Optical absolute encoders, singleturn, hollow-shaft

AS…H 60

ASEH 60, ASSH 60, ASPAH 60
  • Hollow shafts up to Ø 50 mm
  • B14 flange as basis to attach 2 more devices
  • High signal quality, up to 16 bit singleturn, variety of interfaces
  • Options: Additional incremental output
Absolute encodersIncremental encoders
Online-Request Contact

Singleturn optical absolute encoders

The singleturn optical absolute encoders AS...H 60 (hollow shaft) are particularly robust; they can be deployed in a wide variety of applications to detect positions and rotational speeds at main drives in steel and rolling mills, in mining operations and in port and crane systems. The optical absolute encoders are mostly mounted on the unused shaft end via an isolated adapter flange or directly onto the shaft. With their B14 flange the encoders are ideally suitable to attach other devices. To increase safety or facilitate separate signal transmission to the motor controls the optical absolute encoders can be installed in a redundant configuration with two equal scanning systems and evaluation electronics.

Technical Data

Supply voltage

12-30 VDC


Singleturn max. 16 bit (65536 steps per rotation)

Number of interfaces1 or 2
Interface/Product Name
  • EtherCAT  |  ASEH 60
  • SSI  |  ASSH 60
  • Parallel  |  ASPAH 60
Maximum rotation

Hollow shaft: up to 4000 rpm

Electrical connection
  • Terminal strip in a terminal box
  • Fixed cable
Construction type / Ø shafts

Hollow shaft / max. Ø 50 mm with feather key

Device temperature range

-25 °C to +85 °C

Degree of protection

Up to IP55


Approx. 7 kg

Device options
  • Additional single incremental output in second terminal box
  • Additional double incremental output with reference pulse (HTL only) in second terminal box
Mechanical options
  • B14 flange for further attachments
  • Torque bracket (on request)
Special features and certificates




We look forward to taking on your challenges.


Information about privacy concerns can be found in our Privacy Policy