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programmable display

A technology of display and program, applied in the direction of instruments, electrical digital data processing, etc., to achieve the effect of high reliability

Active Publication Date: 2016-06-08
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a technology that other devices function as a backup in the event of a failure, and there is no purpose of restoration

Method used

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Examples

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Embodiment approach

[0040] figure 1 It is a figure which shows an example of the system using the programmable display which concerns on embodiment of this invention. Here, the programmable display 100 1 to 100 n All are the programmable displays which concern on embodiment of this invention. Therefore, in the following description, the programmable display 100 1 The action is centered on the description, but other programmable displays 100 2 to 100 n Also perform the same action.

[0041] Programmable Display 100 1 to 100 n They are connected to each other via the network 400 . Programmable Display 100 1 and a control device 200 for controlling various instruments 1 , control device 200 2 connection, the control unit 200 will be 1 and control device 200 2 The current data saved in the computer is read out and displayed on the screen, or by operating the switches arranged on the screen, the connected control device 200 1 、200 2 Execute writing of data. Control device 200 1 、200 ...

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Abstract

PROBLEM TO BE SOLVED: To obtain a programmable display capable of mutually backing up data with another programmable display with high reliability.SOLUTION: The programmable display has a backup data acquisition part 1524 for acquiring own machine backup data to another programmable display cumulatively stored in a storage device of the another programmable display, and mutual backup data for the another programmable display, a backup data update processing part 1525 for additionally recording data acquired from the another programmable display by the backup data acquisition part 1524 in a medium 12 for external storage, and a backup data update notification part 1523 for notifying the another programmable display that own machine backup data is updated, and transmitting the updated own machine backup data in response to a request from the another programmable display.

Description

technical field [0001] The present invention relates to a programmable display that mutually holds backup information for backing up / restoring (restoring) setting information with other programmable displays on the network. Background technique [0002] Patent Document 1 discloses a technology in which, in the programmable logic controller of the production / assembly system, in order to restore the current state when a problem occurs, a plurality of programmable logic controllers mutually compare the current state The respective programs are backed up. [0003] In the programmable logic controller of the production / assembly system, there is disclosed a mechanism for saving its own backup program in adjacent programmable logic controllers connected on a network. By this mechanism, a backup-capable system can be constructed at low cost. [0004] Patent Document 2 relates to an entry and exit management device that can easily grasp the status of other devices by storing histor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/10
Inventor 金田悟小荒健吾
Owner MITSUBISHI ELECTRIC CORP