Appendix A
A-60
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
DB_GetServiceStatus (Get DB Connection Service
Status)
The DB_GetServiceStatus instruction gets the current status of the DB Connection Service.
DB_GetService
Status
Get DB
Connection
Service Status
FB
DB_GetServiceStatus_instance
(Execute, Done, Busy, Error,
ErrorID, ServiceStatus);
Note The DB_GetServiceStatus_instance is an instance of DB_GetServiceStatus instruction, which is declared as a variable.
Variables
Input Variables
Execute Execute BOOL TRUE or FALSE --- FALSE Specify the execution
--- TRUE when the instruction is normally
Busy Executing BOOL TRUE or
--- TRUE when the instruction is being
--- TRUE when the instruction is terminated
ErrorID Error Code WORD 16#0000 to
--- Contains the error code when an error
ServiceStatus DB Connection
_sDBC_SERVICE_STATUS Depends on
Shows the status of the DB Connection
Busy
Execute
Done
Error
ErrorID
ServiceStatus
DB_GetServiceStatus_instance