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3. System composition
3-1
.
System composition
The following figure is the system structure diagram based on the basic configuration of XG series PLC.
Through this diagram, we 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.
RS485
RS485
USB
LAN
Note: The connecting devices of the above communication ports are only for example, and the actual
communication ports can connect a variety of devices.
Basic unit
Programming software
VFD
HMI
Switch