ADLINK Technology NuDAQ-2500 Series Manual de usuario

Advance Technologies; Automate the World.

Manual Rev. 2.01

Revision Date: December 21, 2006

Part No: 50-12265-100

NuDAQ-2500 Series

High Performance

Analog Output Multi-function Cards

User’s Manual

The information in this document is subject to change without prior

notice in order to improve reliability, design, and function and does

not represent a commitment on the part of the manufacturer.

In no event will the manufacturer be liable for direct, indirect, spe-

cial, incidental, or consequential damages arising out of the use or

inability to use the product or documentation, even if advised of

the possibility of such damages.

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without prior written permission of the manufacturer.

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TECHNOLOGY INC.

Product names mentioned herein are used for identification pur-

poses only and may be trademarks and/or registered trademarks

of their respective companies.

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Table of Contents i

Table of Contents

Table of Contents..................................................................... i

List of Tables.......................................................................... iii

List of Figures ........................................................................ iv

1 Introduction ........................................................................ 1

1.1 Features............................................................................... 1

1.2 Applications ......................................................................... 2

1.3 Specifications....................................................................... 3

Analog Output (AO) ........................................................ 3

Analog Input (AI) ............................................................. 4

General Purpose Digital I/O (G.P. DIO) .......................... 4

General Purpose Timer/ Counter (GPTC) ...................... 5

Analog Trigger (A.Trig) ................................................... 5

System Synchronous Interface (SSI) .............................. 5

Calibration ....................................................................... 5

Physical .......................................................................... 5

Operating Environment ................................................... 6

Storage Environment ...................................................... 6

1.4 Software Support ................................................................. 6

Programming Library ...................................................... 6

D2K-LVIEW: LabVIEW® Driver ...................................... 7

D2K-OCX: ActiveX Controls ........................................... 7

2 Installation .......................................................................... 9

2.1 Contents of Package ........................................................... 9

2.2 Unpacking............................................................................ 9

2.3 DAQ/PXI-2500 SERIES Layout ......................................... 11

2.4 PCI Configuration .............................................................. 12

3 Signal Connections.......................................................... 13

3.1 Connectors Pin Assignment .............................................. 13

4 Operation Theory ............................................................. 17

4.1 A/D Conversion.................................................................. 18

DAQ/PXI-2500 series AD Data Format ........................ 18

Software Polling ............................................................ 19

ii Table of Contents

Programmable Scan ..................................................... 19

4.2 D/A Conversion.................................................................. 26

Software Update ........................................................... 29

Waveform Generation ................................................... 29

4.3 General Purpose Digital I/O ............................................... 39

4.4 General Purpose Timer/Counter Operation ....................... 40

Timer/Counter functions basics .................................... 40

General Purpose Timer/Counter modes ....................... 41

4.5 Trigger Sources ................................................................. 45

Software-Trigger ........................................................... 45

External Analog Trigger ................................................ 45

4.6 Timing Signals ................................................................... 49

System Synchronization Interface ................................ 50

5 Calibration ......................................................................... 51

5.1 Auto-calibration .................................................................. 51

5.2 Saving Calibration Constants............................................. 52

5.3 Loading Calibration Constants........................................... 52

Appendix ................................................................................ 53

Waveform Generation Demonstration ............................... 53

Warranty Policy ..................................................................... 55

List of Tables iii

List of Tables

Table 3-1: Connector CN1 pin assignment .............................. 14

Table 3-2: Connector CN2 pin assignment .............................. 14

Table 4-1: Bipolar Input Range and Converted Digital Codes . 18

Table 4-2: Unipolar Input Range and Converted Digital Codes 18

Table 4-3: Trigger Modes and Corresponding Trigger Sources 20

Table 4-4: Summary of Counters for Programmable Scan ...... 20

Table 4-5: D/A Output Versus Digital Codes ........................... 28

Table 4-6: Trigger Signals and Corresponding Signal Sources 29

Table 4-7: Summary of Counters for Waveform Generation ... 30

Table 4-8: Analog trigger SRC1(EXTATRIG) ideal transfer charac-

teristic ..................................................................... 46

iv List of Figures

List of Figures

Figure 2-1: PCB Layout of DAQ-2502/2501............................... 11

Figure 2-2: PCB Layout of PXI-2502/2501................................. 11

Figure 4-1: Timing for Scan........................................................ 21

