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介绍NI 6221数据采集卡的使用方法及操作等等。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。
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DAQ M Series
M Series User Manual
NI 622x, NI 625x, and NI 628x Multifunction I/O
Modules and Devices
M Series User Manual
July 2016
371022L-01

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© National Instruments | v
Contents
Chapter 1
Getting Started
Safety Guidelines.............................................................................................................. 1-1
Safety Guidelines for Hazardous Voltages............................................................... 1-2
Electromagnetic Compatibility Guidelines ...................................................................... 1-2
Hardware Symbol Definitions .......................................................................................... 1-3
Installation ........................................................................................................................ 1-3
Unpacking......................................................................................................................... 1-3
Device Self-Calibration .................................................................................................... 1-4
Getting Started with M Series PCI Express Devices and the Disk Drive Power
Connector ...................................................................................................................... 1-5
When to Use the Disk Drive Power Connector ........................................................ 1-5
Disk Drive Power Connector Installation................................................................. 1-5
Getting Started with M Series USB Devices.................................................................... 1-6
Applying the Signal Label to USB Screw Terminal Devices .................................. 1-6
USB Device Chassis Ground.................................................................................... 1-6
USB Device Panel/Wall Mounting........................................................................... 1-8
USB Device LEDs.................................................................................................... 1-8
USB Cable Strain Relief........................................................................................... 1-8
USB Device Fuse Replacement................................................................................ 1-9
USB Device Security Cable Slot .............................................................................. 1-12
Installing a Ferrite..................................................................................................... 1-13
Pinouts .............................................................................................................................. 1-13
Specifications.................................................................................................................... 1-13
Accessories and Cables .................................................................................................... 1-13
Chapter 2
DAQ System Overview
DAQ Hardware................................................................................................................. 2-1
DAQ-STC2 and DAQ-6202 ..................................................................................... 2-2
Calibration Circuitry................................................................................................. 2-2
Cables and Accessories .................................................................................................... 2-3
68-Pin M Series Cables and Accessories ................................................................. 2-3
68-Pin Cables.................................................................................................... 2-5
68-Pin BNC Accessories .................................................................................. 2-6
68-Pin Screw Terminal Accessories................................................................. 2-6
RTSI Cables...................................................................................................... 2-6
SCC Carriers and Accessories.......................................................................... 2-6
SCXI ................................................................................................................. 2-7
68-Pin Custom Cabling and Connectivity ........................................................ 2-7
USB Device Accessories, USB Cable, and Power Supply............................... 2-8
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