Definitions And Descriptions Of Terms - Mitsubishi Electric Melsec Q Series User Manual

DEFINITIONS AND DESCRIPTIONS OF TERMS

Term
CSV
DB buffering
HTTP
®
Tag for Wonderware
Historian
MES
ODBC
SNTP
SNTP server computer
SQL
URL
URL encode
XML
Item
Account
Action
System switching
COMMIT
CompactFlash card
(CF card)
The following table shows the definitions and descriptions of the terms used in this
manual.
Abbreviation for Comma Separated Values
Text file in which the data are aligned and set off by commas and double quotations
Function temporarily stores SQL text that failed to be sent due to a communication error and
resends the text when the communications have been recovered
Abbreviation for Hyper Text Transfer Protocol
Protocol to exchange XML format messages between the MES interface module and user
applications in the XML processing function
Name for data unit in the data base Wonderware
Abbreviation for Manufacturing Execution Systems
Systems for controlling and monitoring the plant status in real time to optimize production
activities
The systems enable to speed up the responses to production plan and status changes that lead
to efficient production processes and optimization of production activities.
Abbreviation for Open DataBase Connectivity
Standard specifications for software to access databases
Abbreviation for Simple Network Time Protocol
Protocol for synchronizing computer time via a TCP/IP network
Computer that provides time information to the MES interface module
This computer can be shared with a server computer.
Abbreviation for Structured Query Language
Data manipulation language and used for relational database operations
Abbreviation for Uniform Resource Locator
Notation method for indicating the locations of information resources on the Internet
Converts character strings into characters can be used in URLs.
This designates percent encoding defined by RFC3986.
Abbreviation for eXtensible Markup Language
Markup language for describing documentation, data meanings, and structures
One setting group unit included each setting type for editing
Designates the right to use the MES interface module or server computer, or an ID necessary for
their use.
Unit for processing defined in a job
There are [Communication action] for communicating with a database and [Operation action] for
operating tag component values.
[Communication action] is a processing unit for sending one SQL text (Select, Update, Insert,
MultiSelect, or Delete) or one stored procedure execution request.
[Operation action] is a processing unit of up to 20 dyadic operations.
Function for the Redundant CPU to switch between control system and standby system of the
redundant system. (Switching from control system to standby system, and vice versa.)
Processing for finalizing the changes to a database
Storage card regulated by the [CF+ and CompactFlash Specification] issued by the Compact
Flash Association
This memory card is necessary for the MES interface module to operate the MES interface
function.
Description
®
Historian.
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