Title:
SCADA WEB HMI CLIENT DEVICE AND SCADA WEB HMI SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/188162
Kind Code:
A1
Abstract:
This SCADA web HMI client device comprises a processor and a memory. The memory stores a user access level, image data of an HMI screen, and screen access right information that are received from a web server. The screen access right information includes an operation access level of the HMI screen and operation possibility of the HMI screen through a web browser. The processor draws the HMI screen on the web browser in an operation possible state when the user access level is equal to or higher than the operation access level and an operation on the HMI screen through the web browser is allowed. The processor draws the HMI screen on the web browser in an operation impossible state when the user access level is lower than the operation access level or the operation on the HMI screen through the web browser is not allowed.
Inventors:
SHIMIZU RYO (JP)
NOJIMA AKIRA (JP)
SHIMIZU NOBUO (JP)
NOJIMA AKIRA (JP)
SHIMIZU NOBUO (JP)
Application Number:
PCT/JP2022/016156
Publication Date:
October 05, 2023
Filing Date:
March 30, 2022
Export Citation:
Assignee:
TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP (JP)
International Classes:
G05B23/02
Domestic Patent References:
| WO2021245752A1 | 2021-12-09 |
Foreign References:
| CN111262338A | 2020-06-09 | |||
| US20170019397A1 | 2017-01-19 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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