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Table of Contents
Preface
About this User's Guide .......................................................................................................................7
What you will learn from this user's guide .........................................................................................................7
Conventions used in this user's guide .................................................................................................................7
Where to find more information.........................................................................................................................7
Chapter 1
Introducing the USB-1616HS-2............................................................................................................8
Overview: USB-1616HS-2 features ...................................................................................................................8
Software features ................................................................................................................................................8
Chapter 2
Installing the USB-1616HS-2................................................................................................................9
What comes with your USB-1616HS-2 shipment? ............................................................................................9
Hardware .......................................................................................................................................................................... 9
Optional components........................................................................................................................................................ 9
Additional documentation................................................................................................................................................10
Unpacking the USB-1616HS-2 ........................................................................................................................10
Installing the software ......................................................................................................................................10
Installing the hardware .....................................................................................................................................11
Configuring the hardware.................................................................................................................................12
Connecting the board for I/O operations ..........................................................................................................12
Connectors, cables – main I/O connector.........................................................................................................................12
Screw terminal pin outs ...................................................................................................................................................13
DSUB25F expansion connector.......................................................................................................................................14
Cabling.............................................................................................................................................................................15
Chapter 3
Functional Details ...............................................................................................................................16
USB-1616HS-2 components ............................................................................................................................16
USB-1616HS-2 block diagram.........................................................................................................................18
Synchronous I/O – mixing analog, digital, and counter scanning ....................................................................18
Analog input .....................................................................................................................................................19
Analog input scanning .....................................................................................................................................................19
Thermocouple input..........................................................................................................................................22
Tips for making accurate temperature measurements......................................................................................................22
Analog output ...................................................................................................................................................23
Example: Analog channel scanning of voltage inputs and streaming analog outputs......................................................23
Digital I/O.........................................................................................................................................................24
Digital input scanning......................................................................................................................................................24
Digital outputs and pattern generation.............................................................................................................................24
Triggering.........................................................................................................................................................24
Hardware analog triggering .............................................................................................................................................25
Digital triggering..............................................................................................................................................................25
Software-based triggering................................................................................................................................................25
Stop trigger modes...........................................................................................................................................................26
Pre-triggering and post-triggering modes ........................................................................................................................26
Counter inputs ..................................................................................................................................................26