National Instruments PCI-445 Series Manuals

Manuals and User Guides for National Instruments PCI-445 Series. We have 1 National Instruments PCI-445 Series manual available for free PDF download: User Manual

National Instruments PCI-445 Series User Manual (124 pages)

Dynamic Signal Acquisition Device for PCI

Brand: National Instruments | Category: I/O Systems | Size: 3.43 MB

Table of Contents
5
About this Manual
10
Conventions
10
How to Use the Manual Set
10
Related Documentation
11
About the PCI-445X
12
Introduction
12
What You Need to Get Started
13
National Instruments Application Software
14
Software Programming Choices
14
Unpacking
14
NI-DAQ Driver Software
15
Figure 1-1. the Relationship between the Programming Environment
16
Optional Equipment
16
Analog Cables
17
Custom Cabling
17
Figure 4-2. Analog Pin Connections for the PCI-4453/4454
17
Analog Accessories
18
Digital Cables (PCI-4451/4452 Only)
18
Figure 4-3. Digital Pin Connections
18
Hardware Installation
19
Installation and Configuration
19
Software Installation
19
Device Configuration
20
Figure 3-1. Digital Function Block Diagram
21
Hardware Overview
21
Figure 3-2. PCI-4451/4452 Analog Function Block Diagram
22
Figure 3-3. PCI-4453/4454 Analog Function Block Diagram
23
Analog Input
24
Input Coupling
24
Input Mode
24
Input Polarity and Input Range
24
Considerations for Selecting Input Ranges
25
Table 3-1. Actual Input Range and Measurement Resolution
25
Analog Output (PCI-4451/4453 Only)
26
Output Mode
26
Output Polarity and Output Range
27
Table 3-2. Actual Output Range and Resolution of the PCI-4451
27
Trigger
28
Figure 3-4. Below-Low-Level Triggering Mode
29
Figure 3-5. Above-High-Level Triggering Mode
29
Figure 3-6. Inside-Region Triggering Mode
30
Figure 3-7. High-Hysteresis Triggering Mode
30
Figure 3-8. Low-Hysteresis Triggering Mode
30
Digital I/O (PCI-4451/4452 Only)
32
Figure 3-9. RTSI Bus Signal Connection
32
RTSI Triggers
32
Programmable Function Inputs (PCI-4451/4452 Only)
33
Timing Signal Routing
33
Device and RTSI Clocks
34
Selecting Sample/Update Clock Frequency
34
Device Configuration Issues
35
I/O Connectors
36
Signal Connections
36
Analog I/O Connector Signal Descriptions
37
Figure 4-1. Analog Pin Connections for the PCI-4451/4452
37
Table 4-1. Analog I/O Connector Pin Assignment for the PCI-4451/4452
38
Table 4-2. Analog I/O Signal Summary for the PCI-4451/4452
39
Table 4-3. Analog I/O Connector Pin Assignment for the PCI-4453/4454
41
Table 4-4. Analog I/O Signal Summary for the PCI-4453/4454
42
Digital I/O Connector Signal Descriptions
43
Table 4-5. Digital I/O Connector Pin Assignment
44
Table 4-6. Digital I/O Signal Summary
46
Analog Input Signal Connections
47
Figure 4-4. Analog Input Stage of the PCI-4451/4452
47
Figure 4-5. Analog Input Stage of the PCI-4453/4454
48
Analog Output Signal Connections
49
Floating Signal Sources
49
Ground-Referenced Signal Sources
49
Types of Signal Sources
49
Figure 4-6. Analog Output Channel Block Diagram for the PCI-4451
50
Analog Power Connections
51
Figure 4-7. Analog Output Channel Block Diagram for the PCI-4453
51
Digital I/O Signal Connections (PCI-4451/4452 Only)
52
Figure 4-8. Digital I/O Connections
52
Digital Power Connections (PCI-4451/4452 Only)
53
Timing Connections
53
Acquisition Timing Connections
54
Figure 4-9. Typical Posttriggered Acquisition
54
Programmable Function Input Connections (PCI-4451/4452 Only)
54
Figure 4-10. Typical Pretriggered Acquisition
55
PFI0/TRIG1 (EXT_TRIG) Signal
55
CONVERT* Signal
56
EXTSTROBE* Signal (PCI-4451/4452 Only)
56
PFI1/TRIG2 (PRETRIG) Signal
56
Figure 4-11. EXTSTROBE* Signal Timing
57
General-Purpose Timing Signal Connections
57
UPDATE* Signal
57
Waveform Generation Timing Connections
57
WFTRIG Signal
57
Figure 4-12. GPCTR0_SOURCE Signal Timing
58
GPCTR0_GATE Signal
58
GPCTR0_SOURCE Signal
58
Figure 4-13. GPCTR0_OUT Signal Timing
59
GPCTR0_UP_DOWN Signal (PCI-4451/4452 Only)
59
GPCTR1_SOURCE Signal (PCI-4451/4452 Only)
59
Figure 4-14. GPCTR1_SOURCE Signal Timing
60
GPCTR1_GATE Signal (PCI-4451/4452 Only)
60
Figure 4-15. GPCTR1_OUT Signal Timing
61
GPCTR1_OUT Signal (PCI-4451/4452 Only)
61
GPCTR1_UP_DOWN Signal (PCI-4451/4452 Only)
61
Figure 4-16. GPCTR Timing Summary
62
Field Wiring Considerations
63
FREQ_OUT Signal (PCI-4451/4452 Only)
63
Loading Calibration Constants
65
External Calibration
66
Self-Calibration
66
Traceable Recalibration
67
Analog Input Circuitry
68
Functional Overview
68
Theory of Analog Operation
68
Antialias Filtering
70
Calibration
70
Input Coupling
70
Figure 6-1. Input Frequency Response
72
Figure 6-2. Input Frequency Response Near the Cutoff
73
Figure 6-3. Alias Rejection at the Oversample Rate for the PCI-4451/4452
74
Figure 6-4. Alias Rejection at the Oversample Rate for the PCI-4453/4454
75
Figure 6-5. Comparison of a Clipped Signal to a Proper Signal
76
The ADC
76
Noise
77
Analog Output Circuitry (PCI-4451/4453 Only)
78
Anti-Image Filtering
79
Figure 6-6. Signal Spectra in the DAC
80
Calibration
81
The DAC
81
Mute Feature
82
Appendix A Specifications

83
- Figure A-1. PCI-4451/4452 Idle Channel Noise (Typical
  87
- Figure B-1. DB-25 Pinout for the SHC68-DB25 Cable
  95
Appendix B Pin Connections

96
- Figure B-2. 68-Pin Digital Connector for any Digital Accessory
  96

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National Instruments PCI-445 Series Manuals

National Instruments PCI-445 Series User Manual (124 pages)

Table of Contents

Appendix A Specifications

Appendix B Pin Connections

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