3
Table of Contents
Preface
About this User's Guide .......................................................................................................................5
What you will learn from this user's guide .........................................................................................................5
Conventions in this user's guide .........................................................................................................................5
Where to find more information .........................................................................................................................5
Chapter 1
Introducing the PCI-2517......................................................................................................................6
Overview: PCI-2517 features .............................................................................................................................6
Chapter 2
Installing the PCI-2517..........................................................................................................................7
Unpacking...........................................................................................................................................................7
Installing the software ........................................................................................................................................7
Installing the PCI-2517.......................................................................................................................................7
Configuring the hardware ...................................................................................................................................8
Signal connections..............................................................................................................................................8
Connector pinout............................................................................................................................................................... 8
Cabling ...............................................................................................................................................................9
Field wiring and signal termination .................................................................................................................................. 9
Using multiple PCI-2517s per PC ......................................................................................................................9
Chapter 3
Functional Details ...............................................................................................................................10
PCI-2517 block diagram...................................................................................................................................10
Synchronous I/O – mixing analog, digital, and counter scanning ....................................................................10
Bus mastering DMA .........................................................................................................................................11
Analog input .....................................................................................................................................................11
Analog input scanning .....................................................................................................................................................11
Analog output ...................................................................................................................................................11
Example: Analog channel scanning of voltage inputs and streaming analog outputs......................................................12
Digital I/O.........................................................................................................................................................12
Digital input scanning ......................................................................................................................................................12
Digital outputs and pattern generation .............................................................................................................................13
Triggering .........................................................................................................................................................13
Hardware analog triggering .............................................................................................................................................13
Digital triggering..............................................................................................................................................................13
Software-based triggering ................................................................................................................................................13
Stop trigger modes ...........................................................................................................................................................14
Pre-triggering and post-triggering modes ........................................................................................................................14
Counter inputs ..................................................................................................................................................15
Mapped channels .............................................................................................................................................................15
Counter modes .................................................................................................................................................................15
Debounce modes..............................................................................................................................................................16
Encoder mode ..................................................................................................................................................................19
Timer outputs....................................................................................................................................................22
Example: Timer outputs...................................................................................................................................................22
Using detection setpoints for output control.....................................................................................................23
What are detection setpoints? ..........................................................................................................................................23
Setpoint configuration overview......................................................................................................................................23
Setpoint configuration......................................................................................................................................................24
Using the setpoint status register......................................................................................................................................25
Examples of control outputs ............................................................................................................................................26
