Title:
CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/176286
Kind Code:
A1
Abstract:
Provided is a control device comprising a communication management part, a computation part, and a result output part. The communication management part is for managing a data communication using a cyclic communication conforming to a prescribed communication cycle with respect to a field network. The computation part is for measuring a propagation delay time from received data corresponding to actual measurement data for a propagation delay having been transmitted to the field network, and detecting an operation state of the field network using the propagation delay time measurement result. The result output part is for outputting the result of the detection performed by the computation part.
Inventors:
YAMAWAKI YASUSHI (JP)
SAWADA SHIGENORI (JP)
BABA KOJIRO (JP)
SAWADA SHIGENORI (JP)
BABA KOJIRO (JP)
Application Number:
PCT/JP2019/001744
Publication Date:
September 19, 2019
Filing Date:
January 22, 2019
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
G05B19/05; H04L12/28; H04L69/40
Foreign References:
| JP2017117267A | 2017-06-29 | |||
| JPH10133966A | 1998-05-22 | |||
| JP2012060207A | 2012-03-22 | |||
| JP2014146070A | 2014-08-14 | |||
| JP2014146070A | 2014-08-14 |
Other References:
See also references of EP 3767407A4
Attorney, Agent or Firm:
KAEDE PATENT ATTORNEYS' OFFICE (JP)
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