myDAQ使用手册 中文

用户指南和产品规范

NI myDAQ

图 1NI myDAQ

NI myDAQ是一种使用NI LabVIEW软件的低成本便携式数据采集 (DAQ)设备，学生可使用它测量和分析实际信号。NI myDAQ适用于电子设备和传感器测量。通过与计算机上的NI LabVIEW配合，学生可分析和处理获取

的数据并可随时随地控制简单的进程。

目录

行文规范.........................................................................................................................3安全信息.........................................................................................................................3电磁兼容性指南............................................................................................................3NI myDAQ硬件概述.................................................................................................4

模拟输入(AI).......................................................................................................4模拟输出(AO).....................................................................................................5数字输入/输出(DIO)......................................................................................5

电源.........................................................................................................................5数字万用表(DMM)...........................................................................................6NI myDAQ软件概述................................................................................................6

NI ELVISmx驱动软件.......................................................................................6NI LabVIEW和NI ELVISmx Express VI...................................................6NI myDAQ和NI Multisim............................................................................6入门指南.........................................................................................................................7NI myDAQ的信号连接............................................................................................8

设置NI myDAQ设备......................................................................................8信号连接................................................................................................................9连接模拟输入信号..............................................................................................10NI myDAQ DMM保险丝替换......................................................................13数字I/O (DIO)和计数器/定时器........................................................................15配合使用NI myDAQ和软面板(SFP)仪器........................................................16

NI ELVISmx Instrument Launcher...........................................................16数字万用表(DMM)...........................................................................................17示波器(Scope).................................................................................................18函数发生器(FGEN)...........................................................................................19Bode分析仪.......................................................................................................20动态信号分析仪(DSA).....................................................................................21任意波形发生器(ARB).....................................................................................22数字读取器............................................................................................................23数字写入器............................................................................................................24范例：使用NI ELVISmx示波器SFP和NI myDAQ测量信号............25配合使用LabVIEW和NImyDAQ......................................................................25

LabVIEW中的NI ELVISmx Express VI.....................................................25范例：使用NI ELVISmx Oscilloscope Express VI

和NImyDAQ测量信号...............................................................................26配合使用NI myDAQ和NI-DAQmx..........................................................28范例：通过NI myDAQ和LabVIEW测量音频的传递.........................28产品规范.........................................................................................................................31NI myDAQ中的德州仪器组件...............................................................................41资源冲突.........................................................................................................................42其他资源.........................................................................................................................44

相关文档................................................................................................................44其他资源................................................................................................................44常见术语和首字母缩写.....................................................................................45保证书....................................................................................................................45技术支持................................................................................................................46

NI myDAQ用户指南和产品规范/china