Data Translation DT9874 Manuals

Manuals and User Guides for Data Translation DT9874. We have 2 Data Translation DT9874 manuals available for free PDF download: User Manual

Data Translation DT9874 User Manual

Data Translation DT9874 User Manual (140 pages)

USB Measurement Instrument

Brand: Data Translation | Category: Measuring Instruments | Size: 3.52 MB

Table of Contents

Table of Contents
5
About this Manual
9
How this Manual Is Organized
9
Intended Audience
9
Conventions Used in this Manual
10
Related Information
10
Where to Get Help
11
Chapter 1: Overview

13
- Hardware Features
  14
- Temppoint Features
  14
- Voltpoint Features
  15
- Measurpoint Features
  16
- Supported Software
  18
- Accessories
  19
- Getting Started Procedure
  20
- Part 1: Getting Started
  21
- Getting Started Procedure
  21
Chapter 2: Preparing to Use the Instrument

23
- Unpacking
  25
- Checking the System Requirements
  26
- Installing the Software
  27
- Viewing the Documentation
  28
Chapter 3: Setting up and Installing the Instrument

29
Chapter 4: Wiring Signals

39
Chapter 5: Verifying the Operation of Your Instrument

61
Chapter 6: Principles of Operation

79
- Block Diagrams
  80
- DT9871U Block Diagram
  80
- DT9871 Block Diagram
  81
- DT9872 Block Diagram
  82
- DT9873 Block Diagram
  83
- DT9874 Block Diagram
  84
- Analog Input Features
  85
- Analog Input Channels
  85
- Thermocouple Input Channels
  86
- Cold Junction Compensation
  87
- Open Thermocouple Detection
  87
- RTD Channels
  88
- Input Ranges
  88
- Out of Range Data for Thermocouple Channels
  89
- Out of Range Data for RTD Channels
  90
- Out of Range Data for High Voltage Channels
  90
- Resolution
  90
- Calibration
  90
- Sample Clock Source
  91
- Trigger Source
  91
- Conversion Modes
  92
- Specifying Analog Input Channels
  92
- How Continuous Scan Works
  92
- Filtering
  93
- Data Format
  93
- Data Format for Thermocouple Channels
  94
- Data Format for RTD Channels
  94
- Data Format for High Voltage Channels
  94
- Error Conditions
  94
- Digital I/O Features
  96
- Digital Input Lines
  96
- Digital Output Lines
  97
- Channel-To-Channel Isolation
  97
- Resolution
  97
- Operation Modes
  97
Chapter 7: Troubleshooting

99
- General Checklist
  100
- Technical Support
  102
- If Your Instrument Needs Factory Service
  103
Appendix A: Specifications

105
- Basic Instrument Specifications
  106
- Thermocouple Specifications
  107
- System Temperature Error for the DT9871U and DT9874
  108
- System Temperature Error for the DT9871
  109
- RTD Specifications
  111
- Isolation and Protection Specifications
  112
- Memory Specifications
  113
- Temperature Stability Specifications
  114
- Voltage Measurement Specifications
  115
- Digital I/O Specifications
  117
- Power, Physical, and Environmental Specifications
  118
- Regulatory Specifications
  119
- Connector Specifications
  120
- Thermocouple Connectors
  120
- RTD Connectors
  120
- High Voltage Connectors
  120
Appendix B: Connector Pin Assignments

121
Appendix C: about ISO-Channel Technology

123
- ISO-Channel Technology
  124
- Why ISO-Channel Technology Is Your Best Return on Investment
  125
- Understanding Ground Loops
  125
- ISO-Channel Eliminates Ground Loops and Increases Common-Mode Rejection
  126
- Floating, Differential Signals
  127
- Simultaneous Architecture
  128
- Channel-To-Channel Isolation
  129
- Summary
  130
- Floating Signal Inputs Offer New Application Advantages
  131
- Isolating each Input
  132
- New Application Derived from Isolated Channels
  135
- Summary
  136
- Index
  137

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Data Translation DT9874 User Manual

Data Translation DT9874 User Manual (134 pages)

Standard TEMPpoint, VOLTpoint, and MEASURpoint USB Instruments

Brand: Data Translation | Category: Measuring Instruments | Size: 1.36 MB

Table of Contents

Table of Contents
5
About this Manual

9
- Intended Audience
  9
- Conventions Used in this Manual
  10
- How this Manual Is Organized
  10
- Related Information
  11
- Where to Get Help
  11
Chapter 1: Overview

13
- Hardware Features
  14
  - Temppoint Features
    14
  - Voltpoint Features
    16
  - Measurpoint Features
    17
- Supported Software
  19
- Accessories
  21
- Getting Started Procedure
  22
Part 1: Getting Started

23
- Getting Started Procedure
  23
Chapter 2 : Preparing to Use the

25
Instrument

25
- Unpacking
  27
- Checking the System Requirements
  28
- Installing the Software
  29
- Viewing the Documentation
  30
Chapter 3: Setting up and Installing

31
The Instrument

31
Chapter 4: Wiring Signals

41
Chapter 5 : Verifying the Operation

63
Of Your Instrument

63
Part 2: Using Your Instrument

81
Chapter 6: Principles of Operation

83
- Block Diagrams
  84
  - DT9871U Block Diagram
    84
  - DT9871 Block Diagram
    85
  - DT9872 Block Diagram
    86
  - DT9873 Block Diagram
    87
  - DT9874 Block Diagram
    88
- Analog Input Features
  89
  - Analog Input Channels
    89
    
    Thermocouple Input Channels
    90
    
    Cold Junction Compensation
    91
    
    Open Thermocouple Detection
    91
    
    RTD Channels
    92
  - Input Ranges
    92
    
    Out of Range Data for Thermocouple Channels
    93
    
    Out of Range Data for RTD Channels
    94
    
    Out of Range Data for Voltage Channels
    94
  - Resolution
    94
  - Calibration
    94
  - Sample Clock Source
    95
  - Trigger Source
    95
  - Conversion Modes
    96
    
    How Continuous Scan Works
    96
    
    Specifying Analog Input Channels
    96
  - Filtering
    97
  - Data Format
    97
    
    Data Format for RTD Channels
    98
    
    Data Format for Thermocouple Channels
    98
    
    Data Format for Voltage Channels
    98
  - Error Conditions
    98
- Digital I/O Features
  100
  - Digital Input Lines
    100
  - Digital Output Lines
    101
  - Channel-To-Channel Functional Isolation
    101
  - Resolution
    101
  - Operation Modes
    101
Chapter 7: Troubleshooting

103
- General Checklist
  104
- Technical Support
  106
- If Your Instrument Needs Factory Service
  107
Appendix A: Specifications

109
- Basic Instrument Specifications
  110
- Thermocouple Specifications
  111
  - System Temperature Error for the DT9871U and DT9874
    112
  - System Temperature Error for the DT9871
    114
- RTD Specifications
  116
- Temperature Specifications
  117
- Voltage Measurement Specifications
  119
- Isolation and Protection Specifications
  121
- Memory Specifications
  122
- Digital I/O Specifications
  123
- Power, Physical, and Environmental Specifications
  124
- Regulatory Specifications
  125
- Connector Specifications
  126
  - Thermocouple Connectors
    126
  - RTD Connectors
    127
  - Specifications
    128
  - External Power Supply Specifications
    128

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