USB-1616FS User's Guide - MicroDAQ.com

Table of Contents
Preface
About this User's Guide ......................................................................................................................vi
What you will learn from this user's guide ........................................................................................................vi
Conventions in this user's guide ........................................................................................................................vi
Where to find more information ........................................................................................................................vi
Chapter 1
Introducing the USB-1616FS............................................................................................................ 1-1
Overview: USB-1616FS features ................................................................................................................... 1-1
USB-1616FS block diagram........................................................................................................................... 1-2
Software features ............................................................................................................................................ 1-3
Connecting a USB-1616FS to your computer is easy..................................................................................... 1-3
Chapter 2
Installing the USB-1616FS................................................................................................................ 2-1
What comes with your USB-1616FS shipment? ............................................................................................ 2-1
Hardware ....................................................................................................................................................................... 2-1
Software......................................................................................................................................................................... 2-1
Documentation............................................................................................................................................................... 2-2
Unpacking the USB-1616FS .......................................................................................................................... 2-2
Installing the software .................................................................................................................................... 2-2
Installing the USB-1616FS............................................................................................................................. 2-2
Connecting the external power supply........................................................................................................................... 2-2
Connecting the USB-1616FS to your system................................................................................................................. 2-3
Chapter 3
Functional Details ............................................................................................................................. 3-1
Theory of operation - analog input acquisition modes ................................................................................... 3-1
Software paced mode..................................................................................................................................................... 3-1
Continuous scan mode ................................................................................................................................................... 3-1
Burst scan mode............................................................................................................................................................. 3-1
Internal components ....................................................................................................................................... 3-2
USB OUT connector...................................................................................................................................................... 3-2
USB IN connector.......................................................................................................................................................... 3-2
External power connectors............................................................................................................................................. 3-3
USB LED....................................................................................................................................................................... 3-3
PWR LED...................................................................................................................................................................... 3-3
Screw terminal wiring.................................................................................................................................................... 3-3
Analog input terminals (CH0 IN to CH15 IN)............................................................................................................... 3-4
Digital I/O terminals (DIO0 to DIO7)............................................................................................................................ 3-5
Power terminals ............................................................................................................................................................. 3-6
Ground terminals ........................................................................................................................................................... 3-6
Counter terminal ............................................................................................................................................................ 3-6
Trigger terminal ............................................................................................................................................................. 3-7
SYNC terminal .............................................................................................................................................................. 3-7
Daisy chaining additional modules to the USB-1616FS ................................................................................ 3-7
Sample rate limitations when using multiple USB-1616FS devices .............................................................................. 3-8
Power limitations when using multiple USB-1616FS devices....................................................................................... 3-8
Accuracy......................................................................................................................................................... 3-8
Gain queue.................................................................................................................................................... 3-11
Synchronizing multiple units........................................................................................................................ 3-11
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