National Instruments NI 6238 - Manual (Page 7)

Contents
© National Instruments Corporation vii NI 6238/6239 User Manual
AI Pause Trigger Signal ..................................................................................4-24
Using a Digital Source ......................................................................4-24
Routing AI Pause Trigger Signal to an Output Terminal .................4-25
Getting Started with AI Applications in Software.........................................................4-25
Chapter 5
Analog Output
Analog Output Circuitry ................................................................................................5-1
Analog Output Data Generation Methods .....................................................................5-2
Software-Timed Generations...........................................................................5-2
Hardware-Timed Generations .........................................................................5-2
Non-Buffered ....................................................................................5-3
Buffered ............................................................................................5-3
Analog Output Triggering .............................................................................................5-4
Connecting Analog Current Output Signals ..................................................................5-4
Analog Output Timing Signals ......................................................................................5-5
AO Start Trigger Signal...................................................................................5-5
Using a Digital Source ......................................................................5-6
Routing AO Start Trigger Signal to an Output Terminal..................5-6
AO Pause Trigger Signal.................................................................................5-6
Using a Digital Source ......................................................................5-7
Routing AO Pause Trigger Signal to an Output Terminal................5-8
AO Sample Clock Signal.................................................................................5-8
Using an Internal Source...................................................................5-8
Using an External Source..................................................................5-8
Routing AO Sample Clock Signal to an Output Terminal................5-8
Other Timing Requirements..............................................................5-9
AO Sample Clock Timebase Signal ................................................................5-9
Getting Started with AO Applications in Software .......................................................5-10
Chapter 6
Digital Input and Output
I/O Protection................................................................................................................. 6-1
Programmable Power-Up States ....................................................................................6-1
Connecting Digital I/O Signals......................................................................................6-2
Logic Conventions .........................................................................................................6-3
Getting Started with DIO Applications in Software ......................................................6-4