BECKHOFF CX9020 - Manual (Page 30)

Mounting and wiring
Note
Changing the interface parameters
If parameters other than those set should be required, please choose the right order num­
ber:
­ CX9020­N031­0001 RS485 with Echo, End­Point (Terminated)
­ CX9020­N031­0002 RS485 without Echo, Drop­Point (not Terminated)
­ CX9020­N031­0003 RS485 with Echo, Drop­Point (not Terminated)
­ CX9020­N031­0004 RS422 Full Duplex, End­Point (Terminated)
CX9020 30 Version 1.1