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NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Section 7 Tag Data Link Functions
7-1 Introduction to Tag Data Links ...............................................................................................7-2
7-1-1 Tag Data Links ............................................................................................................................ 7-2
7-1-2 Data Link Data Areas .................................................................................................................. 7-3
7-1-3 Tag Data Link Functions and Specifications................................................................................7-6
7-1-4 Overview of Operation ................................................................................................................7-7
7-1-5 Starting and Stopping Tag Data Links ......................................................................................... 7-9
7-1-6 Controller Status........................................................................................................................7-10
7-1-7 Concurrency of Tag Data Link Data ..........................................................................................7-13
7-2 Setting Tag Data Links .......................................................................................................... 7-18
7-2-1 Starting the Network Configurator............................................................................................. 7-18
7-2-2 Tag Data Link Setting Procedure .............................................................................................. 7-20
7-2-3 Registering Devices .................................................................................................................. 7-21
7-2-4 Creating Tags and Tag Sets ...................................................................................................... 7-23
7-2-5 Connection Settings..................................................................................................................7-35
7-2-6 Creating Connections Using the Wizard ...................................................................................7-45
7-2-7 Creating Connections by Device Dragging and Dropping......................................................... 7-48
7-2-8 Connecting the Network Configurator to the Network............................................................... 7-51
7-2-9 Downloading Tag Data Link Parameters...................................................................................7-58
7-2-10 Uploading Tag Data Link Parameters .......................................................................................7-61
7-2-11 Verifying the Tag Data Links......................................................................................................7-64
7-2-12 Starting and Stopping Tag Data Links ....................................................................................... 7-68
7-2-13 Clearing the Device Parameters ............................................................................................... 7-70
7-2-14 Saving the Network Configuration File......................................................................................7-72
7-2-15 Reading a Network Configuration File ......................................................................................7-73
7-2-16 Checking Connections .............................................................................................................. 7-75
7-2-17 Changing Devices ..................................................................................................................... 7-76
7-2-18 Displaying Device Status...........................................................................................................7-77
7-3 Ladder Programming for Tag Data Links ............................................................................ 7-78
7-3-1 Ladder Programming for Tag Data Links ..................................................................................7-78
7-3-2 Status Flags Related to Tag Data Links ....................................................................................7-83
7-4 Tag Data Links with Other Models ....................................................................................... 7-84
Section 8 CIP Message Communications
8-1 Overview of the CIP Message Communications Service..................................................... 8-3
8-1-1 Overview of the CIP Message Communications Service............................................................ 8-3
8-1-2 Message Communications Service Specifications...................................................................... 8-3
8-2 CIP Messaging Communications Client Function................................................................ 8-4
8-2-1 Overview .....................................................................................................................................8-4
8-2-2 CIP Communications Instructions............................................................................................... 8-5
8-2-3 Using CIP Communications Instructions.....................................................................................8-6
8-2-4 Route Path .................................................................................................................................. 8-7
8-2-5 Request Path (IOI) .................................................................................................................... 8-17
8-2-6 Service Data and Response Data.............................................................................................8-21
8-2-7 Sample Programming for CIP Connectionless (UCMM) Message Communications................ 8-22
8-2-8 Sample Programming for CIP Connection (Class 3) Message Communications ..................... 8-27
8-2-9 Operation Timing....................................................................................................................... 8-34
8-2-10 Response Codes....................................................................................................................... 8-35
8-3 CIP Communication Server Functions ................................................................................ 8-39
8-3-1 CIP Message Structure for Accessing CIP Objects ..................................................................8-40
8-3-2 CIP Message Structure for Accessing Variables....................................................................... 8-40
8-4 Specifying Request Path....................................................................................................... 8-41
8-4-1 Examples of CIP Object Specifications.....................................................................................8-41
8-4-2 Examples of Variable Specifications .........................................................................................8-41
8-4-3 Logical Segment .......................................................................................................................8-42
8-4-4 Data Segment ...........................................................................................................................8-43
8-4-5 Specifying Variable Names in Request Paths........................................................................... 8-44
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