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Programmable indicator

A display and control instrument technology, applied in the direction of digital output to display equipment, instrument, program control, etc., can solve the problems of difficult error analysis, error analysis, time-consuming, etc., and achieve the effect of easy error analysis

Active Publication Date: 2015-12-23
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the user needs to perform error analysis while comparing the acquired data on the line with the protocol specification of each control device, which takes a lot of time
In addition, it is very difficult to analyze errors in an environment where PCs cannot be used, such as a clean room
[0009] In addition, when multiple programmable displays communicate with multiple control devices, packet data (send and receive data) of each device are mixed on the line, so in order to extract abnormal communication data from the huge data and parse, very time consuming

Method used

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Embodiment approach

[0028] figure 1 It is a figure which shows the structure of the control system comprised with the programmable display which concerns on embodiment. The control system 101 has: M (M is a natural number) programmable displays with communication analysis function; N (N is a natural number) control instruments with communication function; and communication lines (lines) 9 . Moreover, the programmable display and the control device are connected via the communication line 9 . With this structure, in the control system 101, it becomes M to N communication system between a programmable display and a control device.

[0029] In this embodiment, the case where the control system 101 has programmable displays 1 and 2 and control devices 5 and 6 will be described. The programmable displays 1 and 2 communicate with the control devices 5 and 6 respectively, display information related to the control devices 5 and 6 , and perform operations on the control devices 5 and 6 . Thereby, the ...

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Abstract

This programmable indicator (1) is equipped with: a storage unit (3) for storing profile data obtained by profiling information pertaining to protocols for respective controlled devices; a communication unit (10) for transmitting / receiving line data to / from the controlled devices; a communication data analysis unit (30) which combines the line data with the profile data to generate combined information wherein attribute meaning information representing the meanings of the attributes of respective data included in the line data, value meaning information representing the meanings of the values of the line data, and the values of the line data are associated with one another; and a display unit (40) for displaying the combined information. The profile data is not software for exchanging data but information defined as data strings in a format determined by a different protocol per controlled device.

Description

technical field [0001] The invention relates to a programmable display connected with a control instrument. Background technique [0002] In industrial fields such as FA (Factory Automation), programmable displays that manage and set control devices while displaying information related to control devices such as PLCs (Programmable Logic Controllers) are used. As a communication I / F for connecting a programmable display and a control device, there are various communication I / Fs such as serial connections such as RS232 / RS422 / RS485 and Ethernet (registered trademark). [0003] In addition, among the FA systems, there is an FA system having a system configuration in which information of a plurality of control devices is displayed on one programmable display. The communication protocol used in the above-mentioned FA system is a communication protocol unique to each control device, and each protocol different for each control device is installed as software in the programmable di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05G06F3/14
CPCG05B19/0428G05B2219/25217G06F3/14G05B19/042G06T1/60
Inventor 水口武士
Owner MITSUBISHI ELECTRIC CORP