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1794-IE8H
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Allen-Bradley 1794-IE8H User Manual Page 60
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Publicatio
n 1794
-UM063A-E
N-P -
March 20
06
3-14
Install Y
our
FLEX I/O
Analog M
odules
1
2
...
55
56
57
58
59
60
61
62
63
64
65
...
145
146
FLEX I/O HART
1
Analog Modules
1
Important User Information
2
ATTENTION
3
AVERTISSEMENT
4
IMPORTANT
5
Table of Contents
7
Table of Contents 2
8
Table of Contents 3
9
Table of Contents 4
10
Table of Contents 5
11
Table of Contents 6
12
™ analog modules with
13
For Additional Information
14
Preface 3
15
Preface 4
16
What This Chapter Contains
17
What the FLEX I/O Analog
17
I/O Modules Do
17
How FLEX I/O Analog
18
Communicate with
18
Programmable Controllers
18
Physical Features of Your
19
Analog I/O Module
19
Use Alarms on the
19
1794-IE8H Module
19
Data Format Alarm Example
20
Remote Fault Alarm
21
Local Fault Alarm
22
How to Use the
23
HART Capabilities
23
HART Implementation
23
Overview
23
Chapter Summary
24
Configurable FLEX I/O
25
Analog Module Features
25
Select Your 1794-IE8H
26
FLEX I/O Analog Input
26
Module’s Operating
26
Features
26
High Low Error Level
27
Input Filter Cutoff
27
Data Format
28
Data Formats and Error Ranges
30
Select Your 1794-OE8H
31
FLEX I/O Analog Output
31
Analog Digital State
32
Analog Fault State Value
32
Digital Fault State
32
Diagnostic Data error
33
11=data out of range
33
Understand Image Table
36
Mapping and Bit/Word
36
Descriptions
36
(1794-IE8H)
38
1794-IE8H and -OE8H
43
Extended Configuration
43
Data Table
43
HART Status Indicators
44
HART Status Inhibit
44
50 or 60 Hz Filter
44
Before You Install Your
47
Analog Module
47
Removal and Insertion
48
Under Power
48
Install the Module
48
Mount on a DIN Rail
49
Mount on a Panel or Wall
51
Label Under Here
53
Wire the Terminal Base
54
Connect Wiring to the
54
FLEX I/O HART Analog
54
4 to 20mA
55
ATTENTIONATTENTION
56
Ground the Module
58
ControlNet Network
61
Use Programming Software
62
About the ControlNet
62
Communication Over the
63
FLEX I/O Backplane
63
Unscheduled Data Transfer
64
Module I/O Mapping
64
I/O Structure
64
Adapter Status Word
65
Fault State Data
66
Device Actions
67
Calibrate Your Module
69
Tools and Equipment
70
1794-IE8H Calibration
70
Command Structure
71
2 Calibrate gain at 25 °C
72
°C Channel-Mask
73
25 °C according to
74
25 °C is in process
75
Read/write
76
Channel 1
77
. During the
78
1794-OE8H Calibration
79
Calibration)
86
Troubleshoot the FLEX I/O
89
Analog I/O Modules
89
Specifications
91
A-2 Specifications
92
FLEX I/O HART Module Commands
93
Device-Specific Commands
95
Message Structure
99
Transaction Procedure
100
Burst Mode (not supported)
100
Preamble
101
Start Character
101
HART Address
101
Byte Count
102
Check Byte
102
HART Command
102
Response Code
103
Universal Commands
105
Common Practice
107
Commands
107
Appendix
115
What This Appendix
115
Contains
115
Communication
115
Differences Between
117
Attributes and Assembly
117
HART Frame Enhancements
120
Background Information
121
Configuration
122
Filter Cutoff
124
Up/Down Bit
125
High and Low Error Level
125
Square Root Threshold
127
Analog Input Data
127
Underrange Alarm
127
Overrange Alarm
128
Local Fault
128
Remote Fault
128
Diagnostic Status
129
Analog Fault State
134
Fault Mode
134
Local Fault Mode
134
Latch Retry Mode
135
Analog Fault State Values
136
Digital Output Data
136
Global Output Data
136
Analog Output Data
137
Diagnostic Status Data
137
HART Rebuild Bit
137
Fault Alarm
138
HART Failure
138
HART Readback
138
HART Communication
139
HART Transmitter
139
How Are We Doing?
141
BUSINESS REPLY MAIL
142
2 Index
144
Rockwell Automation
146
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