Motrona DS230 Series, Safety Manual

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Ds230_03a_oi_e.doc / Jun-15 Page 20 / 100
5.4. RS422-Inputs
(Only DS230 and DS236)
If the operational mode (see chapter 7.4.1 / Parameter 000) is set for RS422 encoder use, the unit
will accept differential input signals from an incremental encoder in RS422 format at the terminal
strips [X8] and [X9]. The RS422 input channels (A and /A resp. B and /B) are internally terminated by
a dynamic terminating circuit (220 pF / 120 ohm).
It is mandatory to connect up all signal lines (A, /A, B and /B).
An evaluation option for any existing zero pulses (or Z / Z) does not exist.
The RS422 encoder must use the encoder supply at pin 1 and 2 of the respective terminal
(see chapter
5.2 ).
pluggable 7-pin screw terminal [X8], [X9]