3
Table of Contents
Preface
About this User's Guide ....................................................................................................................... 5
What you will learn from this user's guide ......................................................................................................... 5
Conventions in this user's guide ......................................................................................................................... 5
Where to find more information ......................................................................................................................... 5
Chapter 1
Introducing the USB-1208FS-Plus ....................................................................................................... 6
Functional block diagram ................................................................................................................................... 6
Chapter 2
Installing the USB-1208FS-Plus ........................................................................................................... 7
What comes with your shipment? ....................................................................................................................... 7
Hardware .......................................................................................................................................................................... 7
Software ............................................................................................................................................................................ 7
Documentation .................................................................................................................................................................. 7
Unpacking........................................................................................................................................................... 7
Installing the software ........................................................................................................................................ 7
Installing the hardware ....................................................................................................................................... 7
Calibrating the hardware..................................................................................................................................... 8
Chapter 3
Functional Details ................................................................................................................................. 9
Analog input acquisition modes ......................................................................................................................... 9
Software paced .................................................................................................................................................................. 9
Hardware paced ................................................................................................................................................................ 9
External components ........................................................................................................................................ 10
USB connector .................................................................................................................................................................10
LED .................................................................................................................................................................................10
Screw terminals................................................................................................................................................................10
Signal connections ............................................................................................................................................ 12
Analog input ....................................................................................................................................................................12
Analog output ..................................................................................................................................................................14
Digital I/O ........................................................................................................................................................................15
Counter input ...................................................................................................................................................................16
External trigger input .......................................................................................................................................................16
SYNC I/O ........................................................................................................................................................................16
Power output ....................................................................................................................................................................16
Ground .............................................................................................................................................................................16
Accuracy ........................................................................................................................................................... 16
Synchronized operations ................................................................................................................................... 19
Power ................................................................................................................................................................ 19
Mechanical drawings ........................................................................................................................................ 20
Chapter 4
Specifications ...................................................................................................................................... 21
Analog input ..................................................................................................................................................... 21
Accuracy ..........................................................................................................................................................................22
Noise performance ...........................................................................................................................................................22
Analog output ................................................................................................................................................... 23
Digital input/output........................................................................................................................................... 23
External trigger ................................................................................................................................................. 24
External clock input/output............................................................................................................................... 24