. 100 mA
Operating temperature -20 °C up to +85 °C 
(Option ACA: -40 °C up to +85 °C),
1 Vpp: -10 °C up to +70 °C
Protection rating IP67,
shaft sealed to IP65,
Option: IP67 all around