CONTENTS
7
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
1-2-2 DB Connection System.................................................................... 1-7
1-3
Operation Flow of the DB Connection Service
................................................ 1-9
2 DB Connection Settings .................................................................................. 2-1
2-1 Starting Sysmac Studio and Creating a New Project ..................................... 2-2
2-1-1 Starting Sysmac Studio ................................................................... 2-2
2-1-2 Creating a New Project .................................................................... 2-2
2-1-3 Setting the Built-in EtherNet/IP Port ................................................ 2-4
2-1-4 Controller Setup ............................................................................... 2-4
2-2 DB Connection Settings ................................................................................. 2-5
2-2-1 DB Connection Service Settings ..................................................... 2-5
2-2-2 DB Connection Settings .................................................................. 2-8
3 Programming the DB Connection Function .................................................... 3-1
3-1 DB Access Procedure ................................................................................... 3-2
3-2 Creating a Structure Data Type ..................................................................... 3-3
3-2-1 Overview .......................................................................................... 3-3
3-2-2 Specifications of Structure Data Type for DB Access ..................... 3-3
3-2-3 How to Create a Structure Data Type for DB Access ................... 3-12
3-3 Creating a DB Map Variable ........................................................................ 3-15
3-3-1 DB Map Variables and DB Mapping .............................................. 3-15
3-3-2 Registration and Attributes of DB Map Variables .......................... 3-16
3-3-3 Restrictions on DB Map Variables ................................................. 3-17
3-4 Specifying the Table and Applying the Mapping .......................................... 3-18
3-4-1 DB Mapping by Executing a Create DB Map Instruction ............... 3-18
3-4-2 Clearing the Mapping of DB Map Variables .................................. 3-18
3-4-3 Restrictions on DB Mapping .......................................................... 3-19
3-5 Programming and Transfer .......................................................................... 3-22
3-5-1 Programming the DB Connection Service ..................................... 3-22
3-5-2 Displaying DB Connection Instructions on Sysmac Studio ........... 3-23
3-5-3 DB Connection Instruction Set ...................................................... 3-24
3-5-4 System-defined Variables .............................................................. 3-25
3-5-5 Simulation Debugging of DB Connection Instructions ................... 3-26
3-5-6 Transferring the DB Connection Settings and User Program ....... 3-26
3-6 Debugging in Design, Startup, and Operation Phases ................................ 3-27
3-6-1 Design Phase ................................................................................ 3-27
3-6-2 Startup Phase ................................................................................ 3-27
3-6-3 Operation Phase ............................................................................ 3-27
4 Basic Operations and Status Check ............................................................... 4-1
4-1 Run Mode of DB Connection Service and Start/Stop Procedures ................. 4-2
4-1-1 Run Mode of the DB Connection Service ........................................ 4-2
4-1-2 How to Start/Stop the DB Connection Service ................................ 4-2
4-1-3 DB Connection Service is Stopped or Cannot be Started ............... 4-4
4-1-4 Changing the Run Mode of the DB Connection Service ................. 4-5
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