PROGRAM CHANGE METHOD, PROGRAMMABLE CONTROLLER AND PROGRAM EDITING DEVICE

PROBLEM TO BE SOLVED: To provide a program change method that reduces the amount of information written to a programmable controller in changing a program. SOLUTION: The program change method of a sequence program for the programmable controller having a sequence program with a plurality of identica...

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Bibliographic Details
Main Author ITABA YUSUKE
Format Patent
LanguageEnglish
Published 02.02.2006
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:PROBLEM TO BE SOLVED: To provide a program change method that reduces the amount of information written to a programmable controller in changing a program. SOLUTION: The program change method of a sequence program for the programmable controller having a sequence program with a plurality of identical functional block circuits includes a step of sending program change information 50 for changing the sequence program from an external device connected to the programmable controller, a step of storing the program change information 50 in the programmable controller, and a step of changing the sequence program of the programmable controller according to the stored program change information 50. The program change information 50 has circuit change information 51 about functional block circuits to be changed, and a plurality of leading addresses storing the functional block circuits to be changed in the sequence program. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040210348