Topology Example; Fig. 14 Topology Example: Cx8180 Connected To Other Cx8180 Devices Via Rs485 - Beckhoff CX8180 Manual

Ethernet X001 Interface
8.2

Topology example

With RS232, a direct connection (peer-to-peer) is only possible between two devices. With RS485 a line
topology is possible. Limit the number of nodes to four devices.
Fig. 14: Topology example: CX8180 connected to other CX8180 devices via RS485.
54 Version: 1.5 CX8180