Programming The Db Connection Function - Omron NX701-1620 User Manual

Programming the DB Connection Function

This section describes programming procedure from variable creation to DB access
after making the DB Connection settings.
3-1 DB Access Procedure ................................................................................... 3-2
3-2 Creating a Structure Data Type .................................................................... 3-3
3-3 Creating a DB Map Variable ....................................................................... 3-15
3-4 Specifying the Table and Applying the Mapping ......................................... 3-18
3-5 Programming and Transfer ......................................................................... 3-22
3-6 Debugging in Design, Startup, and Operation Phases ............................... 3-27
NJ/NX-series Database Connection CPU Units User's Manual (W527)
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
3-3-1 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
3-4-1 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
3-5-1 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
3-6-1 Design Phase ................................................................................ 3-27
3-6-2 Startup Phase ................................................................................ 3-27
3-6-3 Operation Phase ............................................................................ 3-27
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