Serial interface
7 Serial interface
7.1 RS232/RS485 system overview
Currently the RS485 interface is limited. If you want to operate the RS485 interface outside the CX8080
specification, you should consult with Beckhoff.
System data RS485 (CX8080)
Number of I/O modules 4
Transmission medium screened copper cable, 2 x 0.25 mm²
Cable length 200 m
Data transfer rate 300 baud...115 kbaud
Topology Line topology
7.2 ZB3180
A D-sub connector is available as an accessory. It can be used for connecting the RS232 and/or the RS485
interface. The connector enables two cable outlets and includes an active terminating resistor for the RS485
interface.
CX8080 55Version: 1.0.0
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