Siemens SIMOTION D4x5-2 Commissioning And Hardware Installation Manual page 276

Commissioning (software)
7.10 Linking an additional encoder (optional)
Second encoder on the drive
The configuration of a second encoder on the drive is useful when the second encoder value
is also to be used for this drive (e.g. motor or machine encoder). Note that only a maximum of
two encoder values can be transferred via PROFIdrive message frames.
In principle, the second encoder value can be freely used (e.g. for acquisition of an external
master value), however the use of an encoder as a separate drive object (drive object
DO encoder) is preferable because of the clear functional separation.
Figure 7-53
Encoder as drive object
The configuration of an encoder as drive object (drive object DO encoder) has the advantage
that this encoder can be used independently of a configured drive (e.g. for acquisition of a
master value).
The configuration is performed by inserting an encoder via the project navigator.
Figure 7-54
Note
In the same way as for axes, a "DO encoder" can also be symbolically interconnected to a "TO
externalEncoder".
276
Configuration of a second encoder on the drive
Configuration of an encoder as drive object
Commissioning and Hardware Installation Manual, 03/2018, A5E33441636B
SIMOTION D4x5-2