4.12 Connecting an external encoder
Connecting the connecting cable
Use
only shielded cables to connect an external encoder to the encoder interface (X23). The
shielding must be connected with the metallic or metallized connector housing.
We recommend that bipolar encoders are used. When using unipolar encoders, the unused
negative track signals can either be connected or connected to ground. This results in different
switching thresholds.
See
SIMOTION D410-2
Manual, Section "Encoder interface (HTL/TTL/SSI)".
The pre-assembled connecting cables offer optimal noise immunity as well as sufficiently
measured cross-sections for the supply voltage of the external encoder.
The connecting cables are available in various lengths, see
NC 60
Catalog.
Procedure for connecting encoders
To connect an external encoder (HTL, TTL or SSI encoder), proceed as follows:
1. Connect the connecting cable to the encoder.
2. Plug the D-Sub connector (15-pin) to the socket X23.
3. Lock the connector using the finger screws.
NOTICE
Destruction of the encoder electronics
Operation of a 5 V encoder on the 24 V encoder supply may result in the destruction of its
electronic components!
Make sure that you can operate the connected encoder on a 24 V power supply (e.g. HTL
encoder). This setting can be set in the expert list of the drive in parameter p0400 and in the
following parameters.
Connecting
4.12 Connecting an external encoder
SIMOTION D410-2
78 Commissioning and Hardware Installation Manual, 01/2015
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