The Euro404 and Euro408 support the following encoder types:

Incremental ABZ with differential RS422 line driver outputs. (A, /A, B, /B, Z, /Z)

SSI Absolute encoder up to 32 bits.

EnDat Absolute encoder either EnDat 1 or EnDat 2.  The EnDat 2 support is for the position information channel, not extended functions.

Tamagawa Absolute encoder

BiSS absolute encoder

For Absolute encoder support, the P832 and P834 versions of the Euro404/408 must be specified.