WO2023281663A1 - Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム - Google Patents

Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム Download PDF

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Publication number
WO2023281663A1
WO2023281663A1 PCT/JP2021/025635 JP2021025635W WO2023281663A1 WO 2023281663 A1 WO2023281663 A1 WO 2023281663A1 JP 2021025635 W JP2021025635 W JP 2021025635W WO 2023281663 A1 WO2023281663 A1 WO 2023281663A1
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WO
WIPO (PCT)
Prior art keywords
web browser
hmi
web
hmi screen
screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/025635
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English (en)
French (fr)
Japanese (ja)
Inventor
亮 清水
章 野島
伸夫 清水
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Mitsubishi Electric Industrial Systems Corp
Original Assignee
Toshiba Mitsubishi Electric Industrial Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Mitsubishi Electric Industrial Systems Corp filed Critical Toshiba Mitsubishi Electric Industrial Systems Corp
Priority to JP2023532952A priority Critical patent/JP7478925B2/ja
Priority to PCT/JP2021/025635 priority patent/WO2023281663A1/ja
Priority to CN202180057369.4A priority patent/CN116034338A/zh
Priority to US18/007,487 priority patent/US12436524B2/en
Priority to TW111125583A priority patent/TWI853271B/zh
Publication of WO2023281663A1 publication Critical patent/WO2023281663A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31467—Display of operating conditions of machines, workcells, selected programs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32404—Scada supervisory control and data acquisition

