ADLINK Technology NuDAQ-2500 Series User manual

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