National Instruments NI 6612

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Contents
About This Manual
Related Documentation .................................................................................................... xiii
Chapter 1
Introduction
Installation ........................................................................................................................ 1-1
Accessories and Cables .................................................................................................... 1-1
Chapter 2
Digital I/O
Digital Input Data Acquisition Methods .......................................................................... 2-3
Software-Timed Acquisitions................................................................................... 2-3
Hardware-Timed Acquisitions ................................................................................. 2-3
Digital Input Triggering.................................................................................................... 2-4
Digital Waveform Acquisition ......................................................................................... 2-5
DI Sample Clock Signal ........................................................................................... 2-5
Routing DI Sample Clock to an Output Terminal ............................................ 2-6
Other Timing Requirements ............................................................................. 2-6
DI Sample Clock Timebase Signal........................................................................... 2-6
DI Start Trigger Signal ..................................................................................... 2-7
Retriggerable DI ............................................................................................... 2-7
Using a Digital Source...................................................................................... 2-8
Routing DI Start Trigger to an Output Terminal .............................................. 2-8
DI Reference Trigger Signal..................................................................................... 2-8
Using a Digital Source...................................................................................... 2-9
Routing DI Reference Trigger Signal to an Output Terminal .......................... 2-9
DI Pause Trigger Signal ........................................................................................... 2-9
Using a Digital Source...................................................................................... 2-10
Routing DI Pause Trigger Signal to an Output Terminal................................. 2-10
Digital Output Data Generation Methods......................................................................... 2-10
Software-Timed Generations.................................................................................... 2-10
Hardware-Timed Generations .................................................................................. 2-11
Digital Output Triggering ................................................................................................. 2-12
Digital Waveform Generation .......................................................................................... 2-12
DO Sample Clock Signal.......................................................................................... 2-13
Routing DO Sample Clock to an Output Terminal .......................................... 2-13
Other Timing Requirements ............................................................................. 2-13
DO Sample Clock Timebase Signal ......................................................................... 2-13
DO Start Trigger Signal............................................................................................ 2-14
Retriggerable DO.............................................................................................. 2-14
Using a Digital Start Trigger ............................................................................ 2-14
Routing DO Start Trigger Signal to an Output Terminal ................................. 2-14