Title:
CONTROL DEVICE AND EDITING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/216083
Kind Code:
A1
Abstract:
A control device (1) is characterized by being provided with: a first storage unit (11) which stores a control program including information about steps and transitions; a second storage unit (15); an execution unit (12) which executes the control program stored in the first storage unit (11) and thereby controls a controlled device (2); a communication unit (13) which, during the execution of the control program stored in the first storage unit (11), receives both a run-time rewrite instruction, which is an instruction to rewrite the control program, and difference information indicating a portion of the control program that is to be changed; and a rewrite control unit (14) which, whenever a run-time rewrite instruction and difference information are received, causes the second storage unit (15) to store backup information that includes the control program currently stored in the first storage unit (11), the difference information, and activity information indicating an ongoing step in the control program, and rewrites the control program on the basis of the difference information, wherein the rewrite control unit (14) causes the second storage unit (15) to store a plurality of sets of such backup information, as well as order information indicating the order of these sets of backup information.
Inventors:
NAGATOMO YOSHIHIRO (JP)
NAKAMURA KENTA (JP)
NAKAMURA KENTA (JP)
Application Number:
PCT/JP2017/019075
Publication Date:
November 29, 2018
Filing Date:
May 22, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G05B19/05
Foreign References:
| JP2006330867A | 2006-12-07 | |||
| JPH0764614A | 1995-03-10 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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