Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8 Manuals

Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8 Manuals

Manuals and User Guides for Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8. We have 1 Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8 manual available for free PDF download: User Manual

Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8 User Manual

Rockwell Automation Allen-Bradley FLEX Ex 1797-IRT8 User Manual (84 pages)

Thermocouple/ RTD/mV Input Module

Brand: Rockwell Automation | Category: Control Unit | Size: 1.41 MB

Table of Contents

Table of Contents
5
For Additional Information
9
How FLEX Ex Thermocouple/Rtd/MV Modules Communicate with Programmable Controllers
9
What the FLEX Ex Thermocouple/Rtd/MV Modules Do
9
What this Chapter Contains
9
Events Following Power-Up
10
Features of Your Module
10
Indicators
11
Using Alarms on the 1797-IRT8 Module
11
Cold Junction Compensation Alarm
12
Data Format Alarm Example
12
Open Wire
12
Overrange
12
Underrange
12
Chapter Summary
13
Data Formats and Fault Modes
13
What this Chapter Contains
15
Input Type Select
16
Sensor Type Select
16
Setting a FLEX Ex Thermocouple/Rtd Module's Operating Status
16
Status
16
Input Filter Cutoff
17
Data Format
18
Preset Temperature Select
19
Sensor Mode Select
19
RTD Loop Resistance Offset Select
20
Fault Mode Select
21
Overrange Alarm
21
Using Module Alarms
21
Underrange Alarm
22
Chapter Summary
23
Fault Alarm
23
Before You Install Your Analog Module
25
What this Chapter Contains
25
Compliance to European Union Directives
26
EMC Directive
26
Ex Directive
26
Installation in Zone 1
26
Electrostatic Charge
27
Installing the Module
27
Mounting on a DIN Rail
27
Removal and Insertion under Power
27
Panel/Wall Mounting
30
Base Unit
32
Mounting the 1797-IRT8 Module on the Terminal
32
Wiring the Terminal Base Units
33
Connecting Wiring to the FLEX Ex Thermocouple/Rtd/MV Module
34
Inputs/Outputs
34
Wiring Connections for the 1797-IRT8 Module
35
Chapter Summary
37
Grounding the Module
37
What this Chapter Contains
39
About the Controlnet Ex Adapter
40
Communication over the FLEX Ex Backplane
40
Using Programming Software in Your FLEX Ex Application
40
Module I/O Mapping
41
Scheduled Data-Transfer
41
Unscheduled Data-Transfer
41
I/O Structure
42
Adapter Status Word
43
Communication Fault Behavior
44
Device Actions
44
Fault State Data
44
Idle State Behavior
45
Input Data Behavior Upon Module Removal
45
Bit/Word Description for the Thermocouple/Rtd/MV Input Module (1797-IRT8)
46
Thermocouple/Rtd/MV Input Module (1797-IRT8) Image Table Mapping
46
Chapter Summary
52
What this Chapter Contains
53
When and How to Calibrate Your FLEX Ex Thermocouple/Rtd/MV Input Module
53
Calibration Method
54
Tools and Equipment
54
Evaluate the Application
55
What this Chapter Contains
55
Decide Classification Method
56
Define the Area Classification
56
Determine Hazard
56
Determine Temperature Rating
56
1797-IRT8 and Thermocouple and RTD Functional and IS Verification
57
Match Field Devices and I/O Modules
57
Select Protection Method(S)
57
Using the Entity Method
59
Entity Parameters
60
General Example
61
Interconnect Wiring
61
Assigning Power Supplies
62
I/O
62
Optimize Power Distribution
62
Power Supply Considerations
63
Chapter Summary
64
Status Indicators
65
What this Chapter Contains
65
Chapter Summary
66
Repair
66
Appendix A Specifications

67
- CE/CENELEC I/O Entity Parameters
  68
- UL, C-UL I/O Entity Parameters
  69
- Wiring Methods
  69
- FM I/O Entity Parameters
  71
- Wiring Methods
  72

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