Measurement Computing PCI-DAS6023 - Manual (Page 5)

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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 PCI-DAS6023 and PCI-DAS6025 ............................................................................... 8
Overview: PCI-DAS6023 and PCI-DAS6025 features ...................................................................................... 8
Software features ................................................................................................................................................ 8
Chapter 2
Installing the PCI-DAS6023 or PCI-DAS6025...................................................................................... 9
What comes with your PCI-DAS6023 or PCI-DAS6025 shipment ................................................................... 9
Hardware .......................................................................................................................................................................... 9
Additional documentation ................................................................................................................................................. 9
Optional components ........................................................................................................................................................ 9
Unpacking the board ......................................................................................................................................... 10
Installing the software ...................................................................................................................................... 10
Installing the hardware ..................................................................................................................................... 10
Configuring the hardware ................................................................................................................................. 11
Differential input mode ....................................................................................................................................................11
Single-ended input mode .................................................................................................................................................11
Non-referenced single-ended input mode ........................................................................................................................11
DAQ-Sync configuration .................................................................................................................................................12
Connecting the board for I/O operations .......................................................................................................... 12
Connectors, cables – main I/O connector .........................................................................................................................12
Pin out – main I/O connector ...........................................................................................................................................13
Cabling .............................................................................................................................................................................15
DAQ-Sync connector and pinout .....................................................................................................................................16
Field wiring and signal termination accessories ...............................................................................................................16
Chapter 3
Functional Details ............................................................................................................................... 18
Basic architecture ............................................................................................................................................. 18
Auxiliary input and output interface ................................................................................................................................18
DAQ-Sync signals ...........................................................................................................................................................19
DAQ signal timing............................................................................................................................................ 21
SCANCLK signal ............................................................................................................................................................21
A/D START TRIGGER signal ........................................................................................................................................21
A/D STOP TRIGGER signal ...........................................................................................................................................22
STARTSCAN signal ........................................................................................................................................................23
SSH signal .......................................................................................................................................................................23
A/D CONVERT signal ....................................................................................................................................................24
A/D PACER GATE signal ...............................................................................................................................................24
A/D EXTERNAL TIME BASE signal ............................................................................................................................24
A/D STOP signal .............................................................................................................................................................25
Waveform generation timing connections ........................................................................................................ 25
D/A START TRIGGER signal ........................................................................................................................................25
D/A CONVERT signal ....................................................................................................................................................26
D/A EXTERNAL TIME BASE signal ............................................................................................................................26
General-purpose counter signal timing ............................................................................................................. 27
CTR1 CLK signal ............................................................................................................................................................27
CTR1 GATE signal .........................................................................................................................................................27
CTR1 OUT signal ............................................................................................................................................................28