PROGRAMMABLE CONTROLLER

PROBLEM TO BE SOLVED: To hold a user program for a long period in a power-off state and to make the execution speed fast. SOLUTION: A source program and held variables are stored in a low-speed RAM which is backed up by a battery and an object program and unheld variables are stored in a high-speed...

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Bibliographic Details
Main Author OTANI SHUJI
Format Patent
LanguageEnglish
Published 18.01.2002
Edition7
Subjects
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