ADLINK Technology PXI-2020 Manual de usuario

Advance Technologies; Automate the World.

Manual Rev. 2.01

Revision Date: October 4, 2010

Part No: 50-17032-2010

PXI-2020/2022

8/16-CH 16-Bit 250 KS/s

Simultaneous Sampling Card

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

ADLINK Technology, Inc.

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

Taipei County 235, Taiwan

؀קᗼխࡉؑ৬ԫሁ 166 ᇆ9ᑔ

Tel: +886-2-8226-5877

Fax: +886-2-8226-5717

Email: [email protected]

Ampro ADLINK Technology, Inc.

Address: 5215 Hellyer Avenue, #110, San Jose, CA 95138, USA

Tel: +1-408-360-0200

Toll Free: +1-800-966-5200 (USA only)

Fax: +1-408-360-0222

Email: [email protected]

ADLINK Technology (China) Co., Ltd.

Address: Ϟ⍋Ꮦ⌺ϰᮄᓴ∳催⾥ᡔು㢇᯹䏃 300 ো(201203)

300 Fang Chun Rd., Zhangjiang Hi-Tech Park,

Pudong New Area, Shanghai, 201203 China

Tel: +86-21-5132-8988

Fax: +86-21-5132-3588

Email: [email protected]

ADLINK Technology Beijing

Address: ࣫ҀᏖ⍋⎔Ϟഄϰ䏃 1োⲜ߯ࡼ࡯໻ Eᑻ801 ᅸ(100085)

Rm. 801, Power Creative E, No. 1, B/D

Shang Di East Rd., Beijing, 100085 China

Tel: +86-10-5885-8666

Fax: +86-10-5885-8625

Email: [email protected]

ADLINK Technology Shenzhen

Address: ⏅ഇᏖቅ⾥ᡔು催ᮄϗ䘧᭄ᄫᡔᴃು

A1 󰶀2ὐC(518057)

2F, C Block, Bldg. A1, Cyber-Tech Zone, Gao Xin Ave. Sec. 7,

High-Tech Industrial Park S., Shenzhen, 518054 China

Tel: +86-755-2643-4858

Fax: +86-755-2664-6353

Email: [email protected]

ADLINK Technology (Europe) GmbH

Address: Nord Carree 3, 40477 Duesseldorf, Germany

Tel: +49-211-495-5552

Fax: +49-211-495-5557

Email: [email protected]

ADLINK Technology, Inc. (French Liaison Office)

Address: 15 rue Emile Baudot, 91300 Massy CEDEX, France

Tel: +33 (0) 1 60 12 35 66

Fax: +33 (0) 1 60 12 35 66

Email: [email protected]

ADLINK Technology Japan Corporation

Address: 151-0072 ᧲ㇺ⼱඙ᐈ䊱⼱㩷

1-1-2 ᦺᣣ↢๮ᐈ䊱⼱䊎䊦 8F

Asahiseimei Hatagaya Bldg. 8F

1-1-2 Hatagaya, Shibuya-ku, Tokyo 151-0072, Japan

Tel: +81-3-4455-3722

Fax: +81-3-5333-6040

Email: [email protected]

ADLINK Technology, Inc. (Korean Liaison Office)

Address: 昢殾柢昢爎割昢爎壟 1506-25 穢壊 B/D 2 猻

2F, Hando B/D, 1506-25, Seocho-Dong, Seocho-Gu,

Seoul 137-070, Korea

Tel: +82-2-2057-0565

Fax: +82-2-2057-0563

Email: [email protected]

ADLINK Technology Singapore Pte. Ltd.

Address: 84 Genting Lane #07-02A, Cityneon Design Centre,

Singapore 349584

Tel: +65-6844-2261

Fax: +65-6844-2263

Email: singapore@adlinktech.com

ADLINK Technology Singapore Pte. Ltd. (Indian Liaison Office)

Address: No. 1357, "Anupama", Sri Aurobindo Marg, 9th Cross,

JP Nagar Phase I, Bangalore - 560078, India

Tel: +91-80-65605817

Fax: +91-80-22443548

Email: india@adlinktech.com

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............................................................................... 2