Definitions

  • the present invention relates to a SCADA Web HMI client device and a SCADA Web HMI system.
  • SCADA Supervisory Control And Data Acquisition
  • Social infrastructure systems include steel rolling systems, power transmission and transformation systems, water and sewage treatment systems, building management systems, and road systems.
  • SCADA is a type of industrial control system that performs system monitoring, process control, and data collection by computer. SCADA requires responsiveness (real-time capability) matching the processing performance of the system.
  • SCADA generally consists of the following subsystems.
  • HMI Human Machine Interface
  • An HMI is a mechanism that presents monitored device data to an operator and allows the operator to monitor and control the monitored device.
  • Supervisory Control System The supervisory control system is composed of a Programmable Logic Controller (PLC) or the like. The supervisory control system collects data of monitored devices and sends control commands to the monitored devices.
  • PLC Programmable Logic Controller
  • RIO Remote Input Output
  • the remote input/output device connects to a sensor installed in the monitoring target device, converts the signal of the sensor into digital data, and sends the digital data to the supervisory control system.
  • Communication infrastructure The communication infrastructure connects the supervisory control system and remote input/output devices.
  • Patent Document 1 discloses a system comprising an HMI client device and an HMI server device.
  • the HMI server device transmits the data received from the PLC to the HMI client device.
  • the HMI client device has a computer main body, an input device such as a keyboard and a mouse, and a monitor, and displays one HMI screen on the monitor.
  • an HMI screen can be realized as a web application that operates on a web browser.
  • two monitors a large monitor and a small desktop monitor, can be connected to one HMI client device, and two web browsers can be executed and displayed on each monitor.
  • one HMI client device has one set of input devices (keyboard and mouse), and two web browsers are not operated simultaneously.
  • the HMI screen is displayed in an inoperable state on a large monitor for monitoring by a large number of people, and the HMI screen is displayed in an operable state on a small desktop monitor for operator operation. may be desirable.
  • the present invention has been made to solve the above-described problems, and sets the operation authority of each HMI screen for each web browser so that the same HMI screen can be displayed in the first web browser and displayed in the second web browser. It is an object of the web browser to provide a SCADA web HMI client device and a SCADA web HMI system that can be implemented on a single computer for operation.
  • the first aspect relates to SCADA Web HMI client devices and SCADA Web HMI systems.
  • the SCADA web HMI system comprises an HMI server device and an HMI client device.
  • the HMI server device transmits and receives signals relating to the field devices that make up the industrial plant to and from the programmable logic controller, and runs a web server.
  • HMI client devices run multiple web browsers that send and receive the signals via the web server.
  • the HMI client device comprises a processor, a first monitor and a second monitor.
  • the processor running a first web browser that renders an HMI screen displayed on the first monitor for monitoring and controlling the industrial plant; running a second web browser displayed on the second monitor and rendering the HMI screen; obtaining from the web server an operation authority table that determines whether or not the HMI screen can be operated for each web browser; if the first web browser is not permitted to operate the HMI screen in the operation authority table, rendering the operation parts arranged on the HMI screen of the first web browser in an inoperable state; In the operation authority table, when the second web browser is permitted to operate the HMI screen, the operation parts arranged on the HMI screen of the second web browser are rendered in an operable state. Configured.
  • the second aspect further has the following features in addition to the first aspect.
  • the processor changing the shape or color of the mouse pointer from the inoperable state to the operable state when the operable part is in an operable state and the mouse pointer is placed on the operable part; Further, when the operation part is in an inoperable state, the shape or color of the mouse pointer is not changed while the operation part is in an inoperable state even if the mouse pointer is placed on the operation part.
  • the third aspect further has the following features in addition to the first or second aspect.
  • the processor displaying on the HMI screen an operation right identification part indicating whether or not the HMI screen can be operated; drawing the operation authority identification part arranged on the HMI screen of the first web browser in an operation prohibited color when the first web browser is not permitted to operate the HMI screen in the operation authority table;
  • the operation authority identification part arranged on the HMI screen of the second web browser is drawn in an operation permission color.
  • the fourth aspect further has the following features in addition to any one of the first to third aspects.
  • the processor When restarting the first web browser after terminating it, the first web browser is displayed on the first monitor at a predetermined initial position and initial size regardless of the position and size when the first web browser is terminated. display and When restarting the second web browser after terminating the second web browser, the second web browser is displayed on the second monitor at a predetermined initial position and initial size regardless of the position and size of the second web browser when the second web browser is terminated. further configured to display.
  • the operation authority of each HMI screen is set for each web browser, and the same HMI screen is used for display in the first web browser and for operation in the second web browser. It can be implemented in the client device.
  • the mouse pointer when placed on the operation part is drawn with different representations depending on whether or not the user has the operation right. Therefore, it becomes easier for the operator to identify whether or not he/she has the right to operate the web browser that he or she is currently operating.
