冶金动力
冶金動力
야금동력
METALLURGICAL POWER
2014年
5期
74-75,78
,共3页
PLC系统%主从站切换%通讯%接口
PLC繫統%主從站切換%通訊%接口
PLC계통%주종참절환%통신%접구
PLC system%switching between master and slave stations%communication%interface
以西门子公司S7-200系列小型PLC系统为例，介绍了主从站通讯的设计思路及实现方法。根据实际使用的要求，解决了主从站控制权无扰动切换的问题。
以西門子公司S7-200繫列小型PLC繫統為例，介紹瞭主從站通訊的設計思路及實現方法。根據實際使用的要求，解決瞭主從站控製權無擾動切換的問題。
이서문자공사S7-200계렬소형PLC계통위례，개소료주종참통신적설계사로급실현방법。근거실제사용적요구，해결료주종참공제권무우동절환적문제。
The design concept and implementation method of communication between master and slave stations are introduced taking the small PLC system of Siemens S7-200 series as an example. Undisturbed switching of control of the master and slave stations was achieved according to practical needs.
