ADLINK Technology DAQ-2501 Manuale utente

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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.

This document contains proprietary information protected by copy-

right. All rights are reserved. No part of this manual may be repro-

duced by any mechanical, electronic, or other means in any form

without prior written permission of the manufacturer.

Trademarks

NuDAQ, NuIPC, DAQBench are registered trademarks of ADLINK

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.

Getting Service from ADLINK

Customer Satisfaction is top priority for ADLINK Technology Inc.

Please contact us should you require any service or assistance.

ADLINK TECHNOLOGY INC.

Web Site: http://www.adlinktech.com

Sales & Service: [email protected]

TEL: +886-2-82265877

FAX: +886-2-82265717

Address: 9F, No. 166, Jian Yi Road, Chungho City,

Taipei, 235 Taiwan

Please email or FAX this completed service form for prompt and

satisfactory service.

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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

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