  • the color of the operation authority identification part indicating whether or not the HMI screen can be operated is changed according to the presence or absence of the operation authority of the web browser. Therefore, it becomes easier for the operator to identify whether or not he/she has the right to operate the web browser.
  • the web browser can be displayed on the default monitor in a predetermined initial position and initial size regardless of the position and size when the web browser is terminated. Therefore, even if the web browser is operated for some reason, the web browser can be easily restored to the operating state.
  • FIG. 1 is a diagram for explaining a configuration example of a SCADA web HMI system according to an embodiment of the present invention
  • FIG. 3 is a block diagram illustrating an outline of functions of an HMI server device and an HMI client device according to the embodiment of the present invention
  • FIG. It is a figure which shows an example of the operation authority table which concerns on Embodiment 1 of this invention.
  • 4 is a flowchart for explaining a processing example of the HMI client device 3 according to Embodiment 1 of the present invention;
  • FIG. 3 is a block diagram illustrating an outline of functions of an HMI server device and an HMI client device according to the embodiment of the present invention
  • FIG. It is a figure which shows an example of the operation authority table which concerns on Embodiment 1 of this invention
  • 4 is a flowchart for explaining a processing example of the HMI client device 3 according to Embodiment 1 of the present invention
  • FIG. 10 is a diagram showing an example of an HMI screen in an inoperable state rendered on a first web browser and an example of an HMI screen in an operable state rendered in a second web browser;
  • 3 is a block diagram showing an example hardware configuration of an HMI server device and an HMI client device;
  • FIG. 1 is a diagram for explaining a configuration example of a SCADA Web HMI system according to an embodiment.
  • the SCADA web HMI system shown in FIG. 1 comprises a PLC 1, an HMI server device 2, and an HMI client device 3 interconnected via a computer network 4.
  • FIG. The computer network 4 is, for example, Ethernet (registered trademark).
  • the PLC 1 connects to monitored devices (field device groups (including actuators and sensors) that make up an industrial plant) via a control network (not shown). PLC 1 periodically transmits packets containing block data to computer network 4 by multicast or broadcast. Block data is a set of PLC signals. One block data includes tens to hundreds of PLC signals. Types of PLC signals include input/output signals (including actuator control signals and sensor detection signals) and alarm signals. The PLC 1 also receives control signals relating to the monitored device from the HMI server device 2 .
  • FIG. 2 is a block diagram illustrating an overview of functions possessed by the HMI server device 2 and the HMI client device 3. As shown in FIG.
  • the HMI server device 2 transmits and receives signals related to field devices that make up the industrial plant to and from the programmable logic controller, and runs a web server.
  • the HMI server device 2 includes a processor 61 that executes various processes and a memory 62 that stores various information, as shown in FIG. 6, which will be described later.
  • the processor 61 executes the programs stored in the memory 62 so that the processor 61 functions as the PLC signal processing section 20 and the web server processing section 21 .
  • the PLC signal processing unit 20 and the web server processing unit 21 can mutually transmit and receive data through inter-process communication.
  • the PLC signal processing unit 20 periodically transmits the PLC signal received from the PLC 1 to each web browser 6 (web browser processing unit 11) via the web server processing unit 21. Also, the PLC signal processing unit 20 transmits control signals received from each web browser 6 via the web server processing unit 21 to the PLC 1 .
  • the web server processing unit 21 can communicate with each web browser 6 (web browser processing unit 11) of the HMI client device 3 using HTTP (Hypertext Transfer Protocol), HTTPS (Hypertext Transfer Protocol Secure), and WebSocket.
  • the web server processing unit 21 transmits content in response to requests from each web browser 6 (web browser processing unit 11).
  • the contents include an HTML file (not shown), an SVG (Scalable Vector Graphics) file 25 for each HMI screen, a parts library 26 describing operations for each part type, and an operation authority table 27.
  • the parts library 26 contains a set of scripts describing actions for each part type.
  • a script is a JavaScript (registered trademark) program defined for each part type.
  • the script can be executed on each web browser 6 given a parameter value (for example, presence/absence of operation authority defined in the operation authority table 27) as necessary.
  • the operation right table 27 is a table that defines whether each web browser 6 has the right to operate each HMI screen 7 (whether the operation is permitted) or not (whether the operation is permitted).
  • FIG. 3 is a diagram showing an example of the operation authority table 27 according to this embodiment.
  • "G10" to "G14" are the screen names of the respective HMI screens 7,
  • "HMI1_1” is the browser name of the first web browser 6a
  • "HMI1_2” is the browser name of the second web browser 6b.
  • the browser name is a combination of the device name of the computer and the monitor number.
  • the first web browser 6a (HMI1_1) does not have the right to operate the HMI screen (G10).
  • the second web browser 6b (HMI1_2) has the right to operate the HMI screen (G10).
  • the HMI client device 3 includes a processing circuit 10 (including a processor 71 for executing various processes and a memory 72 for storing various information shown in FIG. 6, which will be described later), a plurality of monitors 5 (a first monitor 5a, a second monitor 5b).
  • the processor 71 functions as the web browser processing unit 11 by executing the program stored in the memory 72 .
  • the web browser processing unit 11 is executed for each web browser 6.
  • the web browser 6 renders an HMI screen 7 for monitoring and controlling the industrial plant.
