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3. System composition
3-1．System composition
The following figure is the system structure diagram constructed according to the basic configuration of XS3
series PLC. Through this diagram, you can roughly understand the connection between PLC and peripheral
equipment, expansion equipment, etc., as well as the typical applications of PLC communication, connection
and expansion ports.
Note: The connecting devices of the above communication ports are only used as examples. The actual
communication ports can connect a variety of devices.
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