Figure 4-2: Post trigger .............................................................. 23

Figure 4-3: Delay trigger ............................................................ 23

Figure 4-4: Post trigger with retrigger......................................... 24

Figure 4-5: Scatter/Gather DMA for data transfer ...................... 25

Figure 4-6: Block Diagram of D/A Group ................................... 26

Figure 4-7: Data Format in FIFO and mapping .......................... 27

Figure 4-8: Typical D/A timing of waveform generation ............. 31

Figure 4-9: Post-Trigger Generation .......................................... 33

Figure 4-10: Delay-Trigger Generation ........................................ 33

Figure 4-11: Post-Trigger with Retrigger Generation ................... 34

Figure 4-12: Finite iterative waveform generation w/Post-trigger. 35

Figure 4-13: Infinite iterative waveform generation w/Post-trigger 36

Figure 4-14: Stop mode I ............................................................. 38

Figure 4-15: Stop mode II ............................................................ 38

Figure 4-16: Stop mode III ........................................................... 39

Figure 4-17: Mode 1 Operation.................................................... 41

Figure 4-18: Mode 2 Operation.................................................... 42

Figure 4-19: Mode 3 Operation.................................................... 42

Figure 4-20: Mode 4 Operation.................................................... 43

Figure 4-21: Mode 5 Operation.................................................... 43

Figure 4-22: Mode 6 Operation.................................................... 44

Figure 4-23: Mode 7 Operation.................................................... 44

Figure 4-24: Mode 8 Operation.................................................... 45

Figure 4-25: Analog trigger block diagram ................................... 46

Figure 4-26: Below-Low analog trigger condition......................... 47

Figure 4-27: Above-High analog trigger condition........................ 47

Figure 4-28: Inside-Region analog trigger condition .................... 48

Figure 4-29: High-Hysteresis analog trigger condition ................. 48

Figure 4-30: Low-Hysteresis analog trigger condition.................. 49

Figure 4-31: DAQ signals routing................................................. 50

Introduction 1

1 Introduction

The DAQ/PXI-2500 SERIES is an advanced analog output card

based on the 32-bit PCI/PXI architecture. High performance

designs and state-of-the-art technology make this card ideal for

waveform generation, industrial proc-ess control, and signal analy-

sis applications in medical, process control, etc.

1.1 Features

DAQ/PXI-2500 SERIES advanced analog output cards provide

the following advanced features:

X32-bit PCI/PXI-Bus, plug and play

XUp to 1MS/s analog output rate

XUp to 400KS/s analog input rate

XUp to 8 analog output channels for DAQ/PXI-2502, and 4

analog output channels for DAQ/PXI-2501

XUp to 4 analog input channels for DAQ/PXI-2502, and 8

analog input channels for DAQ/PXI-2501

XProgrammable bipolar/unipolar range for analog input chan-

nels and individual analog output channels

XProgrammable internal/external reference for individual

analog output channels

XD/A FIFO size: 8K samples for DAQ/PXI-2501, and 16K

samples for DAQ/PXI-2502

XA/D FIFO size: 2K samples

XVersatile trigger sources: software trigger, external digital

trigger, ana-log trigger and trigger from System Synchroni-

zation Interface (SSI)

XA/D Data transfer: software polling & bus-mastering DMA

with Scat-ter/Gather

XD/A Data transfer: software update and bus-mastering DMA

with Scatter/Gather

XA/D trigger modes: post-trigger, delay-trigger with re-trigger

functionality

XD/A outputs with waveform generation capability

2Introduction

XSystem Synchronization Interface (SSI)

XA/D and D/A fully auto-calibration

XBuild-in programmable D/A external reference voltage com-

pensator

XCompletely jumper-less and software configurable

1.2 Applications

XAutomotive Testing

XArbitrary Waveform Generator

XTransient Signal Measurement

XATE

XLaboratory Automation

XBiotech measurement

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