  • the HMI screen 7 is switched to another HMI screen 7 by operator's operation.
  • a plurality of parts are arranged on the HMI screen 7 .
  • the parts include, for example, operation parts for transmitting control signals to the PLC 1 according to operator's operations, display parts whose display state (numerical value, character, color, shape) changes according to the received PLC signal, and other HMI It includes a screen transition part for switching to a screen, an operation right identification part such as an operation right lamp whose color changes according to the presence or absence of the operation right, and the like.
  • Each web browser 6 (web browser processing unit 11) acquires the above-mentioned HTML file, SVG file 25, parts library 26, operation authority table 27, etc. from the web server processing unit 21 when it is started. Based on these, the web browser 6 draws the HMI screen 7 on which the parts are arranged. Also, each web browser 6 is executed in a mode that does not use a cache in order to always obtain the latest files from the web server processing unit 21 when activated.
  • the web browser processing unit 11 includes a starting position processing unit 12, a screen operation authority processing unit 13, and a parts type processing unit 14.
  • the starting position processing unit 12 displays the web browser 6 at a predetermined initial position and initial size on the default monitor 5 regardless of the position and size of the web browser 6 when it is terminated. For example, if the first web browser 6a is terminated and then restarted, the first web browser 6a is displayed in full screen on the first monitor 5a. Similarly, when restarting the second web browser 6b after terminating it, the second web browser 6b is displayed in full screen on the second monitor 5b. According to this, even if the web browser is operated out of operation for some reason, the web browser 6 can be easily restored to the operating state.
  • the screen operation authority processing unit 13 reads the operation authority table 27 acquired from the HMI server device 2 and determines whether or not each web browser 6 has the operation authority for each HMI screen 7 .
  • the parts type processing unit 14 executes a script for each part type contained in the parts library 26 described above, according to the parts type of the parts arranged on the HMI screen 7 .
  • operation parts and operation authority identification parts whose actions change depending on the presence or absence of the operation authority (parameter value) passed to the script will be described here.
  • operation parts if the web browser 6 is not permitted to operate the HMI screen 7 in the operation authority table 27, the operation parts arranged on the HMI screen 7 of the web browser 6 are rendered in an inoperable state. Further, when the web browser 6 is permitted to operate the HMI screen 7 in the operation authority table 27, the operation parts arranged on the HMI screen 7 of the web browser 6 are drawn in an operable state.
  • the operation part accepts the operator's execution operation (for example, mouse click) and transmits a control signal corresponding to the operation to the HMI server device 2.
  • the operation part does not accept the operator's execution operation.
  • mouseover processing differs between the operable state and the non-operable state.
  • the operable state when the mouse pointer is placed on the operable part, the shape or color of the mouse pointer changes from the inoperable state to the operable state.
  • the inoperable state the shape or color of the mouse pointer remains in the inoperable state even if the mouse pointer is placed on the operation part. According to this, the mouse pointer when placed on the operating part is drawn with different representations depending on whether or not the user has the right to operate. Therefore, the operator can easily identify whether or not he/she has the right to operate the web browser 6 that he or she is currently operating.
  • the operation authority identification parts (operation authority lamps) if the operation authority table 27 does not allow the web browser 6 to operate the HMI screen 7, the operation authority identification parts arranged on the HMI screen 7 of the web browser 6 are prohibited from being operated. drawn in color.
  • the operation prohibited color is red, for example.
  • the operation authority identification parts arranged on the HMI screen 7 of the web browser 6 are drawn in an operation permitted color.
  • the operation permission color is green, for example. According to this, the color of the operation authority identification part indicating whether or not the operation of the HMI screen 7 is permitted is changed according to the presence or absence of the operation authority of the web browser 6 . Therefore, the operator can easily identify whether or not he/she has the right to operate the web browser 6 .
  • FIG. 3 is a diagram showing an example of the operation authority table 27 described above.
  • FIG. 4 is a flowchart for explaining a processing example of the HMI client device 3.
  • FIG. FIG. 5 shows an example of an HMI screen 7 in an inoperable state drawn on the first web browser 6a and an example of an HMI screen 7 in an operable state drawn on the second web browser 6b.
  • step S100 of FIG. 4 the HMI client device 3 executes the web browser 6.
  • FIG. The web browser processing unit 11 displays the web browser 6 on the default monitor 5 at a predetermined initial position and initial size regardless of the position and size when the web browser 6 is terminated.
  • the first web browser 6a is displayed in full screen on the first monitor 5a
  • the second web browser 6b is displayed in full screen on the second monitor 5b.
  • each web browser 6 acquires content from the HMI server device 2 .
  • the content includes the HTML file, SVG file 25, parts library 26, and operation authority table 27 described above. It is sufficient to obtain the parts library 26 and the operation authority table 27 only when the web browser 6 is activated.
  • the example shown in FIG. 5 displays the same HMI screen (G10) on the first web browser 6a and the second web browser 6b, and each web browser 6 acquires the same content.
  • each web browser 6 processes the operation parts (operation buttons 30 in FIG. 5) arranged on the HMI screen 7.
