Allen-Bradley CompactBlock LDX 1790D-T4T0 Manuals

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Allen-Bradley CompactBlock LDX 1790D-T4T0 User Manual

Allen-Bradley CompactBlock LDX 1790D-T4T0 User Manual (112 pages)

I/O Thermocouple Modules

Brand: Allen-Bradley | Category: I/O Systems | Size: 1 MB

Table of Contents

Your Questions or Comments on this Manual
4
Table of Contents
5
Chapter 1 General Description

9
Overview

9
- Thermocouple/MV Inputs and Ranges
  10
- Hardware Features
  11
  - General Diagnostic Features
    12
- System Overview
  12
  - System Operation
    12
  - Module Operation - Devicenet Example
    13
- Chapter Summary
  14
- Before You Begin
  15
Chapter 2

15
Installation and Wiring

15
Chapter 3 Module Memory Map

31
- Input Image
  31
- Input Data File
  32
- Data Format
  33
- Filter Frequency
  34
- Channel Cutoff Frequency
  35
- Channel Step Response
  35
- Effective Resolution
  37
- Cold Junction Compensation
  41
- Calculating Accuracy
  42
- Determining Module Update Time
  42
- (1790D-4T0/T4T0)
  44
- Configuring Devicenet Thermocouple/MV Module
  44
- Configure Devicenet Thermocouple/MV Modules Using
  45
- Rsnetworx
  45
- Chapter Summary
  49
Chapter 4

51
- Indicator Lights
  51
- Activating Devices When Troubleshooting
  51
- Stand Clear of the Equipment
  52
- Program Alteration
  52
- Safety Circuits
  52
- Safety Considerations
  51
- Module Operation Vs. Channel Operation
  52
- Power-Up Diagnostics
  53
  - Module Status
    53
  - Network Status
    53
- Channel Diagnostics
  54
- Channel LED Indicator Operation
  55
Appendix A

57
- Environmental Specifications
  57
- Devicenet Specifications
  58
- PROFIBUS DP Specifications
  58
- General Specifications
  59
- Thermocouple/MV Specifications
  60
- Positive Decimal Values
  61
Appendix B Negative Decimal Values

62
- Numbers Negative Decimal Values
  62
Appendix C

63
- International Temperature Scale of 1990
  63
- Type B Thermocouples
  63
- Type E Thermocouples
  65
- Type J Thermocouples
  67
- Type K Thermocouples
  69
- Type N Thermocouples
  71
- Type R Thermocouples
  73
- Type S Thermocouples
  74
- Type T Thermocouples
  76
- References
  79
- Using a Grounded Junction Thermocouple
  85
Appendix D

86
- Using an Ungrounded (Isolated) Junction Thermocouple
  86
- Using an Exposed Junction Thermocouple
  87
Appendix E

89
- Configuration Tool
  89
- Configure PROFIBUS Thermocouple/MV Modules (1790P-T4R0
  89
- Download the Configuration
  95
- Save the Configuration
  95
- Summary
  98
Glossary

99
Index

103
- Publication 1790-UM003A-EN-P - May
  103

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