1.2 Applications ......................................................................... 3

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

1.4 Performance ........................................................................ 8

2 Getting Started ................................................................... 9

2.1 Installation Environment ...................................................... 9

2.2 Package Contents ............................................................. 10

2.3 Mechanical Drawing and I/O Connectors .......................... 11

2.4 Installing the module.......................................................... 14

2.5 Software Support ............................................................... 15

Programming Library .................................................... 15

2.6 PCI Configuration .............................................................. 16

3 Signal Connections.......................................................... 17

3.1 Connectors Pin Assignment .............................................. 17

3.2 Analog Input Signal Connection ........................................ 20

Types of Signal Sources ............................................... 20

Input Connect Configurations - Differential Input Mode 21

4 Function Block and Operation Theory........................... 23

4.1 Overall Function Block Diagram ........................................ 23

4.2 Basic AI Acquisition ........................................................... 24

Analog Input Path ......................................................... 24

Basic Acquisition Timing ............................................... 24

AI Data Format ............................................................. 26

4.3 ADC Sampling Rate and TIMEBASE Control.................... 28

Internal Oscillator .......................................................... 28

External Clock through Front Panel .............................. 28

External Clock from PXI Interfaces ............................... 29

Sampling Rate Control .................................................. 30

ii Table of Contents

Timebase Exporting ...................................................... 30

4.4 Trigger Sources ................................................................. 31

Software Trigger ........................................................... 31

External Digital Trigger ................................................. 31

PXI Star Trigger ............................................................ 32

PXI Trigger Bus ............................................................ 32

Trigger Signal Exporting ............................................... 33

4.5 User-controllable Timing Signals ....................................... 34

DAQ timing signals ....................................................... 35

Auxiliary Function Inputs (AFI) ...................................... 36

4.6 Trigger Modes.................................................................... 37

Post-trigger Acquisition ................................................. 37

Pre-trigger Acquisition .................................................. 37

Middle-trigger Acquisition ............................................. 38

Delay-trigger Acquisition ............................................... 39

4.7 Synchronizing Multiple Modules ........................................ 40

SSI_TIMEBASE ............................................................ 41

4.8 General Purpose Timer/Counter Operation ....................... 43

Timer/Counter Functions Basics ................................... 43

General Purpose Timer/Counter Modes ....................... 44

5 Calibration......................................................................... 49

5.1 Loading Calibration Constants........................................... 49

5.2 Auto-calibration .................................................................. 50

5.3 Saving Calibration Constants............................................. 50

Important Safety Instructions............................................... 51

List of Tables iii

List of Tables

Table 1-1: Basic Specifications .................................................. 3

Table 1-2: Triggers .................................................................... 4

Table 1-3: Digital I/O .................................................................. 5

Table 1-4: General Purpose Timer/Counter .............................. 5

Table 1-5: Timebase System ..................................................... 6

Table 1-6: Auto Calibration ........................................................ 6

Table 1-7: General ..................................................................... 7

Table 1-8: Power Requirements ................................................ 7

Table 1-9: Performance ............................................................. 8

Table 2-1: SMB Connector ...................................................... 12

Table 2-2: TRG IO, as an Input Port ........................................ 12

Table 2-3: TRG IO, as an Output Port ..................................... 13

Table 2-4: CLK IN .................................................................... 13

Table 2-5: CLK OUT0/OUT1, as an Output Port ..................... 13

Table 3-1: PXI-2020/2022 68-pin VHDCI-type Pin Assignment 17

Table 3-2: 68-pin VHDCI-type Connector Legend ................... 18

Table 4-1: Basic Counters ....................................................... 25

Table 4-2: Bipolar Analog Input Range and Output Digital Code 27

Table 4-3: Summary of User-controllable Timing Signals and Corre-

sponding Functionalities ......................................... 35

Table 4-4: SSI Timing .............................................................. 40

iv List of Figures

List of Figures

Figure 2-1: PXI-2020/2022 PCB Layout..................................... 11

Figure 3-1: Ground-referenced Source and Differential Input.... 21

Figure 3-2: Floating Source and Differential Input ..................... 22

Figure 4-1: PXI-2022 Functional Block Diagram........................ 23

Figure 4-2: PXI-2020/2022 Analog Input Path ........................... 24

Figure 4-3: Basic Acquisition Timing of PXI-2020/2022............. 26

Figure 4-4: PXI-2022 Timebase Source and Architecture. ........ 28

Figure 4-5: Configuring Different Sampling Rate of PXI-2022. .. 30

Figure 4-6: PXI-2020/2022 Trigger Sources .............................. 31

Figure 4-7: External Digital Trigger Polarity and Pulse Width Re-

quirement................................................................. 32

Figure 4-8: TRG IO Output Signal Timing.................................. 33

Figure 4-9: DAQ Signal Routing................................................. 34

