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Direct DB connection
A database is accessed directly without using DB Connection Service.
(1)
DB
Ethernet
(2)
(1) Database server
(2) MES interface module (RD81MES96N)
The advantages of selecting "Direct DB Connection" for "Access Type" are as follows:
• No need to install DB Connection Service on a database server.
• A database that runs on Linux can be accessed.
The operations have been checked in the following operating systems.
Oracle: Oracle Linux 7, Red Hat Enterprise Linux 7, SUSE Linux Enterprise Server 12
SQL Server, MySQL, and PostgreSQL: Ubuntu 16.04 LTS, Red Hat Enterprise Linux 7, SUSE Linux
Enterprise Server 12
Precautions
A time until an MES interface module starts will be increased compared with when selecting "Connection via Service". When
selecting "Direct DB Connection" for "Access Type", run the system by fully verifying the processing time.
2 SPECIFICATIONS
42
2.3 Access Specifications for a Database
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