Rockwell-automation 1797-OE8 FLEX Ex Analog Modules User Manual Manual de usuario Pagina 51
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Publication 1797-6.5.1 - May 2005
Input, Output, and Configuration Files for the Analog I/O Modules on the ControlNet Network 4-3
Communication Over the
FLEX Ex Backplane
One 1797-ACNR15/B ControlNet Ex adapter can interface up to eight
terminal base units with installed FLEX Ex modules, forming a FLEX Ex
system of up to eight slots.
The adapter communicates to other network system components (typically
one or more controllers or scanners, and/or programming terminals) over the
ControlNet network. The adapter communicates with its I/O modules over
the FLEX Ex backplane.
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 non-discrete I/O data transfers–through ControlNet I/O
Transfer (CIO) instructions
• peer-to-peer messaging–through message (MSG) instructions
• messaging from programming devices
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
Networ
ControlNet Ex
Adapter
Read
Write
41626
- FLEX Ex Analog 1
- Important User Information 2
- Summary of Changes 3
- Summary of Changes ii 4
- Table of Contents 5
- Chapter 3 6
- How to Install Your FLEX Ex 6
- Analog Modules 6
- iii 7
- iv 8
- ™ analog modules with the 9
- For Additional Information 10
- What this Chapter Contains 11
- What the FLEX Ex Analog 11
- I/O Modules Do 11
- How FLEX Ex Analog 12
- Modules Communicate 12
- Controllers 12
- Physical Features of Your 13
- Analog I/O Module 13
- Using Alarms on the 13
- 1797-IE8 and -IE8NF 13
- Data Format Alarm Example 14
- Overrange Alarm 14
- Underrange Alarm 14
- Remote Fault Alarm 15
- Chapter Summary 16
- Analog Module Features 17
- Selecting a 1797-IE8 or 18
- -IE8NF FLEX Ex Analog 18
- Input Module’s Operating 18
- Features 18
- High Low Error Level 19
- Input Filter Cutoff 19
- Data Format 20
- Data Formats and Error Ranges 22
- Selecting a 1797-OE8 FLEX 23
- Ex Analog Output Module’s 23
- Operating Features 23
- Latch Retry Mode 24
- Global Reset 24
- Analog Digital State 24
- Analog Fault State 25
- Digital Fault State 25
- Diagnostic Data error 26
- 11=data out of range 26
- Fault Alarm 28
- Understanding Image Table 29
- Mapping and Bit/Word 29
- Descriptions 29
- (1797-IE8 and -IE8NF) 31
- Where: ch = channel 32
- Flt Alm = Fault Alarm 32
- Res Flg = Response Flag 32
- (1797-OE8) 33
- Before You Install Your 35
- Analog Module 35
- Compliance to European 36
- Union Directives 36
- Installation in Zone 1 37
- Installation in Zone 22 37
- Electrostatic Charge 37
- Removal and Insertion 38
- Under Power 38
- Installing the Module 38
- Mounting on a DIN Rail 39
- Panel/Wall Mounting 41
- IMPORTANT 42
- Label under here 43
- Wiring the Terminal Base 44
- Connecting Wiring to the 45
- FLEX Ex I/O Analog 45
- ATTENTION 46
- Grounding the Module 48
- ControlNet Network 49
- Using Programming 50
- Software in Your FLEX Ex 50
- Application 50
- About the ControlNet Ex 50
- Communication Over the 51
- FLEX Ex Backplane 51
- I/O Structure 52
- Adapter Status Word 53
- Fault State Data 54
- Device Actions 54
- Communication Fault Behavior 55
- Idle State Behavior 55
- Calibrating Your Module 57
- Tools and Equipment 58
- Using Calibration Module 58
- Command Words 58
- General MODULE Response Word 61
- Calibrating the 62
- Input Modules 62
- Output Modules 64
- Evaluate the Application 67
- Define the Area 68
- Classification 68
- Select Protection 69
- Method(s) 69
- Match Field Devices 69
- Optimize Power 73
- Distribution 73
- Safe Area 74
- Hazardous Area 74
- Troubleshooting the FLEX Ex 77
- Analog I/O Modules 77
- Specifications 81
- Class I Division 1 Hazardous 82
- Specifications A-3 83
- Wiring Methods 84
- A-6 Specifications 86
- 1797- IE8 88
- 7PWR0 1234 56 88
- Shield Connection Only 88
- Specifications A-9 89
- 1797-OE8 Output Module 90
- A-14 Specifications 94
- Specifications A-17 97
- A-18 Specifications 98
- 2 100
- How Are We Doing? 101
- BUSINESS REPLY MAIL 102
- Rockwell Automation 104
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