Starting the Service Automatically when Operating Mode of the CPU Unit is
Changed to RUN Mode
Double-click DB Connection Service Settings under Configurations and Setup - Host
Connection Settings - DB Connection in the Multiview Explorer. Then, set Service start in Run
mode to Auto start (Operation Mode) or Auto start (Test Mode) in the Service Settings. (Default:
Auto start (Operation Mode))
When the operating mode of the CPU Unit is changed from PROGRAM mode to RUN mode, the
DB Connection Service is automatically started.
Precautions for Correct Use
Even if you set Auto Start for the DB Connection Service, you cannot execute the DB
Connection Instructions until the startup processing of the DB Connection Service is
completed. An Instruction Execution Error will occur.
Therefore, write the user program so that the DB Connection Instructions are executed
after confirming the status of the DB Connection Service is Running with the
_DBC_Status.Run system-defined variable (Running flag of the DB Connection Service
Status).
User program example:
IF _DBC_Status.Run = FALSE THEN
RETURN; (* Abort the processing because the DB Connection Service is not running *)
END_IF;
(* Execution of DB Connection Instructions *)
(Omitted after this)
Starting/Stopping the Service by Online Operation from Sysmac Studio
1. 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 while online with an NJ/NX-series CPU Unit.
The following Online Settings Tab Page is displayed.
To Next Page
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