Mitsubishi Electric Melsec Q Series User Manual page 58

2
SYSTEM CONFIGURATION
(2) Microsoft
(3) Wonderware
2
- 25 2.6 Precautions for System Configuration
2.6.4 Precautions for using database
(c) When MX MESInterface whose software version is "1.16S" or earlier is installed,
use SQL Server with any of the following condition:
• The owner of the database file created with SQL Server is an SQL Server
authenticated user.
• The server administrator authentication (sysadmin) is not added to the server
role of the user whose field information is to be referenced.
However, this restriction is not applicable when MX MESInterface whose software
version is "1.17T" or later is installed.
® ®
Access
(a) Using in the following environments is not recommended.
• Where under overload
• Where high reliability, such as non-stop operation for 24 hours, is required
For details, refer to the website of Microsoft.
blogs.technet.microsoft.com/officesupportjp/2017/02/08/ace_memory
(b) The number of fields to be updated (UPDATE) by the one [Communication action]
is up to 127.
(c) Do not make multiple accesses to one and the same file.
(Do not make access from multiple MES interface modules.)
(d) There are some restrictions for the data type which can be assigned to tag
component, constant value, and variable with MES Interface Function
Configuration Tool.
Section 7.11.1 (1) About tag components
Section 7.11.1 (2) About constants
Section 7.11.1 (3) About variables
®
Historian
(a) The insertion (INSERT) only can be used with [Communication action].
(b) The rollback of insertion (INSERT) to the database is disabled.