Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manuel d'utilisateur Page 47
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- Table des matières
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Noté. / 5. Basé sur avis des utilisateurs
Publication 1794-UM065B-EN-E - September 2010
1794-IF8IH and 1794-OF8IH Configuration 35
Byte Order (2 of 2 bits)
This setting selects the byte order of module's data. Note: The MSW and EDT
words (Words 0, 1 and 15) of the Primary Input Data Table are not swapped.
All other Primary Input Data and Configuration Data are adjusted according
to the following chart
The purpose of this parameter is to allow this module to operate properly
within data networks or systems utilizing various byte orders, across all data
types (for example, Boolean data to 32 bit float data). Upon receiving the
configuration assembly the module must inspect BYTE ORDER to determine
how to interpret the configuration assembly.
Two sets of Byte Order bits are provided since the module will not know at
power-up and configuration reception what Endian format the configuration
6% 6 00110
7% 7 00111
8% 8 01000
9% 9 01001
10% 10 0 1 0 1 0
… … ……………
30% 30 1 1 1 1 0
31% 31 1 1 1 1 1
Byte Order
Byte Order
Group B
Byte Order
Group A
Bit 9 Bit 8 Bit 1 Bit 0 Description
0 0 0 0 Little Endian Format (default) — all data entries in true
Little Endian format
1 0 1 0 Word Swap — word swap only values requiring more
than one word, for example, 32 bit float values.
0 1 0 1 Byte Swap — byte swap all words in data table.
1 1 1 1 Big Endian Format — all data entries in true Big Endian
format.
IMPORTANT
Byte Order can not be changed using RSLogix 5000 software.
RSLogix 5000 uses the default Byte Swap setting.
1794-IF8IH HART Current Ratio
HART Current
Ratio Limit
Decimal
Value
Bits
15 14 13 12 11
76543
- Analog Modules 1
- Important User Information 2
- Summary of Changes 3
- Related Documentation 5
- Table of Contents 7
- 1794-IF8IH and 1794-OF8IH 8
- Table of Contents iii 9
- Table of Contents v 11
- What FLEX I/O Analog 13
- Modules Do 13
- Communicate with 14
- Programmable Controllers 14
- Physical Features of 15
- Your Module 15
- Use Alarms on the Input 15
- Overrange Alarm 16
- Underrange Alarm 16
- Remote Fault Alarm 16
- Local Fault Alarm 17
- Use the HART Capabilities 18
- HART Implementation 18
- Features 19
- Select Your Analog Input 20
- Module Operating Features 20
- Data Format 21
- Select Your Analog Output 22
- Latch Mode 23
- Global Reset 23
- Diagnostic Data error 11 24
- = data out of range 24
- Understand Image Table 25
- Mapping and Bit/Word 25
- Descriptions 25
- ATTENTION 27
- Install the Module 28
- Mount on a Panel or Wall 30
- Description Description 31
- IMPORTANT 32
- Label here 33
- Wire the Terminal Base 34
- Connect Wiring to the FLEX 34
- I/O HART Analog Modules 34
- Terminal Base Unit 35
- Ground the Module 36
- Use Programming Software 37
- About the ControlNet and 38
- EtherNet Adapters 38
- Communication Over the 38
- FLEX I/O Backplane 38
- Scheduled Data Transfer 39
- Unscheduled Data Transfer 39
- Module I/O Mapping 39
- I/O Structure 40
- Fault State Data 40
- Device Actions 40
- Data Transfer Types 43
- Configuration Parameters 44
- Byte Order (2 of 2 bits) 47
- Examples 49
- Fault Mode (8 of 1 bit) 50
- Low Alarm Limit (8 of 16 bit) 54
- Real Time Data (RTD) 57
- Profile, Primary Input 57
- Parameters 57
- Profile, Primary Status 58
- High Alarm (8 of 1 bit each) 60
- Low Alarm (8 of 1 bit each) 60
- Loop Alarm (8 of 1 bit each) 61
- HART Status Fields 63
- Secondary Input Data 64
- Table, Cyclic EDT Input 64
- HART PV Status (8 of 8 bits): 67
- Bit 5 Reserved 68
- Bit 6 Reserved 68
- Bit 7 Reserved 68
- HART PV Status 68
- Interpret the Status 69
- Indicators 69
- Module Configuration for 69
- Little Endian Byte Order 75
- Word Swap BYTE ORDER 75
- Profile, Status Parameters 82
- Fault Alarm (8 of 1 bit each) 83
- Diagnostic Data (1 of 8 bits) 83
- Profile, Output Parameters 85
- Global Reset (1 of 1 bit) 86
- Status Indicators 87
- Configure Module Messaging 89
- HART Configuration Quick 90
- Field Value Definition 100
- HART Failed Reason Code 104
- Chapter Summary 106
- Troubleshoot Your Module 107
- FLEX I/O HART Module Commands 109
- Commands 110
- Universal Commands 110
- Common Practice 110
- Device-specific Commands 111
- Appendix 113
- Overview 113
- Message Structure 113
- Burst Mode (not supported) 114
- Start Character 115
- HART Address 115
- HART Command 115
- Byte Count 116
- Check Byte 116
- Response Code 116
- Communication 127
- HART Frame Enhancements 130
- Background Information 131
- Configuration 132
- HART Disable 133
- Channel Data Format 133
- Channel Data Formats 134
- Digital Filters 135
- High Alarm Limit 138
- Low Alarm Limit 138
- Remote High High Alarm Limit 138
- Input Map 139
- High Alarm 140
- Low Alarm 140
- Out of Range 141
- Second Alarm 141
- Diagnostic Status 141
- HART Fault 142
- HART Current Fault 142
- HART Transmitter Present 143
- Local Fault Mode 147
- Digital Mode 152
- Digital Fault Mode 153
- Analog Fault Value 153
- HART Command 3 Disable 153
- Digital Data 154
- Fault Reset 154
- Analog Data 154
- 152 Index 160
- How Are We Doing? 161
- BUSINESS REPLY MAIL 162
- Rockwell Automation 164
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