摘要
介绍了Profibus-DP网络的基本特性、结构、主从通信原理。然后结合奥地利贝加莱公司(B&R公司)现场总线模块对主从站Profibus-DP数据交换的实现方法作了详细地讨论。
The communication principles, structure, characteristics of Profibus-DP network were introduced. The implement method of data exchange between main station and substation ( with fieldbus modules of B & R company) with Profibus-DP protocol was detailedly discussed.
出处
《低压电器》
2004年第4期35-37,57,共4页
Low Voltage Apparatus
关键词
现场总线
PROFIBUS-DP
数据交换
物理层
数据链路层
fieldbus
Profibus-DP network
master-slave communication
programmable computer controller (PCC)
network configuration
