| 基于PM-160网关的S7-300系列PLC与智能流量计之间的数据通信 |
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| 摘 要： | 本文以西门子S7-300系列PLC与智能流量计之间的数据通信为例，介绍如何实现Modbus和PROFIBUS—DP协议设备的相互通信，重点描述了上海泗博自动化的Modbus转PROFIBUS-DP网关PM-160在其中的应用，以及这两种不同通信协议的通信方式。
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| 关 键 词： | Modbus RTU协议 PROFIBUS-DP协议 Modbus转PROFIBUS—DP PM—160网关 |
Data Communication between S7-300 Series PLC and Intelligent FIowmeters Based on Gateway PM-160 |
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| Abstract: | By taking the data communication between Siemens S7-300 series PLC and the intelligent flowmeters as an example, this paper introduces that how to realize the intercommunications between the devices respectively in Modhus protocol and in Profibus-DP protocol, with the intensive deseription of the application of gateway PM-160 for Modbus to Profibus-DP made by Shanghai Sibo Automation Co. in the conmmnication. And the communication modes of the two kinds of different communication pro- tocols are also described. |
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| Keywords: | Modbus RTU protocol Profibus-DP protocol Modbus RTU is converted into Profibus-DP Gateway PM-160 |
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