ADLINK Technology DAQ-2501 User manual

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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

Copyright 2006 ADLINK TECHNOLOGY INC.
All Rights Reserved.
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: [phone]
FAX: [phone]
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.
Company Information
Company/Organization
Contact Person
E-mail Address
Address
Country
TEL FAX:
Web Site
Product Information
Product Model
Environment
OS:
M/B: CPU:
Chipset: BIOS:
Please give a detailed description of the problem(s):

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

Introduction 3
1.3 Specifications
Analog Output (AO)
XNumber of channels: 4-CH for DAQ/PXI-2501, 8-CH for
DAQ/PXI-2502
XDA converter: AD7945
XMax update rate: 1MS/s
XResolution: 12 bits
XFIFO buffer size: 8K for DAQ/PXI-2501, 16K for DAQ/PXI-
2502
XData transfer: Programmed I/O, and bus-mastering DMA
with scat-ter/gather
XVoltage reference: internal 10V or external up to ±10V
XOutput range:
ZBipolar: ±10V or ±external reference
ZUnipolar: 0~10V or 0~ external reference
XSettling time for –10~+10V step: 2μs
XSlew rate: 20V/μs
XOutput coupling: DC
XProtection: Short-circuit to ground
XOutput impedance: 0.1Ω. max.
XOutput current: ±5mA max.
XPower-on state: 0V steady-state
XPower-on glitch: ±600mV/500μs
XOffset error:
ZBefore calibration: ±80mV max
ZAfter calibration: ±2mV max
XGain error:
ZBefore calibration: ±0.8% of output max
ZAfter calibration: ±0.02% of output max

4Introduction
Analog Input (AI)
XNumber of channels: 4 single-ended for DAQ/PXI-2502, 8
single-ended for DAQ/PXI-2501
XAD converter: LTC1416
XMax sampling rate: 400KS/s
XResolution: 14 bits
XFIFO buffer size: 2K samples
XInput range: Bipolar: ±10V, unipolar: 0~10V
XOver voltage protection: Continuous ±35V maximum
XInput impedance: 1GΩ| 6pF
XTrigger mode: Pre-trigger, post-trigger, middle-trigger, and
delay trigger
XData transfers: Programmed I/O, and bus-mastering DMA
with scat-ter/gather
XInput coupling: DC
XOffset error:
ZBefore calibration: ±40mV max
ZAfter calibration: ±1mV max
XGain error:
ZBefore calibration: ±0.4 % of output max
ZAfter calibration: ±1mV of output max
General Purpose Digital I/O (G.P. DIO)
XNumber of channels: 24 programmable Input/Output
XCompatibility: TTL/CMOS
XInput voltage:
ZLogic Low: VIL=0.8V max.; IIL=0.2mA max.
ZHigh: VIH=2.0V max.; IIH=0.02mA max
XOutput voltage:
ZLow: VOL=0.5 V max.; IOL=8mA max.
ZHigh: VOH=2.7V min; IOH=400μA

Introduction 5
General Purpose Timer/ Counter (GPTC)
XNumber of channel: 2 Up/Down Timer/Counters
XResolution: 16 bits
XCompatibility: TTL/CMOS
XClock source: Internal or external
XMax source frequency: 10MHz
Analog Trigger (A.Trig)
XSource: external analog trigger (EXTATRIG)
XLevel: ±10V external
XResolution: 8 bits
XSlope: Positive or negative (software selectable)
XHysteresis: Programmable
XBandwidth: 400khz
XExternal Analog Trigger Input (EXTATRIG)
XImpedance: 40KΩ
XCoupling: DC
XProtection: Continuous ±35V maximum
System Synchronous Interface (SSI)
XTrigger lines: 7
Calibration
XRecommended warm-up time: 15 minutes
XOn-board reference: 5.0V
XTemperature coefficient: ±2ppm/°C
XLong-term stability: 6ppm/1000Hr
Physical
XDimension: 175mm by 107mm
XI/O connector: 68-pin female mini-SCSI type
XPower Requirement: +5VDC; 1.6A typical

