Mitsubishi Electric MELSEC iQ-R Series User Manual page 45

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. (Page 43 Confirmed operating system list for the
operation)
Precautions
It takes longer for an MES interface module to start than when selecting "Connection via Service." When selecting "Direct DB
Connection" for "Access Type," run the system by fully verifying the processing time.
Confirmed operating system list for the operation
The following table shows the combinations of databases and Linux the operations of which are confirmed to access them via
direct DB connection.
: Confirmed, : Unconfirmed
OS Oracle
11g

Ubuntu 16.04 LTS

Ubuntu 20.04 LTS

Oracle Linux 7

Oracle Linux 8
Red Hat Enterprise Linux 
7

Red Hat Enterprise Linux
8
SUSE Linux Enterprise 
Server 12
SQL Server
18c 19c 21c 2012
   
   
   
   
   
   
   
MySQL
2017 2019 2022 5.7.25 8.0.31 9.6.12 10.7
   
   
   
   
   
   
   
2.3 Access Specifications for a Database
PostgreSQL
14.2
   
   
   
   
   
   
   
2 SPECIFICATIONS
2
Maria
DB
10.6.5







43