National Instruments 776572-1600 Manuals

Manuals and User Guides for National Instruments 776572-1600. We have 1 National Instruments 776572-1600 manual available for free PDF download: User Manual

National Instruments 776572-1600 User Manual (101 pages)

Brand: National Instruments | Category: Terminal Block | Size: 1.21 MB

Table of Contents
5
About the SCXI-1125
10
What You Need to Get Started
10
National Instruments Documentation
12
Installing Application Software, NI-DAQ, and the DAQ Device
13
Installing the SCXI-1125 Module into the SCXI Chassis
13
Connecting the SCXI-1125 in an SCXI Chassis to an E/M/X Series DAQ Device for Multiplexed Scanning
13
Connecting the SCXI-1125 in a PXI/SCXI Combination Chassis to an E/M/X Series DAQ Device for Multiplexed Scanning
14
Connecting the SCXI-1125 to an E/M/X Series DAQ Device for Parallel Scanning
14
Verifying the SCXI-1125 Installation in Software
15
Installing SCXI Using NI-Daqmx in Software
15
Manually Adding Modules in NI-Daqmx
15
Installing SCXI Using Traditional NI-DAQ (Legacy) in Software
15
Manually Adding Modules in Traditional NI-DAQ (Legacy)
15
Verifying and Self-Testing the Installation
15
Troubleshooting the Self-Test Verification
16
Troubleshooting in NI-Daqmx
16
Connecting Signals
18
AC and DC Voltage Connections
18
Ground-Referenced Signal
19
Figure 2-1. Connecting a Ground-Referenced Signal
19
Floating Signal
20
Figure 2-2. Connecting a Floating Signal
20
AC-Coupling
21
Figure 2-3. Connecting a Floating AC-Coupled Signal
21
Figure 2-4. Connecting a Ground-Referenced AC-Coupled Signal
21
Pin Assignments
22
Table 2-1. Front Signal Pin Assignments
23
Temperature Sensor Connection
24
Rear Signal Connector
24
Table 2-2. Rear Signal Pin Assignments
25
Configuring and Testing
26
SCXI-1125 Software-Configurable Settings
26
Common Software-Configurable Settings
26
Filter Bandwidth
26
Gain/Input Range
26
Connecting the SCXI-1125 in an SCXI Chassis to an E/M/X Series DAQ Device for Multiplexed Scanning
27
Connecting the SCXI-1125 in a PXI/SCXI Combination Chassis to an E/M/X Series DAQ Device for Multiplexed Scanning
27
Configurable Settings in MAX
27
NI-Daqmx
28
Creating a Voltage Global Channel or Task
28
Traditional NI-DAQ (Legacy)
29
Configuring Module Property Pages in Traditional NI-DAQ (Legacy)
30
Creating a Virtual Channel
31
Verifying the Signal
31
Verifying the Signal in NI-Daqmx Using a Task or Global Channel
31
Verifying the Signal in Traditional NI-DAQ (Legacy)
32
Verifying the Signal Using Channel Strings
32
Verifying the Signal Using Virtual Channel
33
Theory of Operation
34
Gain
34
Figure 4-1. SCXI-1125 Block Diagram
34
Filter Bandwidth and Cutoff Frequency
35
Operating in Multiplexed Mode
35
Multiplexed Hardware Operation Theory
36
Operating in Parallel Mode
37
Theory of Parallel Hardware Operation
37
Using the SCXI-1125
38
Temperature Measurements Using Thermocouples
38
Making High-Voltage Measurements
41
Table 5-1. Extended Gain and Range Using the SCXI-1327 or SCXI-1313A
41
Developing Your Application in NI-Daqmx
42
Typical Program Flowchart
42
Table 5-2. Extended Gain and Range Using the TBX-1316
42
Figure 5-1. Typical Program Flowchart
43
General Discussion of Typical Flowchart
44
Creating a Task Using DAQ Assistant or Programmatically
44
Adjusting Timing and Triggering
44
Configuring Channel Properties
45
Table 5-3. NI-Daqmx Properties
45
Acquiring, Analyzing, and Presenting
46
Completing the Application
46
Developing an Application Using Labview
46
Table 5-4. Programming a Task in Labview
47
Using a Daqmx Channel Property Node in Labview
48
Specifying Channel Strings in NI-Daqmx
49
Figure 5-2. Labview Channel Property Node with Lowpass Frequency Set at 10 Khz on Channel Sc1Mod1/Ai0
49
Text Based Ades
51
Measurement Studio (Visual Basic, .NET, and C#)
51
Programmable NI-Daqmx Properties
51
Developing Your Application in Traditional NI-DAQ (Legacy)
52
Table 5-5. NI-Daqmx Properties
52
Traditional NI-DAQ (Legacy) in Labview
53
Typical Program Flow
54
Figure 5-3. Typical SCXI-1125 Program Flow with Traditional NI-DAQ (Legacy)
54
Configure the SCXI-1125 Settings Using Traditional NI-DAQ (Legacy) in Labview
55
Table 5-6. Settings for Configuring the SCXI-1125 through the AI Parameter
55
Configure, Start Acquisition, and Take Readings Using Traditional NI-DAQ (Legacy) in Labview
56
Figure 5-4. Using the AI Parameter VI to Set up the SCXI-1125
56
Convert Scaling Using Traditional NI-DAQ (Legacy) in Labview
57
Analyze and Display Using Traditional NI-DAQ (Legacy) in Labview
57
Traditional NI-DAQ (Legacy) in Text-Based Ades
58
Configuring System Settings Using Traditional NI-DAQ (Legacy) C API
58
Configure Module Settings Using Traditional NI-DAQ (Legacy) C API
59
Table 5-7. Configuration Functions
59
Perform Offset Null Compensation Using Traditional NI-DAQ (Legacy) C API
60
Perform Acquisition Using Traditional NI-DAQ (Legacy) C API
60
Table 5-8. NI-DAQ Functions Used to Configure SCXI-1125
60
Perform Scaling, Analysis, and Display
61
Using Software for Multiplexed Scanning
61
Labview and the SCXI Channel String
62
Labview and the Virtual Channel String
63
Performing a Multiplexed Scan
64
C and Low-Level DAQ Functions
65
Using Software for Parallel Scanning
65
Labview and Parallel Mode
65
C and Parallel Mode
66
Other Application Documentation and Material
66
Traditional NI-DAQ (Legacy) CVI Examples
66
Traditional NI-DAQ (Legacy) Measurement Studio Examples
66
Calibration
67
Calibration Procedures
67
One-Point Offset Calibration
68
Table 5-9. Gain Values and Input Limits
68
Two-Point Gain and Offset Calibration
69
Table A-1. Input Signal Range Versus Gain
70
Figure A-1. SCXI-1125 Dimensions
76
Table A-2. Terminal Block Maximum Voltages
77
Removing the SCXI-1125
82
Table D-1. Comparison of the SCXI-1125 with the SCXI-1120
84
Table D-2. Digital Signals on the SCXI-1125
86

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National Instruments 776572-1600 User Manual (101 pages)

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