Rockwell-automation 1797-OE8H FLEX Ex HART Analog Modules User Manual Manual de usuario descargar pdf (Pagina 142)

Publication 1797-6.5.3 - March 2006

B-18 FLEX Ex HART Module Commands

Command 145

Command 145 is the Write Retry Limits command.

Table B.19 Command 145 Request and Response Data Bytes

Byte Description Value

Request Data Bytes

0 BUSY_RETRY Number of retries for a busy response from

instrument

0…11

1 OTHER_RETRY Number of retries for another error from

instrument

0…11

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 195 196

FLEX Ex HART 1
Analog Modules 1
Important User Information 2
Summary of Changes 3
What’s Changed 3
Summary of Changes 2 4
Table of Contents 5
Chapter 3 6
How to Install Your FLEX Ex 6
Table of Contents 3 7
Table of Contents 4 8
Table of Contents 5 9
Table of Contents 6 10
Table of Contents 7 11
Table of Contents 8 12
For Additional Information 14
What This Chapter Contains 15
What the FLEX Ex Analog 15
I/O Modules Do 15
How FLEX Ex Analog 16
Modules Communicate 16
Controllers 16
Physical Features of Your 17
Analog I/O Module 17
Using Alarms on the 17
1797-IE8H Module 17
Data Format Alarm Example 18
Overrange Alarm 18
Underrange Alarm 18
Remote Fault Alarm 19
Local Fault Alarm 20
How to Use the 21
HART Capabilities 21
HART Implementation 21
Overview 21
HART Commands 22
HART Target Tags 23
HART Command Tags 24
HART Initialize Tags 25
HART Initialize Channel Tags 26
Selecting the Correct Path 29
Module Features 31
Selecting a 1797-IE8H FLEX 32
Ex Analog Input Module’s 32
Operating Features 32
High Low Error Level 33
Input Filter Cutoff 33
Data Format 34
Data Formats and Error Ranges 36
Selecting a 1797-OE8H FLEX 37
Ex Analog Output Module’s 37
Analog Digital State 38
Analog Fault State Value 38
Diagnostic Data error 40
11=data out of range 40
Understanding Image Table 42
Mapping and Bit/Word 42
Descriptions 42
1797-IE8H and -OE8H 49
Extended Configuration 49
Data Table 49
HART Status LEDs 50
HART Status Inhibit 50
50/60 Hz Filter 50
Before You Install Your 53
Analog Module 53
Compliance to European 54
Union Directives 54
Installation in Zone 1 55
Installation in Zone 22 55
Electrostatic Charge 55
Removal and Insertion 56
Under Power 56
Install the Module 56
Mount on a DIN Rail 57
Panel/Wall Mount 59
Label under here 61
Wire the Terminal Base 62
Connecting Wiring to the 63
FLEX Ex I/O Analog 63
ATTENTION 64
Ground the Module 66
ControlNet Network 69
Using Programming 70
Software in Your FLEX Ex 70
Application 70
About the ControlNet Ex 70
Communication Over the 71
FLEX Ex Backplane 71
Unscheduled Data Transfer 72
Module I/O Mapping 72
I/O Structure 73
Fault State Data 75
Device Actions 75
Calibrate Your Module 77
When and How to Calibrate 78
Your FLEX Ex Analog I/O 78
Tools and Equipment 78
1797-IE8H Calibration 79
Features 79
Command Structure 80
2 Calibrate gain at 25 °C 81
°C Channel-Mask 82
25 °C according to 83
. During the 87
1797-OE8H Calibration 88
Calibration) 96
Evaluate the Application 99
Define the Area 100
Classification 100
Select Protection 101
Method(s) 101
Match Field Devices and 101
I/O Modules 101
Optimize Power 105
Distribution 105
Assigning Power Supplies 106
Safe Area 107
Hazardous Area 107
Chapter Summary 108
Troubleshoot the FLEX Ex 109
Analog I/O Modules 109
8 CHANNEL ANALOG OUTPUT 110
Specifications 113
Class I Division 1 Hazardous 114
Specifications A-3 115
Wiring Methods 116
IMPORTANT 117
A-6 Specifications 118
Specifications A-9 121
1797-OE8H Output Module 122
Specifications A-11 123
A-12 Specifications 124
FLEX Ex HART Module Commands 125
Universal Commands 126
Common Practice 127
Commands 127
Device-specific Commands 127
Command 129 128
Command 130 130
Command 131 131
Command 132 132
Command 133 132
Command 134 133
Command 135 134
Command 136 135
Command 137 136
Command 138 137
Command 139 138
Command 140 139
Command 141 140
Command 143 141
Command 144 141
Command 145 142
Command 146 143
Command 147 144
Command 148 144
Command 149 145
Command 152 145
Command 154 146
Command 158 147
Command 159 148
Command 164 148
Appendix 149
What This Appendix 149
Contains 149
Message Structure 149
Transaction Procedure 150
Burst Mode (not supported) 150
Preamble 151
Start Character 151
HART Address 151
HART Command 152
Byte Count 152
Check Byte 152
Response Code 153
Background Information 165
Configuration 166
Analog Fault State 168
Fault Mode 168
Local Fault Mode 168
Latch Retry Mode 169
Analog/Digital Mode 169
Digital Fault State 170
Analog Fault State Values 170
Digital Output Data 171
Global Reset Bit 171
Analog Output Data 171
Diagnostic Status Data 172
HART Rebuild Bit 172
Fault Alarm 172
HART Failure 173
HART Readback 173
HART Communication 173
HART Transmitter 174
Filter Cutoff 178
Up/Down Bit 179
High and Low Error Level 179
Square Root Threshold 181
Analog Input Data 181
Local Fault 182
Remote Fault 182
Diagnostic Status 183
Communication 185
Differences Between 187
Attributes and Assembly 187
HART Frame Enhancements 190
2 192
How Are We Doing? 193
BUSINESS REPLY MAIL 194
Rockwell Automation 196

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