请教“DP master system number”的含义? 比如CPU317上DP口的“DPmastersystemNo”可选1~32,CP342-5可选180~195,请问这个参数有何作用? 最佳答案 在回答你的问题之前,有必要了解一下PROFIBUS-DP设备的分类,主要分: 1类DP主站(DPM1):它是系统的中央控制器,1类主站与从站循环地交换信息,并对总线通信进行控制...
DP（Deterministic Protocol）是一种用于过程自动化系统的现场总线协议，能够实现高可靠性和实时性要求的工业通信。DP master系统ID是DP网络配置中的关键标识符，它指代了DP网络中的主站设备。主站是DP网络的控制中心，负责管理和协调与从站的数据交换。DP master系统ID不仅标识了主站的物理位置，还反映了其...
DP master system ID: 1 Log. base address of the DP slave: Input address: 16367 Log. base address of the DP master: 16383 OB number: 86 Priority class: 26 External error, Incoming event 11:16:12:194 pm 10/13/06 --- ...
The invention provides a PROFIBUS-DP (process field bus-decentralized periphery) master realization system based on a CPLD (complex programmable logic device), which comprises a master control CPU (central processing unit), a CPLD, an ASIC (application specific integrated circuit) chip, a bus ...
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These two systems are part of an envisaged European Forest Fire Information System, which will also integrate all the ground-collected information on forest fires provided by the countries. The system will be accessible via Internet to authorized users. The existing ...