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RS422 Operation
In the case of a master/slave topology in RS422 operation:
● The master's sender is interconnected with the receivers of all the slaves.
● The slaves' senders are interconnected with the master's receiver.
● Only the receiver of the master and the receiver of one slave have a default setting. All
the other slaves function without default settings.
Figure 2-10
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
www.gkbpx.com
RS 422 Multipoint
Basic Principles of Serial Data Transmission
2.4 Data Transmission with the ASCII Driver
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