6Introduction
Operating Environment
XAmbient temperature: 0 to 55°C
XRelative humidity: 10% to 90% non-condensing
Storage Environment
XAmbient temperature: -20 to 70°C
XRelative humidity: 5% to 95% non-condensing
1.4 Software Support
ADLINK provides versatile software drivers and packages for
users’ different approach to building up a system. ADLINK not only
provides pro-gramming libraries such as DLL for most Windows
based systems, but also provide drivers for other software pack-
ages such as LabVIEW®.
All software options are included in the ADLINK CD. Non-free soft-
ware drivers are protected with licensing codes. Without the soft-
ware code , you can install and run the demo version for two hours
for trial/demonstration purposes. Please contact ADLINK dealers
to purchase the formal license.
Programming Library
For customers who are writing their own programs, we provide
function libraries for many different operating systems, including:
D2K-DASK: Includes device drivers and DLL for Windows 98,
Windows NT and Windows 2000. DLL is binary compatible
across Windows 98, Windows NT and Windows 2000/XP. This
means all applications developed with D2K-DASK are compati-
ble across Windows 98, Windows NT and Windows 2000/XP.
The developing environment can be VB, VC++, Delphi, BC5, or
any Windows pro-gramming language that allows calls to a
DLL. The user’s guide and function reference manual of D2K-
DASK are in the CD. (\Manual\Software Package\D2K-DASK)
D2K-DASK/X: Includes device drivers and shared library for
Linux. The developing environment can be Gnu C/C++ or any
program-ming language that allows linking to a shared library.

Introduction 7
D2K-LVIEW: LabVIEW® Driver
D2K-LVIEW contains the VIs, which are used to interface with NI’s
Lab-VIEW® software package. The D2K-LVIEW supports Win-
dows 98/NT/2000/XP. The LabVIEW® driver is shipped free with
the board. You can install and use them without a license. For
detailed information about D2K-LVIEW, please refer to the user’s
guide in the CD (\Manual\Software Package\D2K-LVIEW).
D2K-OCX: ActiveX Controls
We suggest customers who are familiar with ActiveX controls and
VB/VC++ programming use PCIS-OCX ActiveX control compo-
nent librar-ies for developing applications. PCIS-OCX is designed
for Windows 98/NT/2000/XP. For more detailed information about
PCIS-OCX, please refer to the user's guide in the CD.
(\Manual\Software Package\DAQBench Evaluation\English)
The above software drivers are shipped with the board. Please
refer to the “Software Installation Guide” in the package to install
these drivers.
In addition, ADLINK supplies an ActiveX control software
DAQBench. DAQBench is a collection of ActiveX controls for mea-
surement or auto-mation applications. With DAQBench, you can
easily develop custom user interfaces to display your data, ana-
lyze data you acquired or received from other sources, or integrate
with popular applications or other data sources. For more detailed
information about DAQBench, please refer to the user's guide in
the CD.
(\Manual\Software Package\DAQBench Evaluation\English)
You can also get a free 4-hour evaluation version of DAQBench
from the CD.
DAQBench is not free. Please contact ADLINK dealer or ADLINK
to pur-chase the software license.

8Introduction

Installation 9
2 Installation
This chapter describes how to install DAQ/PXI-2500 SERIES
cards. The contents of the package and unpacking information
that you should be aware of are outlined first.
DAQ/PXI-2500 SERIES performs an automatic configuration of
the IRQ, and port address. Users can use software utility,
PCI_SCAN.EXE to read the system configuration.
2.1 Contents of Package
In addition to this User's Guide, the package should include the
following items:
XDAQ/PXI-2500 SERIES Multi-function Data Acquisition
Card
XADLINK All-in-one Compact Disc
XSoftware Installation Guide
If any of these items are missing or damaged, contact the dealer
from whom you purchased the product. Save the shipping materi-
als and carton in case you want to ship or store the product in the
future.
2.2 Unpacking
Your DAQ/PXI-2500 SERIES card contains electro-static sensitive
com-ponents that can be easily be damaged by static electricity.
Therefore, the card should be handled on a grounded anti-static
mat. The operator should be wearing an anti-static wristband,
grounded at the same point as the anti-static mat.
Inspect the card module carton for obvious damages. Shipping
and han-dling may cause damage to your module. Be sure there
are no shipping and handling damages on the modules carton
before continuing.
After opening the card module carton, extract the system module
and place it only on a grounded anti-static surface with component
side up.

10 Installation
Again, inspect the module for damages. Press down on all the
socketed IC's to make sure that they are properly seated. Do this
only with the module place on a firm flat surface.
Note: DO NOT APPLY POWER TO THE CARD IF IT HAS BEEN
DAMAGED.
You are now ready to install your DAQ/PXI-2500 SERIES.

Installation 11
2.3 DAQ/PXI-2500 SERIES Layout
Figure 2-1: PCB Layout of DAQ-2502/2501
Figure 2-2: PCB Layout of PXI-2502/2501