Contents
x | ni.com
Counter Timing Signals....................................................................................................7-24
Counter n Source Signal ...........................................................................................7-24
Routing a Signal to Counter n Source ..............................................................7-25
Routing Counter n Source to an Output Terminal............................................7-25
Counter n Gate Signal...............................................................................................7-25
Routing a Signal to Counter n Gate..................................................................7-26
Routing Counter n Gate to an Output Terminal ...............................................7-26
Counter n Aux Signal ...............................................................................................7-26
Routing a Signal to Counter n Aux...................................................................7-26
Counter n A, Counter n B, and Counter n Z Signals ................................................7-27
Routing Signals to A, B, and Z Counter Inputs................................................7-27
Routing Counter n Z Signal to an Output Terminal .........................................7-27
Counter n Up_Down Signal......................................................................................7-27
Counter n HW Arm Signal .......................................................................................7-27
Routing Signals to Counter n HW Arm Input ..................................................7-27
Counter n Internal Output and Counter n TC Signals ..............................................7-28
Routing Counter n Internal Output to an Output Terminal ..............................7-28
Frequency Output Signal ..........................................................................................7-28
Routing Frequency Output to a Terminal.........................................................7-28
Default Counter/Timer Pinouts.........................................................................................7-28
Counter Triggering ...........................................................................................................7-29
Other Counter Features.....................................................................................................7-30
Cascading Counters ..................................................................................................7-30
Counter Filters ..........................................................................................................7-30
Prescaling..................................................................................................................7-32
Duplicate Count Prevention......................................................................................7-32
Example Application That Works Correctly (No Duplicate Counting) ...........7-33
Example Application That Works Incorrectly (Duplicate Counting)...............7-33
Example Application That Prevents Duplicate Count......................................7-34
When To
Use Duplicate Count
Prevention.......................................................7-34
Enabling Duplicate Count Prevention in NI-DAQmx......................................7-35
Synchronization Modes ............................................................................................7-35
80 MHz Source Mode.......................................................................................7-36
Other Internal Source Mode .............................................................................7-36
External Source Mode ......................................................................................7-36
Chapter 8
PFI
Using PFI Terminals as Timing Input Signals..................................................................8-2
Exporting Timing Output Signals Using PFI Terminals..................................................8-2
Using PFI Terminals as Static Digital I/Os ......................................................................8-3
Connecting PFI Input Signals...........................................................................................8-3
PFI Filters .........................................................................................................................8-4
I/O Protection....................................................................................................................8-5
Programmable Power-Up States.......................................................................................8-5
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
