XCMG XDN450 Operation Manual page 37

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3.1.1.1 Electric control cabinet
Equipped with three frequency converters, respectively control the mud pump, sludge
pump, main pump, and electromagnetic switch control cutter motor, hydraulic pump station. All
of the above are operated by the IO/DA/AD module and the operating panel PLC using
OMRON's dedicated communication compobus.
3.1.1.2 Console
Configured with OMRON PLC, Delta human machine interface, industrial computer, 7"
display
1) PLC: programmable controller. The entire system's control center collects all signals to
communicate with the module through the program, and then controls the appliances on the
system, and sends the collected information on the human-machine interface display system for
the operator to interpret.
2) Man-Machine Interface: Through RS232 communication with the PLC, the system data
is presented as icons or numbers. Changing the system parameters is also performed via the
man-machine interface. The historical record review is implemented by the man-machine
interface.
3) Industrial computer: The image signal of the camera in the target box is represented by
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