Spectrum-controls 1769sc-IT6I Manual do Utilizador descarregar pdf (Página 60)

B-4 Compact™ IO Isolated Thermocouple Module

User’s Manual Pub. 0300244-01 Rev. A

To prevent violation of channel-to-channel isolation:

• For multiple exposed junction thermocouples, do not allow the measuring

junctions to make direct contact with electrically conductive process material.

• Preferably use a single exposed junction thermocouple with multiple

ungrounded junction thermocouples.

• Consider using all ungrounded junction thermocouples instead of the exposed

junction type.

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 81 82

1769 6 Channel 1
Isolated Thermocouple/mV 1
Input Module 1
Important Notes 2
Table of Contents 3
Preface 7
Conventions 8
Used in This 8
Chapter 1 9
Overview 9
1.1.2 Data Formats 10
1.1.3 Filter Frequencies 10
1.1.4 Hardware Features 10
Section 1.2 11
System Overview 11
1.2.2 Module Operation 12
1.2.1 System Operation 12
Chapter 2 15
Quick Start for 15
Experienced Users 15
Section 2.3 16
What You 16
Need To Do 16
Attention 17
Reference 19
Chapter 3 21
Installation and Wiring 21
3.3.3 Remove Power 23
3.3.4 Selecting a Location 23
Section 3.4 24
System Assembly 24
Section 3.5 25
Mounting 25
3.5.2 Panel Mounting 26
Section 3.6 27
Replacing a 27
Single Module 27
Section 3.7 28
Field Wiring 28
Connections 28
3.7.2 Terminal Door Label 29
3.7.5 Wiring the Module 31
Section 3.8 32
Cold Junction 32
Compensation 32
Section 3.9 33
Calibration 33
Chapter 4 35
Module Data, Status, and 35
Channel Configuration 35
Section 4.2 36
Configuring 36
Channels 36
4.2.2 Channel Configuration 37
Example 1 42
Section 4.4 44
Data File 44
Chapter 5 47
Diagnostics and 47
Troubleshooting 47
Section 5.5 49
Non-critical vs 49
Critical Module 49
Section 5.6 50
Module Error 50
Definition Table 50
Section 5.7 51
Error Codes 51
Section 5.8 52
Module Inhibit 52
Function 52
Appendix A 53
Specifications 53
Appendix B 57
Using Thermocouple 57
Junctions 57
Section B.2 58
Using an 58
Ungrounded 58
(Isolated) Junction 58
Thermocouple 58
Section B.3 59
Using an Exposed 59
Junction 59
Appendix C 61
Module Configuration Using 61
MicroLogix 1500 and 61
RSLogix 500 61
Section C.2 62
Configuring the 62
1769sc-IT6I in a 62
MicroLogix 1500 62
Appendix D 67
Configuring the IT6I for 67
CompactLogix Controllers in 67
RSLogix 5000 67
Section D.3 70
I/O Modules 70
Appendix E 73
Configuring the IT6I to be 73
Used with a 1769-ADN 73
DeviceNet Adapter 73
Section E.5 75
Getting Technical 81
Assistance 81
Declaration of 81
Conformity 81

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