  • FIG. The web browser processing unit 11 determines whether or not the web browser 6 that draws the HMI screen 7 on which the operation parts are arranged has the right to operate the HMI screen 7 (steps S120 and S130). When there is the operation right, the parts type processing unit 14 draws the operation parts in an operable state (step S140). On the other hand, if there is no operation authority, the parts type processing unit 14 draws the operation parts in an operation-disabled state (step S150). In the example shown in FIG.
  • operation of the HMI screen (G10) in the first web browser (HMI1_1) is not permitted (no operation authority) in the operation authority table 27 of FIG. Therefore, the operation button 30 is drawn in an inoperable state. In the operation disabled state, even if the mouse pointer is placed on the operation button 30, the shape of the mouse pointer remains an arrow and does not change. Also, the operation button 30 is drawn in a color indicating that the operation is disabled.
  • operation of the HMI screen (G10) in the second web browser (HMI1_2) is permitted (with operation authority). Therefore, the operation button 30 is drawn in an operable state. When the mouse pointer is placed on the operation button 30 in the operable state, the shape of the mouse pointer changes from an arrow to a finger. Also, the operation button 30 is drawn in a color indicating that it can be operated.
  • each web browser 6 processes the operation authority identification part (operation authority lamp 31 in FIG. 5) arranged on the HMI screen 7.
  • FIG. The web browser processing unit 11 determines whether or not the web browser 6 that draws the HMI screen 7 on which the operation right lamp 31 is arranged has the right to operate the HMI screen 7 (steps S160 and S170). . If there is an operation right, the parts type processing unit 14 draws the operation right lamp 31 in an operation permission color (green) (step S180). On the other hand, if there is no operation authority, the parts type processing unit 14 draws the operation authority lamp 31 in an operation prohibited color (red) (step S190). In the example shown in FIG.
  • step S160 If the condition of step S160 is not met, that is, parts that are neither operation parts nor operation right identification parts are drawn regardless of the operation right.
  • the screen transition button 32 is drawn as a button that can be operated regardless of the operation authority. Display parts (not shown) that only display the value of the PLC signal are drawn as inoperable parts regardless of the operation authority.
  • the drawing of the HMI screen 7 when the web browser 6 is activated has been described.
  • the screen transition button 32 may be pressed to transition to another HMI screen 7 .
  • the web browser processing unit 11 newly acquires the HTML file and SVG file 25 related to the other HMI screen 7 from the HMI server device 2, and executes the processes from step S120.
  • the operation authority for each HMI screen 7 is set for each web browser 6, and the same HMI screen 7 is displayed on the first web browser.
  • the second web browser can be implemented by one HMI client device 3 for operation.
  • one HMI client device 3 can run three or more web browsers 6, which can reduce cost, space, failure rate, and communication load.
  • the operation part and the operation authority identification part are drawn so that the operator can easily identify them according to the presence or absence of the operation authority, and erroneous operations can be reduced.
  • FIG. 6 is a block diagram showing a hardware configuration example of the HMI server device 2 and the HMI client device 3. As shown in FIG.
  • Each process of the HMI server device 2 described above is realized by a processing circuit.
  • the processing circuit is configured by connecting a processor 61 , a memory 62 and a network interface 63 .
  • the processor 61 implements each function of the HMI server device 2 by executing various programs stored in the memory 62 .
  • Memory 62 includes a main memory and an auxiliary memory.
  • the memory 62 stores in advance the HTML file, the SVG file 25, the parts library 26, and the operation authority table 27 described above.
  • the network interface 63 is communicatively connected to other devices within the same network via the computer network 4 .
  • the processing circuit is configured by connecting a processor 71, a memory 72, a network interface 73, an input interface 74, a first monitor 5a, and a second monitor 5b.
  • the processor 71 implements each function of the HMI client device 3 by executing various programs stored in the memory 72 .
  • Memory 72 includes a main memory and an auxiliary memory.
  • the network interface 73 is communicatively connected to other devices within the same network via the computer network 4 .
  • the input interface 74 is a set of input devices including a keyboard, mouse, touch panel, and the like.
  • programmable logic controller PLC
  • HMI server device 3
  • HMI client device 4
  • computer network 5 monitor 5a first monitor 5b second monitor 6 web browser 6a first web browser 6b second web browser 7
  • HMI screen 10 processing circuit 11 web browser processing unit 12 starting position processing unit 13
  • Screen operation authority processing unit 14
  • Parts type processing unit 20
  • PLC signal processing unit 21
  • Web server processing unit 25
  • SVG file 26
  • Operation authority table 30
  • Operation button 31
  • Operation authority lamp 32

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Digital Computer Display Output (AREA)
PCT/JP2021/025635 2021-07-07 2021-07-07 Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム Ceased WO2023281663A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2023532952A JP7478925B2 (ja) 2021-07-07 2021-07-07 Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム
PCT/JP2021/025635 WO2023281663A1 (ja) 2021-07-07 2021-07-07 Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム
CN202180057369.4A CN116034338A (zh) 2021-07-07 2021-07-07 Scada网页hmi系统
US18/007,487 US12436524B2 (en) 2021-07-07 2021-07-07 SCADA web HMI client device and SCADA web HMI system
TW111125583A TWI853271B (zh) 2021-07-07 2022-07-07 Scada web hmi用戶裝置及scada web hmi系統

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/025635 WO2023281663A1 (ja) 2021-07-07 2021-07-07 Ｓｃａｄａウェブｈｍｉクライアント装置およびｓｃａｄａウェブｈｍｉシステム

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WO2023281663A1 true WO2023281663A1 (ja) 2023-01-12

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JPWO2023281663A1 (https=) 2023-01-12
TW202307640A (zh) 2023-02-16

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