Rockwell-automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Manual de usuario Pagina 39
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Publication 1794-UM065B-EN-E - September 2010
Input, Output and Configuration of the FLEX I/O HART Analog I/O Modules 27
Configuration data is not continuously updated to the module.
Scheduled Data Transfer
Scheduled data transfer:
• is continuous.
• is asynchronous to the controller program scan.
• occurs at the actual rate displayed in the Actual Packet Interval field on
the programming software ControlNet I/O mapping (monitor) screen.
Unscheduled Data Transfer
Unscheduled operations include:
• unscheduled nondiscrete I/O data transfers – through ControlNet I/O
Transfer (CIO) instructions.
• peer-to-peer messaging–through message (MSG) instructions.
• messaging from programming devices.
Unscheduled messaging on a network is nondeterministic. Your application
and your configuration (for example, number of nodes, application program,
NUT, and amount of scheduled bandwidth used), determine how much time
there is for unscheduled messaging.
Module I/O Mapping
The I/O map for a module is divided into read words and write words. Read
words consist of input and status words, and write words consist of output and
I/O Module I/O ModuleI/O Module
Configuration Configuration Configuration
Inputs Inputs Inputs
Status
Outputs
StatusStatus
OutputsOutputs
Read
Words
Write
Words
0
X
Slot 0 Slot 1 Slot 7
Network
Network
Adapter
Read
Write
- 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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