Title:
CONTROL SYSTEM, COMMUNICATION CONTROL METHOD OF CONTROL SYSTEM, AND CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/084771
Kind Code:
A1
Abstract:
According to the present invention, a communication master includes a means that repeats the transmission of first information indicating a counter value of a synchronized counter possessed by the communication master to one or more communication slaves via a network. Each of the one or more communication slaves includes a means that, upon receipt of the first information from the communication master, updates the counter value of a synchronized counter of the communication slave on the basis of the received first information. The communication master includes a means that manages the total number of pieces of first information transmitted to each of the one or more communication slaves and that estimates a synchronization accuracy of each communication slave relative to the communication master on the basis of the number of transmissions of the first information to each communication slave.
Inventors:
UEDA TAKAMASA (JP)
Application Number:
PCT/JP2020/008947
Publication Date:
May 06, 2021
Filing Date:
March 03, 2020
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
H04L7/00; G05B19/05
Foreign References:
| JP2019146060A | 2019-08-29 | |||
| JP2012023654A | 2012-02-02 | |||
| JP2016152488A | 2016-08-22 | |||
| US20130272322A1 | 2013-10-17 | |||
| JP2018060482A | 2018-04-12 |
Other References:
See also references of EP 4054112A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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