Comissioning a Generic Encoder with BISS-C Interface
Function description26
Version: 1.5
7 Comissioning a Generic Encoder with BISS-C
Interface
7.1 Preface
BISS-C is an open standard for communication with a rotary or linear feedback device and is used by
various encoder manufacturers.
The AX5000 does support this interface in general. Due to the many possible variations we now offer a
generic encoder XML file for rotary encoders and for linear encoders that can be used and adjusted to many
different encoders with BISS C interface.
Please use firmware version ≥ 2.06 build 27 or ≥ 2.10 build 14.
The following instructions explain the different settings.
7.2 Encoder-Interface
If the encoder provides a digital (BISS-C) interface AND an analogue Sine/Cosine interface, it must be
connected to X11/ X21 of the AX5000.
If the encoder provides digital (BISS-C) signals only, the option card AX572x is required and the encoder
must be connected to X41/ X42.
Note
Please note:
• Default clock frequency for the pure digital BISS-C interface is 5MHz. If you want to use
a digital encoder that requires lower clock frequencies, there are certain restrictions.
Please see below chapter "Restrictions for Clock Frequency" for details.
• X11/ X21 will output more clock edges than necessary to read the position telegram.
With some encoders this will cause problems.
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