Mitsubishi Electric Melsec Q Series User Manual page 308

8
DB CONNECTION SERVICE AND SETTING TOOL
(1) ODBC connection function
8
- 2 8.1 DB Connection Service Functions
The ODBC connection function connects the MES interface module and the ODBC
interface for database.
The following shows operation on the database server computer.
MES interface function
1 Receives SQL text or stored procedure execution request from the MES interface
function on the MES interface module.
2 Accesses the database via ODBC interface and executes the SQL text or stored
procedure.
3 Sends the execution results to the MES interface module.
Database
ODBC
DB Connection Service
When an
access
is made
Access
log
Figure 8.1 ODBC connection function
Database server
computer
When SQL
text execution
is failed
SQL
failure
log