The PLC and touch screen interact consistently
When the touch screen is connected with the PLC, in fact, the memory of the PLC is used, (the touch screen also has a small amount of memory, which is only used to store system data, that is, the screen, controls, etc.), the touch screen and the PLC communication is generally the master/slave contact, that is, the touch screen reads the data from the PLC, and the judgment is made in the display ...
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