User Manual

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-1408FS................................................................................................................ 6
USB-1408FS block diagram ............................................................................................................................... 6
Chapter 2
Installing the USB-1408FS.................................................................................................................... 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 USB-1408FS .............................................................................................................................. 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 ........................................................................................................................................................................14
Counter input ...................................................................................................................................................................15
Trigger input ....................................................................................................................................................................15
SYNC I/O ........................................................................................................................................................................15
Ground .............................................................................................................................................................................16
+2.5VREF output .............................................................................................................................................................16
Power output ....................................................................................................................................................................16
Accuracy ........................................................................................................................................................... 16
Synchronized operations ................................................................................................................................... 18
Mechanical drawings ........................................................................................................................................ 19
Chapter 4
Specifications ...................................................................................................................................... 20
Analog input ..................................................................................................................................................... 20
Analog output ................................................................................................................................................... 21
Digital I/O ......................................................................................................................................................... 22
External trigger ................................................................................................................................................. 23
External clock input/output............................................................................................................................... 23
Counter section ................................................................................................................................................. 24
Non-volatile memory ........................................................................................................................................ 24