GPIB仪器控制技术文件

1、1,GE,20.07.2020,GPIB,仪器控制技术,仪器的发展历史,Virtual Instrumentation,Fully Programmable System,VXI Chassis,GUI,IEEE 488 Rack and Stack System,DAQ Boards,with RTSI,Analog Instrumentation,2,GE,20.07.2020,Road Map,Hardware & Driver Software,GPIB,Serial,Application,Measurement,Software,Studio,LabVIEW,DAQ,VXI,Ima

2、ge,Acquisition,Motion,Control,PXI,Process,or,Unit Under,Test,3,GE,20.07.2020,IEEE 488,仪器控制标准,从,1975,年就成为编程的标准,8,位的并行协议,传输率低于,1 Mbytes/s,标准电缆,最多控制,14,台仪器,有大量支持其标准的仪器,4,GE,20.07.2020,GPIB,控制的领先者,IEEE 488,厂商,National Instruments,Hewlett-Packard,Company A,Company B,Company C,0,50,100,150,200,250,300,350

3、,400,450,Score,5,GE,20.07.2020,GPIB,通信实例,GPIB Write,F0R0S2,GPIB,电缆,GPIB,Interface,控制器,1.8524,GPIB Read,DMM,6,GE,20.07.2020,NI-488.2,总线接口软件,NI-488.2,Configuration,Interactive,Interactive,Function,Program,Control,Control,Program,Program,Library,GPIB,接口,IEEE 488.2,IEEE 488.1,Devices,Devices,高速设备驱动程序,IE

4、EE 488.2,子程序,NI-488,函数,调试和开发工具,动态和交互设置,SRQ,处理,7,GE,20.07.2020,GPIB,实例,IBCONF,NI GPIB,Interfaces,Device Manager,Windows 98,System Registry,GPIB Board,GPIB_32.DLL,LabVIEW GPIB,Library VIs,You can change device,parameters using the Vis in,the LabVIEW GPIB Library,Demo,8,GE,20.07.2020,GPIB,实例,IBIC,Demo,

5、9,GE,20.07.2020,1000,多种仪器的驱,动程序,60,多个厂商的产品,提供源程序,减少开发时间,仪器的驱动程序,操作接口,I/O,接口,Instrument,Driver,编程接口,功能接口,10,GE,20.07.2020,利用,LabVIEW,进行频率响应,的自动测量,11,GE,20.07.2020,滤波器的频率特性测量,函数发生器,DMM,db = 20 log,10,V,o,V,i,F,i,F,l,F,h,F,l,(i/(N-1,12,GE,20.07.2020,Dem,自动测试与非自动测试的比较,测量次数,13,GE,20.07.2020,仪器的图形用户界面设计,D

6、emo,14,GE,20.07.2020,今天的仪器驱动程序,对仪器驱动程序的批评,增加系统开销,较慢,结构不统一,需要修改,其它要求,可以互换,多线程,可以进行模拟,16,GE,20.07.2020,IVI,优越性,可互换的驱动程序,降低维护和支持费用,减少系统,时间开销,部门之间共享代码,方便,快捷地对仪器编程,17,GE,20.07.2020,仪器可互换性,基本概念,测试程序,CVI, LabVIEW, VB, etc,IVI DMM Class Driver,Keithley 2001IVI Driver,Fluke 45 IVI Driver,NI 4050 IVI Driver,18,GE,20.07.2020,五个基本的,Class Driver,示波器,数字万用表,函数发生器,开关,电源,oscilloscope,DMM,Function Generator,Switch,Power Supply,19,GE,20.07.2020,IVI,基金会成员,Boeing,GEC Marconi test systems,GenRad,Lockheed martin,Lucent technologies,Marconi north America* (formerly GDE s