Data processing unit , the key device in the system , integrates the microcontroller and lonworks technology and is a multi - channel , intelligent control device which can be used in the hazardous areas 现场数据处理器是系统的关键设备,它是集单片机和lonworks技术为一体多通道、智能化、网络化用于危险场所的现场二次仪表。
Monitor server is the main part of the system , it has four parts : task manager , map generator , application processor and real - time processor . they work well together and implement the functions of the vehicle monitoring system 监控服务器是该系统的核心部分,它由任务管理器、地图生成器、应用处理器和实时数据处理器四个部分组成,这四个部分协同工作,共同完成车辆监控系统的各项功能。
The automatic oil tank gauging system based on lonworks technology consists of field devices on tanks , data processing units , lonworks fieldbus network and control computers . it can be used in the oil stock of army and petro - chemical industry “基于lonworks现场总线技术的油罐测量管理系统”主要由油罐一次仪表、现场数据处理器、 lonworks测控网络和监控微机组成,主要用于部队油库和石油化工等行业。
After that , based on the datum of the dsp and the correlative chips , the paper designed the key circuit in the data processor module . the design of the interface modules of the control system is the following work . they were the interfaces connecting controller with digital , analog network , and the monitor computer respectively 接下来,设计了系统的整体结构;研究分析了嵌入式控制系统在进行数据处理时所采用的器件以及dsp和相关的芯片资料之后,确定使用tms320vc5402作为系统的数据处理器,设计了数据处理模块的部分关键电路和dsp的16位并口自举加载方式。
The structure , function and characteristic with the principle and method of tank gauging system are described . then the structure , principle of the circuit and the main chips of the data processing unit are introduced . after this , the software design of data processing unit including rs - 485 ( modbus ) module , 4 - 20ma analog module , on - off module , rtd module , pulse module , calculation and display module , communication module and neuron chip program module and also the method of resolving the problems which were found at the process of debugging are emphasized 随后介绍了现场数据处理器的结构,电路原理,所运用的主要芯片;并重点阐述了作者在课题研究中所作的工作,即现场数据处理器软件的设计包括八个功能模块: rs - 485 ( modbus )模块、 4 ? 20ma模拟量采集模块、开关量处理模块、 rtd信号采集模块、频率量采集模块、计算和显示模块、通讯模块、 neuron芯片中的程序模块;以及在课题研究和现场调试过程中遇到的问题及解决办法。
数据处理: data handling; data processi ...器: implement; utensil; ware八道数据处理器: eight-channel data processor电子数据处理器: electronic data processing飞行数据处理器: fdflight data processor分布式数据处理器: dddistributed data processor跟踪数据处理器: tdtracking data processor; tracking data processor光学数据处理器: od optical data processor合格数据处理器: cd certified data processor漏校数据处理器: ucd uncorrected data processor; ucduncorrected data processor命令数据处理器: cd command data processor声音数据处理器: adacoustic data processor视频数据处理器: vd video data processor数字式数据处理器: digital data processor数字数据处理器: dddigital data processor; numeric data processor通信数据处理器: cd communication data processor未校数据处理器: uncorrected data processor相关数据处理器: cd correlated data processor信号数据处理器: signal data processor验核数据处理器: cd checkout data processor医用数据处理器: medical data processor影像数据处理器: image data processor远程数据处理器: rd remote data processor; rdremote data processor中央数据处理器: dcdata central processor自动数据处理器: adautomatic data processor