Omron NX701-1620 - Db_Getconnectionstatus (Get DB Connection Status

Appendix A
A-65
A
NJ/NX-series Database Connection CPU Units User’s Manual (W527)
DB_GetConnectionStatus (Get DB Connection Status)
DB_GetConnectionStatus (Get DB Connection
Status)
The DB_GetConnectionStatus instruction gets the status of a DB Connection.
Instruction
Name
FB/FUN
Graphic expression
ST expression
DB_GetConnection
Status
Get DB
Connection
Status
FB
DB_GetConnectionStatus_i
nstance (Execute,
DBConnectionName,
Done, Busy, Error, ErrorID,
ConnectionStatus);
Note The DB_GetConnectionStatus_instance is an instance of DB_GetConnectionStatus instruction, which is declared as a
variable.
Variables
Input Variables
Name
Meaning
Data type
Valid range
Unit
Default
Description
Execute Execute BOOL TRUE or FALSE --- FALSE Specify the execution
condition.
DBConnectionName DB
Connection
Name
STRING 17 bytes max. (including
the final NULL character)
--- ‘’ Specify a DB Connection
name set on Sysmac
Studio.
Output Variables
Name
Meaning
Data type
Valid range
Unit
Description
Done Done BOOL TRUE or
FALSE
--- TRUE when the instruction is normally
completed.
Busy Executing BOOL TRUE or
FALSE
--- TRUE when the instruction is being
executed.
Error Error BOOL TRUE or
FALSE
--- TRUE when the instruction is terminated
due to an error.
ErrorID Error Code WORD 16#0000 to
16#FFFF
--- Contains the error code when an error
occurs.
ConnectionStatus Connection
Status
_sDBC_CONNECTION
_STATUS
Depends on
the data type
Shows the status of the connection
specified in the DBConnectionName input
variable.
Busy
Done
Error
ErrorID
DB_GetConnectionStatus
DBConnectionName
Execute
ConnectionStatus
DB_GetConnectionStatus_instance
DB Connection Instructions