National-instruments 6023E Manuel d'utilisateur Page 12
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Chapter 1 Introduction
6023E/6024E/6025E User Manual 1-2 ni.com
These devices can interface to an SCXI system—the instrumentation front
end for plug-in DAQ devices—so that you can acquire analog signals from
thermocouples, RTDs, strain gauges, voltage sources, and current sources.
You can also acquire or generate digital signals for communication and
control.
Using PXI with CompactPCI
Using PXI compatible products with standard CompactPCI products is an
important feature provided by PXI Specification, Revision 1.0. If you use a
PXI compatible plug-in card in a standard CompactPCI chassis, you cannot
use PXI-specific functions, but you can still use the basic plug-in card
functions. For example, the RTSI bus on your PXI E Series device is
available in a PXI chassis, but not in a CompactPCI chassis.
The CompactPCI specification permits vendors to develop sub-buses that
coexist with the basic PCI interface on the CompactPCI bus. Compatible
operation is not guaranteed between CompactPCI devices with different
sub-buses nor between CompactPCI devices with sub-buses and PXI.
The standard implementation for CompactPCI does not include these
sub-buses. Your PXI E Series device works in any standard CompactPCI
chassis adhering to PICMG CompactPCI 2.0 R2.1 core specification.
PXI specific features are implemented on the J2 connector of the
CompactPCI bus. Table 3-3, Pins Used by PXI E Series Device, lists the J2
pins used by your PXI E Series device. Your PXI device is compatible with
any Compact PCI chassis with a sub-bus that does not drive these lines.
Even if the sub-bus is capable of driving these lines, the PXI device is still
compatible as long as those pins on the sub-bus are disabled by default and
not ever enabled. Damage can result if these lines are driven by the sub-bus.
What You Need to Get Started
To set up and use your device, you need the following:
❑
One of the following devices:
– PCI-6023E
– PCI-6024E
– PCI-6025E
– PXI-6025E
– DAQCard-6024E
- 6023E/6024E/6025E 1
- User Manual 1
- Important Information 3
- Contents 4
- Chapter 4 5
- About This Manual 9
- Related Documentation 10
- Introduction 11
- Using PXI with CompactPCI 12
- What You Need to Get Started 12
- Software Programming Choices 13
- NI-DAQ Driver Software 14
- Optional Equipment 15
- Chapter 1 Introduction 16
- Software Installation 17
- Unpacking 17
- Hardware Installation 18
- Hardware Configuration 19
- PCI-6025E, and PXI-6025E 20
- Analog Input 21
- Input Range 22
- Dithering 23
- Figure 3-3 24
- Analog Output 25
- Digital I/O 26
- Timing Signal Routing 26
- Programmable Function Inputs 27
- Device and RTSI Clocks 28
- RTSI Triggers 28
- Chapter 3 Hardware Overview 29
- Table 3-3 30
- Signal Connections 31
- Chapter 4 Signal Connections 32
- 6024E, and 6025E 34
- Table 4-3. I/O Signal Summary 37
- Analog Input Signal Overview 38
- Floating Signal Sources 39
- Analog Input Modes 39
- Signal Sources 44
- Sources (RSE Configuration) 48
- Sources (NRSE Configuration) 48
- Figure 4-8 49
- All Devices 50
- Port C Pin Assignments 53
- Power-up State 54
- Timing Specifications 55
- Mode 1 Input Timing 57
- Mode 1 Output Timing 58
- Mode 2 Bidirectional Timing 59
- Power Connections 60
- Timing Connections 60
- DAQ Timing Connections 62
- SCANCLK Signal 63
- EXTSTROBE* Signal 63
- TRIG1 Signal 64
- = 50-100 ns 65
- STARTSCAN Signal 66
- Figure 4-25 67
- STARTSCAN Input Signal Timing 67
- Figure 4-26 67
- = 10 ns minimum 68
- AIGATE Signal 69
- SISOURCE Signal 70
- WFTRIG Signal 70
- UPDATE* Signal 71
- UISOURCE Signal 72
- GPCTR0_SOURCE Signal 73
- GPCTR0_GATE Signal 74
- GPCTR0_OUT Signal 75
- GPCTR0_UP_DOWN Signal 75
- GPCTR1_SOURCE Signal 76
- GPCTR1_GATE Signal 76
- GPCTR1_OUT Signal 77
- GPCTR1_UP_DOWN Signal 77
- Field Wiring Considerations 79
- Calibration 80
- Self-Calibration 81
- External Calibration 81
- Other Considerations 82
- Specifications 83
- Accuracy Information 84
- Transfer Characteristics 85
- Amplifier Characteristics 85
- Output Characteristics 86
- Dynamic Characteristics 86
- Stability 86
- Voltage Output 88
- DIO<0..7> 89
- Timing I/O 90
- Operating Environment 92
- Storage Environment 92
- PCMCIA Bus 93
- Triggers 99
- Digital Trigger 99
- Power Requirement 99
- Physical 100
- Environment 100
- Custom Cabling and Optional 101
- Connectors 101
- Optional Connectors 102
- Figure B-1 103
- Common Questions 107
- Analog Input and Output 108
- Timing and Digital I/O 109
- Select_Signal 110
- Appendix C Common Questions 111
- Technical Support Resources 112
- Worldwide Support 113
- Glossary 114
- See also breakdown voltage 126
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