毕业论文天下网_三菱FX2N PLC在冷冻干燥机中的应用_自动化毕业论文格式范文 关键词：PLC；冷冻干燥机；上位机管理通信 [gap=2529]Keyword: PLC；frozen dyers；maneger computer comunication
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最后通过实验证实了上位机软件具有RS232串行通信、数据库管理和故障波形绘制的功能。
The software's functions of RS232 serial communication between data acquisition equipment and computer, management of data-base and drawing of fault wave are validated by experiments.
新系统借助于计算机通信和网络技术形成了上位机综合管理和下位机实时控制的体系结构。
By dint of the technique of computer communication and net, the new monitor system can carry out the management in the up-computer, and real-time control function in the down-PLC.
监控系统采用组态软件编写，组态软件可以方便的与上位管理机和下位执行机构进行通信。
The supervisory control system is programmed by the configuration software. The configuration software can communicate with the management computer and the actuating equipments easily.
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