Figure 2-10 RS 422 Multipoint
RS485 Operation
In the case of a topology in RS485 operation:
• The cable pair is interconnected for the send/receive line of all the nodes.
• Only the receiver of a node has a default setting. All the other modules function without
default settings.
Figure 2-11 RS 485 Multipoint
Basic Principles of Serial Data Transmission
2.4 Data Transmission with the ASCII Driver
Point-to-point connection CP 440 Installation and Parameter Assignment
34 Equipment Manual, 03/2022, A5E00057742-AE
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