Title:
CONTROL SYSTEM, CONTROL METHOD, AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/184036
Kind Code:
A1
Abstract:
Provided is a technique for enhancing security while ensuring user convenience regarding access to data on a removable storage medium. A control system (1) comprises: a PLC (100) that is included among a plurality of devices and that removably accepts a memory card (300) for storing data; and one or a plurality of units (200) included among the plurality of devices. Members of the plurality of devices and the memory card (300) each hold a list containing relevant information relating to the members, and check relevant information about other members acquired from said other members, against relevant information of the other members contained in the list which is held in a storage area. The PLC (100) enables access to the data stored on the memory card (300) if a checking result, by a checking means, of another member other than the PLC (100) has satisfied a predetermined condition.
Inventors:
KAWAI KO (JP)
Application Number:
PCT/JP2020/005276
Publication Date:
September 17, 2020
Filing Date:
February 12, 2020
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
G05B19/05
Foreign References:
| JP2004005389A | 2004-01-08 | |||
| JP2006106998A | 2006-04-20 | |||
| JP2002099344A | 2002-04-05 | |||
| JP2011215814A | 2011-10-27 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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