It is widely used. One of its main characteristics is that we can easily integrate various types of electronic chemical components and widely apply them in electronic industry and electronic system of automatic process control. Its hardware runs fast, small size, reliability and software operating system accuracy are relatively good, in the hardware design of this series of products, although we can directly control some hardware operations by using a PLC, but the price of control directly realized by using PLC is relatively expensive, which also causes too much expenditure of some hardware costs.<br>
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