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13 DATABASE FUNCTION
13.3 CPU Module Database Access (from External Device) Function
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User-created application
The following describes a sample program for accessing the database of the CPU module with the SQL command using the
ODBC class of Microsoft .NET Framework.
■
Overview of the sample program
This sample program performs the condition search in the database of the CPU module using the value of the Judge field as
its key, and displays the acquired search result in a list and graph (scatter plot).
(1)Specify the database source name to be connected.
(2)Specify the Judge field value to be searched.
(3)Click the [Search] button to search the record with the same value as the one specified by "JudgeValue" in the database specified by "DataSource".
(4)The acquired record is displayed in the list.
(5)The X value and Y value of the acquired record are displayed in a graph (scatter plot).
Ethernet
(4)
(2)
(1)
(3)
(5)
Содержание MELSEC iQ-R-R00CPU
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Страница 151: ...9 MONITOR FUNCTION 9 1 Real Time Monitor Function 149 9 MEMO ...
Страница 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
Страница 330: ...328 20 ROUTING SETTING 20 3 Precautions MEMO ...
Страница 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
Страница 524: ...522 30 MAINTENANCE AND INSPECTION FOR A REDUNDANT SYSTEM 30 1 Module Replacement in the Redundant System MEMO ...
Страница 1009: ...APPX Appendix 14 List of Available SQL Commands for CPU Module Database Access Function 1007 A MEMO ...
Страница 1014: ...1012 APPX Appendix 15 Added and Enhanced Functions MEMO ...
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