How to connect PLC with industrial panel PC to realize industrial control

2021-06-01

How to connect PLC with touch screen industrial panel PC to realize industrial control?

First of all, we understand that PLC is the controller, and the touch screen (HMI) is the upper computer display. Just like the host computer and the display screen of the computer, the hardware connection is very simple. There is usually a dedicated communication connection line. The general touch screen Connect the PLC equipment through the serial port, the interface specifications are: RS-232, RS485 2W, RS485 4W, etc.

Our touch screen needs to select PLC type, interface type, COM port information (port, baud rate, data bit, parity, etc.) when connecting to PLC or adding PLC equipment.

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