Allen-Bradley Rockwell Automation 1734-AENT Manuel d'utilisateur Page 22
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Publication 1734-UM011D-EN-P - May 2011
6 About the Adapter
• You maintain full control over the route taken by each message, which
enables you to select alternative paths for the same end device.
Understand the
Producer/Consumer Model
The CIP producer/consumer networking model replaces the old
source/destination (master/slave) model. The producer/consumer model
reduces network traffic and increases speed of transmission. In traditional I/O
systems, controllers poll input modules to obtain their input status. In the CIP
system, input modules are not polled by a controller. Instead, they produce
(multicast) their data either upon a change of state (COS) or periodically.
The frequency of update depends upon the options chosen during
configuration and where on the network the input module resides. The input
module, therefore, is a producer of input data, and the controller is a consumer
of the data.
The controller can also produce data for other controllers to consume. The
produced and consumed data is accessible by multiple controllers and other
devices over the EtherNet/IP network. This data exchange conforms to the
producer/consumer model.
Specify the Requested
Packet Interval (RPI)
The RPI is the update rate specified for a particular piece of data on the
network. The RPI can be specified for the adapter and include all of the I/O
modules communicating through it (using a rack-optimized connection) or
specified for a particular module (using direct connection).
When you add a module or an adapter to the I/O configuration of a
controller, you must enter the RPI as a parameter. This value specifies how
often to produce the data for that device. For example, if you specify an RPI of
50 ms, it means that every 50 ms the device should send its data to the
controller or the controller should send its data to the device.
Use RPIs only for devices that exchange data. For example, a ControlLogix
EtherNet/IP bridge module in the same chassis as the controller does not
require an RPI, because it is not a data-producing member of the system. Its
use is only as a bridge to remote racks.
- Catalog Number 1734-AENT 1
- User Manual 1
- Important User Information 2
- ATTENTION 3
- How to Use This Manual 4
- System Components 5
- Where to Find More 6
- Information 6
- Terminology 7
- Preface ix 9
- Table of Contents 11
- xiii 13
- Summary of Changes 15
- About the Adapter 17
- Adapter Replacement 18
- About the Adapter 3 19
- Adapter Features 20
- Hardware/Software 21
- Compatibility 21
- What the Adapter Does 21
- Use of the Common 21
- Industrial Protocol (CIP) 21
- Understand the 22
- Producer/Consumer Model 22
- Specify the Requested 22
- Packet Interval (RPI) 22
- Support of Rack-optimized 23
- Before You Begin 24
- Install the Adapter 25
- Mount the Adapter on a DIN 26
- Rail Before Installing 26
- Mount or Replace 27
- Existing System 27
- Wire Your Adapter 28
- Mounting Dimensions 29
- 14 Install the Adapter 30
- What This Chapter Contains 31
- Configuration 32
- Requirements 32
- IP Address 33
- Gateway Address 33
- Subnet Mask 34
- Set the Network Address 35
- Use the Rockwell 36
- BootP/DHCP Utility 36
- Save the Relation List 38
- Use DHCP Software to 39
- Configure Your Adapter 39
- Set Up the Hardware 41
- Create the Example 42
- Application 42
- Configure the I/O 43
- Name Local_ENB 46
- IP Address 10.88.70.4 46
- Revision 3.1 46
- Add the Relay Output Module 49
- The New Module dialog opens 50
- Name POINT_Relay_Output 51
- Add the Digital Output Module 52
- Name POINT_Digital_Output 53
- Edit the Controller Tags 54
- Create the Ladder Program 55
- Download the Program to 55
- Verify the Module Chassis 57
- 8. Click OK to continue 58
- Configure the Adapter with 59
- Fixed IP Address 59
- Recover From an 60
- Overloaded Adapter 60
- Software 61
- Configure the I/O Modules 64
- Revision 1.1 66
- Connection 69
- 5. Choose Connection 70
- Verify the Module 75
- Chassis Size 75
- 3. Select Properties 76
- 4. Click the Connection tab 76
- → Save to save the project 77
- Access Module Data 78
- LED Status Indicators 79
- Adapter Web Pages 83
- Work with the Diagnostics 85
- 70 Adapter Web Pages 86
- Use the Network Settings Page 87
- 72 Adapter Web Pages 88
- Adapter Web Pages 73 89
- Use the I/O Connections Page 90
- Adapter Web Pages 75 91
- Work with the 92
- Configuration Pages 92
- Use the Identity Page 93
- 78 Adapter Web Pages 94
- Adapter Web Pages 79 95
- Work with the Browse 96
- Chassis Page 96
- •Module Revision 99
- • Serial Number 99
- • Status 99
- 84 Adapter Web Pages 100
- Communication Driver 101
- Configure the AB_ETH/IP 102
- Controller Tag Reference 105
- Valid Number Ranges for 106
- RSLogix 5000 Data Types 106
- Digital 2 POINT Input 107
- Digital 4 POINT Input 108
- Digital 2 POINT Output – 109
- Without Diagnostic Status 109
- With Over Load and Open 110
- Load Diagnostic Status 110
- With Over Load Diagnostic 111
- Digital 4 POINT Output – 112
- Analog 2 Channel Input 114
- INT 0 0…7,000 (0.00…70.00) 121
- Analog 2 Channel Output 123
- Specialty I/O 127
- Stored Data 131
- Program Fault 131
- Decimal Position 134
- Gate Interval 134
- Program Fault Note 136
- SSI Word Delay Time 138
- Sensor Resolution 138
- Sensor Cycle 138
- Compare 0,1 Value 138
- Present / Latched Data 139
- Quick Start 145
- Configure the Adapter 146
- Enter Adapter Properties 147
- 134 Quick Start 148
- Configure 1734 POINT I/O 149
- Modules 149
- 136 Quick Start 150
- IMPORTANT 151
- Configure an Ethernet 152
- Driver in RSLinx Software 152
- Quick Start 139 153
- 140 Quick Start 154
- 142 Index 156
- Rockwell Automation Support 158
- Documentation Feedback 158
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