Measurement Computing USB-3101 - Manual (Page 5)

5
Table of Contents
Preface
About this User's Guide ....................................................................................................................... 7
What you will learn from this user's guide ......................................................................................................... 7
Conventions in this user's guide ........................................................................................................................................ 7
Where to find more information ......................................................................................................................... 7
Chapter 1
Introducing the USB-3101 .................................................................................................................... 8
Overview: USB-3101 features ........................................................................................................................... 8
USB-3101 block diagram ................................................................................................................................... 9
Software features ................................................................................................................................................ 9
Chapter 2
Installing the USB-3101 ...................................................................................................................... 10
What comes with your USB-3101 shipment? .................................................................................................. 10
Hardware .........................................................................................................................................................................10
Additional documentation ................................................................................................................................................10
Unpacking the USB-3101................................................................................................................................. 10
Installing the software ...................................................................................................................................... 11
Installing the hardware ..................................................................................................................................... 11
Connecting the USB-3101 to your system .......................................................................................................................11
Calibrating the USB-3101 ................................................................................................................................ 12
Chapter 3
Functional Details ............................................................................................................................... 13
External components ........................................................................................................................................ 13
USB connector .................................................................................................................................................................13
Status LED .......................................................................................................................................................................13
Power LED ......................................................................................................................................................................13
Screw terminal banks .......................................................................................................................................................14
Analog voltage output terminals (VOUT0 to VOUT3) ...................................................................................................15
Digital I/O terminals (DIO0 to DIO7) .............................................................................................................................15
Digital I/O control terminal (DIO CTL) for pull-up/down configuration ........................................................................16
Ground terminals (AGND, DGND) .................................................................................................................................16
Synchronous DAC load terminal (SYNCLD) ..................................................................................................................16
Counter terminal (CTR) ...................................................................................................................................................16
Power terminal (+5V) ......................................................................................................................................................16
Synchronizing multiple units ............................................................................................................................ 17
Chapter 4
Specifications ...................................................................................................................................... 18
Analog voltage output ...................................................................................................................................... 18
Analog output calibration ................................................................................................................................. 19
Digital input/output .......................................................................................................................................... 19
Synchronous DAC Load................................................................................................................................... 20
Counter ............................................................................................................................................................. 20
Memory ............................................................................................................................................................ 21
Microcontroller ................................................................................................................................................. 21
Power ................................................................................................................................................................ 21
USB specifications ........................................................................................................................................... 21
Environmental .................................................................................................................................................. 21