National Instruments PCI-1200 Manuel d'utilisateur Page 5
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Contents
PCI-1200 User Manual vi © National Instruments Corporation
Types of Signal Sources ................................................................... 3-7
Floating Signal Sources...................................................... 3-7
Ground-Referenced Signal Sources ................................... 3-7
Input Configurations......................................................................... 3-7
Differential Connection Considerations
(DIFF Configuration) ...................................................... 3-9
Differential Connections for Grounded Signal Sources..... 3-10
Differential Connections for Floating Signal Sources ....... 3-11
Single-Ended Connection Considerations.......................... 3-12
Single-Ended Connections for Floating Signal Sources
(RSE Configuration)........................................................ 3-13
Single-Ended Connections for Grounded Signal Sources
(NRSE Configuration)..................................................... 3-13
Common-Mode Signal Rejection Considerations.............. 3-14
Analog Output Signal Connections................................................................. 3-15
Digital I/O Signal Connections ....................................................................... 3-16
Logical Inputs and Outputs............................................................... 3-17
Port C Pin Connections..................................................................... 3-18
Power Connections ......................................................................................... 3-18
DAQ and General Purpose Timing Signal Connections................................. 3-18
DAQ Timing Connections................................................................ 3-19
General Purpose Timing Signal Connections................................... 3-23
Timing Specifications....................................................................... 3-27
Mode 1 Input Timing........................................................................ 3-28
Mode 1 Output Timing ..................................................................... 3-29
Mode 2 Bidirectional Timing ........................................................... 3-30
Chapter 4
Theory of Operation
Functional Overview ..................................................................................................... 4-1
PCI Interface Circuitry .................................................................................................. 4-2
Timing ........................................................................................................................... 4-3
Analog Input.................................................................................................................. 4-5
Analog Input Circuitry .................................................................................... 4-6
DAQ Operations ............................................................................................. 4-7
Controlled Acquisition Mode ........................................................... 4-8
Freerun Acquisition Mode................................................................ 4-8
Interval Scanning Acquisition Mode................................................ 4-8
Single-Channel Data Acquisition ..................................................... 4-9
Multichannel Scanned Data Acquisition .......................................... 4-9
DAQ Rates ...................................................................................................... 4-10
Analog Output ............................................................................................................... 4-11
- PCI-1200 User Manual 1
- Important Information 3
- Contents 4
- Chapter 4 5
- Theory of Operation 5
- About This Manual 10
- Related Documentation 11
- Customer Communication 11
- Introduction 12
- Unpacking 13
- Software Programming Choices 13
- NI-DAQ Driver Software 14
- Register-Level Programming 15
- Optional Equipment 16
- Custom Cabling 16
- Chapter 1 Introduction 17
- Software Installation 18
- Hardware Installation 18
- Board Configuration 19
- Analog Output Polarity 20
- Analog Input Polarity 20
- Analog Input Mode 20
- NRSE Input (Eight Channels) 21
- DIFF Input (Four Channels) 22
- Signal Connections 23
- Figure 3-1 24
- Table 3-1 25
- Table 3-2 27
- Table 3-3 27
- Figure 3-2 28
- Types of Signal Sources 29
- Input Configurations 29
- Table 3-4 30
- Chapter 3 Signal Connections 31
- Figure 3-3 32
- Figure 3-4 33
- (RSE Configuration) 35
- (NRSE Configuration) 35
- Figure 3-6 36
- Figure 3-7 38
- Logical Inputs and Outputs 39
- Port C Pin Connections 40
- Power Connections 40
- DAQ Timing Connections 41
- Figure 3-10 42
- Posttrigger DAQ Timing 42
- Figure 3-11 43
- Pretrigger DAQ Timing 43
- Figure 3-12 44
- Figure 3-13 45
- Figure 3-14 46
- Figure 3-15 47
- Figure 3-16 48
- Timing Specifications 49
- Mode 1 Input Timing 50
- Mode 1 Output Timing 51
- Mode 2 Bidirectional Timing 52
- Functional Overview 53
- PCI Interface Circuitry 54
- Chapter 4 Theory of Operation 55
- Figure 4-3 56
- Timing Circuitry 56
- Analog Input 57
- Analog Input Circuitry 58
- DAQ Operations 59
- Controlled Acquisition Mode 60
- Freerun Acquisition Mode 60
- DAQ Rates 62
- Analog Output 63
- Digital I/O 64
- Calibration 66
- Calibration at Higher Gains 67
- Calibrate_1200 68
- Specifications 69
- Transfer Characteristics 70
- Amplifier Characteristics 70
- Dynamic Characteristics 71
- Appendix A Specifications 72
- Explanation of Dither 73
- Explanation of DAQ Rates 73
- Output Characteristics 74
- Voltage Output 74
- Stability 75
- Timing I/O 76
- Digital Trigger 77
- Bus Interface 77
- Power Requirement 77
- Physical 77
- Environment 77
- Telephone and Fax Support 79
- Technical Support Form 80
- National Instruments Products 82
- Other Products 82
- Documentation Comment Form 84
- Glossary 85
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