Figure 4-10: Post-trigger Acquisition............................................ 37

Figure 4-11: Pre-trigger Mode Operation ..................................... 37

Figure 4-12: Pre-trigger Mode Operation ..................................... 38

Figure 4-13: Middle-trigger Mode Operation ................................ 38

Figure 4-14: Delay-trigger Mode Operation ................................. 39

Figure 4-15: SSI Mode Operation ................................................ 41

Figure 4-16: Mode 1 Operation.................................................... 44

Figure 4-17: Mode 2 Operation.................................................... 45

Figure 4-18: Mode 3 Operation.................................................... 45

Figure 4-19: Mode 4 Operation.................................................... 46

Figure 4-20: Mode 5 Operation.................................................... 46

Figure 4-21: Mode 6 Operation.................................................... 47

Figure 4-22: Mode 7 Operation.................................................... 47

Figure 4-23: Mode 8 Operation.................................................... 48

Introduction 1

1 Introduction

ADLINK's PXI-2020/2022 are simultaneous-sampling multi-func-

tion DAQ cards to meet a wide range of application requirements

for PXI systems. The devices can simultaneously sample 8/16 AI

channels with differential input configurations in order to achieve

maximum noise elimination. If more analog input channels are

required, multiple cards can be synchronized through the PXI Trig-

ger bus. The PXI-2020/2022 feature digital triggering, 4-CH pro-

grammable digital I/O lines, and 2-CH 32-bit general-purpose

timer/counter. The auto-calibration functions adjust the gain and

offset to be within specified accuracies such that you do not have

to adjust trim pots to calibrate the cards.

Flexible Triggering

The PXI-2020/2022 feature flexible triggering options such as a

software trigger, external digital trigger and triggers from the PXI

Star trigger and trigger bus. These versatile trigger sources allow

you to configure the PXI-2020/2022 to fit your application needs.

Post-trigger, delay-trigger, pre-trigger and middle-trigger modes

are also available to acquire data around the trigger event. The

PXI-2020/2022 also feature repeated trigger acquisition, so you

can acquire data in multiple segments with successive trigger

events at extremely short rearming intervals.

Multiple-Module Synchronization

The versatile trigger options provided by the PXI backplane allow

the PXI-2020/2022 to achieve multi-module synchronization in a

simplified way. Utilizing the PXI Trigger bus, the PXI-2020/2022

can output trigger signals and the timebase to the PXI trigger bus

when configured as a master, or receive trigger signals and the

timebase from the PXI trigger bus when configured as a slave.

Moreover, when the PXI-2020/2022 are plugged into a peripheral

slot of a PXI system, they can also receive triggers or the time-

base from the PXI Star trigger controller slot. The precision 10

MHz clock that comes from the PXI backplane can also be used

as one of the timebase sources. Combining these PXI trigger fea-

tures with the interface of the PXI-2020/2022 makes it very easy to

synchronize multiple modules.

2Introduction

Calibration

The PXI-2020/2022 includes a precision on-board reference with

very low temperature drift. This feature not only provides a stable

calibration source for auto-calibration but also maintains stable

acquisition accuracy over a wide temperature range. The auto-

mated calibration process can be done through software without

need for any manually adjustments. Once the calibration process

has completed, the calibration information will be stored in the on-

board EEPROM so that the values can be loaded and used as

needed by the board.

1.1 Features

The PXI-2020/2022 Simultaneous Data Acquisition Card provides

the following advanced features:

Supports 3.3V and 5V PCI signal

PXI specification Rev 2.2 compliant

8/16-CH differential analog inputs

Bipolar analog input

Programmable gains of x1, x4

Scatter gather DMA transfer for AI continuously data acqui-

sition

4-CH TTL digital input/output

2-CH 32-bit general purpose timer/counters

Digital triggering

Fully auto calibration

Multiple cards synchronization through PXI trigger bus

Onboard 16 K sample memory for data storage

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