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Patent Searching and Data


Title:
SLAVE, WORK MACHINE, AND LOG INFORMATION STORAGE METHOD
Document Type and Number:
WIPO Patent Application WO/2019/186635
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a slave, a work machine, and a log information storage method with which it is possible to suitably store log information when a communication error occurs that prevents continuous communication between a master and a slave in an industrial network. According to the present invention, a control unit performs: a first storage process for storing log information in a volatile storage unit when a communication error occurs that prevents continuous communication with a master; a communication error determination process for determining whether or not a communication error has occurred; and a second storage process for retrieving log information from the volatile storage unit and storing the log information in a non-volatile storage unit if it is determined from the result of the communication error determination process that a communication error has occurred.

Inventors:
WATANABE KENJI (JP)
SATO TAKESHI (JP)
NAGASAKA NOBUO (JP)
Application Number:
JP2018/012086
Publication Date:
October 03, 2019
Filing Date:
March 26, 2018
Export Citation:
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Assignee:
FUJI CORP (JP)
International Classes:
G06F13/00; H04L12/28
Foreign References:
JP2017151936A2017-08-31
JP2006113671A2006-04-27
JP2011197952A2011-10-06
Attorney, Agent or Firm:
NEXT INTERNATIONAL et al. (JP)
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