Measurement Computing USB-1208LS - Manual (Page 3)

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Table of Contents
Preface
About this User's Guide ....................................................................................................................... 5
Conventions in this user's guide ......................................................................................................................... 5
Where to find more information ......................................................................................................................... 5
Chapter 1
Introducing the USB-1208LS................................................................................................................ 6
Functional block diagram ................................................................................................................................... 6
Connecting a USB-1208LS to your computer is easy ........................................................................................ 7
Chapter 2
Installing the USB-1208LS.................................................................................................................... 8
What comes with your shipment? ....................................................................................................................... 8
Hardware .......................................................................................................................................................................... 8
Documentation .................................................................................................................................................................. 8
Unpacking........................................................................................................................................................... 8
Installing the software ........................................................................................................................................ 8
Installing the hardware ....................................................................................................................................... 8
Chapter 3
Functional Details ................................................................................................................................. 9
Analog input acquisition modes ......................................................................................................................... 9
Software paced mode ........................................................................................................................................................ 9
Hardware paced mode....................................................................................................................................................... 9
Burst scan mode ................................................................................................................................................................ 9
External components .......................................................................................................................................... 9
USB connector .................................................................................................................................................................10
LED .................................................................................................................................................................................10
Screw terminal wiring ......................................................................................................................................................10
Signal connections ............................................................................................................................................ 11
Analog inputs ...................................................................................................................................................................11
Digital I/O ........................................................................................................................................................................13
Trigger input ....................................................................................................................................................................14
Counter input ...................................................................................................................................................................14
Calibration output ............................................................................................................................................................14
Power output ....................................................................................................................................................................14
Ground terminals .............................................................................................................................................................14
Accuracy ........................................................................................................................................................... 15
Mechanical drawings ........................................................................................................................................ 18
Chapter 4
Specifications ...................................................................................................................................... 19
Analog input ..................................................................................................................................................... 19
Analog output ................................................................................................................................................... 20
Digital input/output........................................................................................................................................... 21
External trigger ................................................................................................................................................. 21
Counter ............................................................................................................................................................. 21
Non-volatile memory ........................................................................................................................................ 22
Power ................................................................................................................................................................ 22
General ............................................................................................................................................................. 22
Environmental .................................................................................................................................................. 22
Mechanical ....................................................................................................................................................... 23