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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-2416 .................................................................................................................... 6
Overview: USB-2416 features ............................................................................................................................ 6
Functional block diagram ................................................................................................................................... 6
Chapter 2
Installing the USB-2416 ........................................................................................................................ 7
What comes with your USB-2416 shipment? ..................................................................................................... 7
Hardware .......................................................................................................................................................................... 7
Software ............................................................................................................................................................................ 7
Documentation .................................................................................................................................................................. 7
Optional components ........................................................................................................................................................ 7
Unpacking........................................................................................................................................................... 7
Installing the software ........................................................................................................................................ 8
Installing the hardware ....................................................................................................................................... 8
Connecting to an AI-EXP32 with the DSUB37 expansion connector ................................................................ 8
Configuring the hardware ................................................................................................................................... 9
Connecting the board for I/O operations ............................................................................................................ 9
Connectors, cables – main I/O connector .......................................................................................................................... 9
Screw terminal pinout – differential ................................................................................................................................10
Screw terminal pinout – single-ended ..............................................................................................................................11
Chapter 3
Functional Details ............................................................................................................................... 12
USB-2416 components ..................................................................................................................................... 12
LEDs ................................................................................................................................................................................13
USB connector .................................................................................................................................................................13
External power connector ................................................................................................................................................13
Screw terminal wiring ...................................................................................................................................... 13
Analog/TC input terminals ............................................................................................................................... 13
Analog input mode ...........................................................................................................................................................14
Thermocouple inputs .......................................................................................................................................................14
Noise filtering, data rate, and throughput rate ..................................................................................................................15
Multiple-channel throughput rates ...................................................................................................................................16
Input isolation ................................................................................................................................................... 16
Digital I/O ......................................................................................................................................................... 17
Internal pull-up/pull-down capability...............................................................................................................................18
External pull-up/pull-down capability .............................................................................................................................19
Counter input terminals (CTR0, CTR1) ........................................................................................................... 19
USB-2416 mechanical drawings ...................................................................................................................... 20
Chapter 4
Calibrating the USB-2416 ................................................................................................................... 21
Calibration methods .......................................................................................................................................... 21