Table of Contents
About this User's Guide ....................................................................................................................... 5
Where to find more information ......................................................................................................................... 5
Chapter 1
Introducing the USB-1208LS................................................................................................................ 6
Functional block diagram ................................................................................................................................... 6
Chapter 2
Installing the USB-1208LS.................................................................................................................... 7
Unpacking........................................................................................................................................................... 7
Installing the software ........................................................................................................................................ 7
Installing the hardware ....................................................................................................................................... 7
Calibrating the hardware..................................................................................................................................... 7
Field calibration ................................................................................................................................................................ 7
Factory calibration ............................................................................................................................................................ 7
Functional Details ................................................................................................................................. 8
Analog input acquisition modes ......................................................................................................................... 8
Software paced mode ........................................................................................................................................................ 8
Hardware paced mode....................................................................................................................................................... 8
BURSTIO mode ............................................................................................................................................................... 8
External components .......................................................................................................................................... 8
USB connector .................................................................................................................................................................. 9
LED .................................................................................................................................................................................. 9
Screw terminal wiring ....................................................................................................................................................... 9
Signal connections ............................................................................................................................................ 10
Analog inputs ...................................................................................................................................................................10
Digital I/O ........................................................................................................................................................................12
Trigger input ....................................................................................................................................................................13
Counter input ...................................................................................................................................................................13
Calibration output ............................................................................................................................................................13
Power output ....................................................................................................................................................................13
Ground terminals .............................................................................................................................................................13
Accuracy ........................................................................................................................................................... 14
Mechanical drawings ........................................................................................................................................ 17
Specifications ...................................................................................................................................... 18
Analog input ..................................................................................................................................................... 18
Analog output ................................................................................................................................................... 19
Digital input/output........................................................................................................................................... 20
External trigger ................................................................................................................................................. 20
Counter ............................................................................................................................................................. 20
Non-volatile memory ........................................................................................................................................ 21
Power ................................................................................................................................................................ 21
General ............................................................................................................................................................. 21
Environmental .................................................................................................................................................. 21
Mechanical ....................................................................................................................................................... 22
Signal connector ............................................................................................................................................... 22
3
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