CONTROL DEVICE MONITORING SYSTEM AND MONITORING METHOD FOR CONTROL DEVICE

The present invention is a PLC monitoring system (10) which monitors the operational state of a plurality of PLCs (1) which control an object to be controlled (5) in order to monitor the operational state of the PLCs (1), wherein the system is characterized in that a PLC (1b), from a PLC (1a) other...

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Bibliographic Details
Main Authors SHIMIZU KATSUHITO, MASHIKO NAOYA, TERAE HISASHI
Format Patent
LanguageEnglish
French
Japanese
Published 18.07.2013
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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