Title:
CONTROL SYSTEM AND CONTROL METHOD
Document Type and Number:
Japanese Patent JP2019016933
Kind Code:
A
Abstract:
To prevent control of slave devices from stopping even when communication failure related to communication cables occurs.SOLUTION: A control system comprises a controller 11, a controller 12 that is a loopback communication device, a first communication route, and a second communication route. The controller 11 creates and transmits a frame for control for slave devices 21, 22, 23. The controller 12 communicates the frame for control by return. On the first communication route, the plurality of slave devices 21, 22, 23 are connected between the controller 11 and controller 12 with the use of communication cables 31, 32, 33, 34. On the second communication route, the controller 11 and controller 12 are connected through a communication cable 35.SELECTED DRAWING: Figure 23
Inventors:
SAWADA SHIGENORI
Application Number:
JP2017133764A
Publication Date:
January 31, 2019
Filing Date:
July 07, 2017
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO
International Classes:
H04L12/437; G05B9/03
Domestic Patent References:
| JP2010510741A | 2010-04-02 | |||
| JP2011004149A | 2011-01-06 |
Attorney, Agent or Firm:
Kaede International Patent Office