bus-mastering meaning in Chinese
总线控制
Examples
- I ' ll present two simple driver sample programs as well : one for dealing with a pio device and one for dealing with a bus - mastering dma device
我还给出了两个简单的驱动程序例子：一个用于pio设备，一个用于总线主控的dma设备。 - On basis of the development of modern control technology and apply of the network technology and locale bus - mastering technology ， this text analyzes the essential element for produce of wire - roll mill : principle of assign for speed ; expatiates in detail on the network structure and communication protocol of ethernet and profibus - dp ; concretely describes the forms of control system configuration ， the function and features of its software and hardware designs ; also , introduces mainly control function of control system , ， for example ， sequence control 、 loop control 、 fly shear control and operation and monitor function etc
基于现代控制技术的发展、网络技术以及现场总线技术的应用，本文分析了线材生产的基本要素：速度的分配原则；分析了工业以太网ethernet和现场总线profibus - dp的结构和通讯协议。主要说明plc控制系统的组织结构形式，系统的软硬件设计的功能和特点。同时，详细介绍了控制系统的主要控制功能，如逻辑控制、活套控制、飞剪控制以及操作监控功能等等。 - On basis of the development of modern control technology and apply of the network technology and locale bus - mastering technology ， the paper analyzes the essential element of slab caster system : casting speed ; expatiates in detail on the network structure and communication protocol of ethernet and profibus - dp ; mainly describes the forms of control system configuration ， the function and features of its software and hardware designs ; also , introduces mainly control function of control system , for example ， sequence control , tracking system and operation and monitor function etc . and analyzed and settled the problems of control system in debugging and producing
根据传统的控制系统存在的一些不完善的问题，基于现代控制技术的发展、网络技术以及现场总线技术的应用，从多方面考虑，决定控制层采用siemens的s7 - 400plc ，现场采用远程i / o单元，很好的解决了信号量大而又分散的问题。针对生产工艺和机械设备的控制要求，设计了齐全的操作模式和方式，分析了板坯连铸系统的基本要素：拉矫速度（浇铸速度） ；根据控制功能的分配及实现，主要说明了plc控制系统的组织结构形式，系统的软硬件设计的功能和特点。 - The profibus - dp bus - mastering network of the system researched in this article was constructed which adopts plc300 as main site and the module of em277 date bus mating with plc200 as subordinate site , through the hardware station construction and the software configuration realized the network communication , and edited the master site procedure to realize controlling subordinate sites , then the master station procedure has been carried on simulation running and debugging
本文研究的系统构建了一个以西门子公司的s7 - 300plc为主站、以s7 - 200plc配合em277总线模块作为从站的profibus - dp总线控制网络,通过硬件建站、软件组态来实现网络的通讯,并编辑主站程序实现了对从站的控制,然后对主站程序进行了仿真运行和调试。