S7-200 series PLC of SIEMENS company is used in order to achieve the aim of controlling the time-sequence, precision and charge circuit.
用当前占主流地位的西门子s7- 200系列PLC进行编程，实现合成回路动作过程的时序控制、精度控制以及充电电路的控制等。
In the software design, the measures of controlling the time sequence of transmitting and receiving data packet are raised to improve the communication efficiency.
在软件设计中，通过控制数据包的收发时序提高通信效率。
In the software design, the measures of controlling the time sequence of transmitting and receiving data packet are raised to improve the communication efficiency.
在软件设计中，通过控制数据包的收发时序提高通信效率。
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