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1 Introduction to the DB Connection Service

1-11

NJ/NX-series Database Connection CPU Units User’s Manual (W527)

1-3 Operation Flow of the

DB Connection Service

STEP 7 Transferring a Project to the CPU Unit

Refer to 3-5

Programming and

Transfer.

STEP 8 Starting the DB Connection Service

Refer to 4 Basic

Operations and Status

Check.

Use any of the following methods to start the DB Connection Service.



Automatically start the service when the operating mode of the CPU Unit is changed from

PROGRAM mode to RUN mode.

 Right-click DB Connection Service Settings under Configurations and Setup - Host

Connection Settings - DB Connection in the Multiview Explorer and select Online

Settings from the menu. Then, click the Start (Test Mode) or Start (Operation Mode)

Button.

 Execute a DB_ControlService (Control DB Connection Service) instruction.

Specify the following Run mode when starting the DB Connection Service.

 When the specified DB does not exist in the server or when the DB exists but not connected:

Specify the Test Mode.



When the specified DB is connected: Specify the Operation Mode.

STEP 9 Executing DB Connection Instructions

Refer to 3-5-2 DB

Connection Instruction

Set and Appendix DB

Connection

Instructions.

Confirm that the operation status of the DB Connection Service is Running with the

_DBC_Status.Run system-defined variable (Running flag of the DB Connection Service) and

then execute the DB Connection Instructions.

STEP 10 Debugging the DB Connection

Instructions

Refer to 3-6 Debugging

in Design, Startup, and

Operation Phases.

Omron NX701-1620 User Manual

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