Title:
PROGRAMMABLE CONTROLLER SYSTEM, CONTROLLER THEREOF, SUPPORT DEVICE, HCI DEVICE, AND DUPLEX CONTROLLER SYSTEM
Document Type and Number:
Japanese Patent JP2017142794
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To forcedly rewrite a value of an arbitrary memory area of a controller during a system operation, and to stably continue the system operation.SOLUTION: A support device 80 includes a compilation part 81 for compiling a source code of an arbitrary program, and for converting it into a machine word object. A controller 90 comprises: a program execution part 91 for executing the machine word object; and a forced set address storage part 92 for registering a memory address in which a forced set value is written. The program execution part 91 is configured to, when executing a predetermined instruction in the machine word object, not execute access to an access destination address based on the predetermined instruction when the access destination address is registered in the forced set address storage part 92.SELECTED DRAWING: Figure 12
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Inventors:
YOSHIHARA DAISUKE
TAKAHASHI MAKIKO
TAKAHASHI MAKIKO
Application Number:
JP2017019048A
Publication Date:
August 17, 2017
Filing Date:
February 03, 2017
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
G05B19/05
Domestic Patent References:
| JPH06242819A | 1994-09-02 |
Foreign References:
| US20110022785A1 | 2011-01-27 |
Attorney, Agent or Firm:
Yoshiyuki Osuga