JP5414621B2 - Supervisory control system - Google Patents

Description

  The present invention relates to a monitoring control system for performing a plant monitoring control work using an output device such as a CRT or LCD and an input device such as a mouse, a keyboard, and a touch panel.

  Plant workers such as water and sewage water purification plants and factories monitor plant information obtained from display devices such as CRTs or LCDs, and control plants using input devices such as mice, keyboards, and touch panels as necessary. It is carried out.

  In addition to the graphic screen for displaying plant information, the conventional plant monitoring and control system has menu buttons for various functions. Workers can select functions to be executed from the menu buttons according to plant conditions. Looking and running. In such a monitoring control system, there is generally one display device. In a monitoring control system that uses a plurality of display devices, the first display device is often placed in front of the operator, and the second display device is often placed at a location slightly away from the operating location. The monitoring and control apparatus may be provided with a dedicated keyboard as an input device, and include an operation button such as “execute” and “cancel”, a page expansion button on the screen, and the like.

  In the plant, when an operation such as setting change is performed, it is requested to confirm whether to execute or cancel. When a general keyboard is used, since there is no dedicated keyboard key, an operation is executed by selecting and pressing an operation button displayed on the display device.

  In the monitoring control system operated in this way, in [Patent Document 1], if there is a device such as an operable switch in the monitoring control screen displayed on one display device, the touch panel unit in the same display device Devices such as switches are displayed on the screen so that the operator can operate.

  Further, in [Patent Document 2], in order to reduce the number of complicated selection operations of screens displayed on a plurality of display means, the display is interlocked between the plurality of display means.

Japanese Patent Laid-Open No. 8-202401 JP-A-9-26816

  However, in the supervisory control system, a lot of information about the plant is displayed on the supervisory control screen, and execution buttons for plant equipment operations are often displayed on one display device. May be difficult to see.

  In the conventional techniques described in [Patent Document 1] and [Patent Document 2], there is a problem that the installation location of a display device having a touch panel function is limited to a range that can be reached by an operator. The number is entered while looking at the screen, but it is a burden on the operator because the work is repeated while checking the number on the keyboard while looking at the screen. In particular, the burden is great for an operator who is unfamiliar with keyboard operation.

  An object of the present invention is to provide a monitoring control system that can be expected to improve operability such as numerical input and reduction of erroneous operations.

  In order to achieve the above object, the monitoring control system of the present invention has a touch panel function separately from the first display device that displays the monitoring control screen on the monitoring control system in order to improve the operability of the monitoring control system. Two display devices are provided, and information for reducing the burden on the operator is displayed on the second display device in accordance with the contents of the monitoring control screen displayed on the first display device.

  In order to reduce the burden of monitoring control operation, when the monitoring control screen is displayed on the first display device, if there is no information to be displayed on the second display device, a large amount is displayed from the past screen display history. Screen expansion icons are displayed on the second display device in order from the top of the currently displayed screen. As for the screen development history, a screen development history is stored for each terminal or for each user, and a screen that is likely to be developed next is determined from the current screen.

  According to the present invention, when an operator who performs work using the monitoring control system operates the monitoring screen displayed on the first display device, the second display is located near the input device such as a keyboard. Since the device is installed, the effort to grasp necessary information from the monitoring control screen of the first display device is reduced, numerical input can be performed easily, erroneous operations are reduced, and operability is expected to improve. it can. In addition, since necessary operations are displayed on the second display screen, even an operator unfamiliar with the operations can expect to improve the responsiveness of the monitoring control.

1 is a configuration diagram of a monitoring control system according to an embodiment of the present invention. The perspective view which shows the external appearance of the monitoring control system. The top view which shows the apparatus which integrated the keyboard 2nd display apparatus. The figure which shows the data structure of monitoring screen DB. The figure which showed the detail of the 1st monitoring control screen and the 2nd monitoring control screen. The figure which showed the detail of the 1st monitoring control screen and the 2nd monitoring control screen. The figure which showed the processing flow of the input field and the update of information. The figure which shows the example of a display of the expansion | deployment icon of the monitoring control screen of a 2nd display apparatus. The figure which shows the example of the monitoring control system in the case of utilizing an operator's information. The figure which shows the data structure of worker DB. The figure which shows the processing flow at the time of the display of a screen expansion icon. The figure which showed the processing flow at the time of the information update of the screen display log | history of worker DB.

  An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram of a monitoring control system according to the present embodiment.

  The monitoring control system 100 includes a first display device 101 and a second display device 102 for displaying a normal monitoring control screen, and the first display device 101 and the second display device 102 are respectively provided. The corresponding monitoring control screen is displayed. The first display device 101 is a display device such as a CRT or LCD, and may be a large display.

  The second display device 102 is a display device that can be input by a contact operation such as a touch panel, and performs a contact operation by an operator's hand or a touch operation by a touch pen.

  As described above, the second display device 102 is a part of the input device, and in addition to the second display device 102, there are an input device for the keyboard 103 and the mouse 104. Input signals from these input devices are transmitted to the screen display manager 105 by the input processing unit 108.

  The screen display manager 105 controls the display of the monitoring control screens of the first display device 101 and the second display device 102. The screen display manager 105 refers to the monitoring screen DB 106, selects the monitoring control screen instructed by the input processing unit 108, displays the first monitoring control screen on the first display device 101, and the second display device 102. The second monitoring control screen is displayed.

  Since the monitoring control system 100 is a device for controlling a plant such as a factory, the monitoring control system 100 is connected to the controller 110 via the network 109. Data communication with the controller 110 is performed by the plant information management unit 107. The screen display manager 105 periodically acquires information from the plant information management unit 107 and updates the display contents of the first display device 101 and the second display device 102. Since the controller 110 is connected to the plant apparatus 112 via the interface of the process I / O 111, information linkage with each device of the plant is possible.

  FIG. 2 is a perspective view showing the appearance of the monitoring control system 100. When the keyboard 103 and the second display device 102 are different devices, as shown in FIG. 2, the second display device 102 is installed around the keyboard such as the right side or the upper side of the keyboard 103. The worker performs a normal monitoring job while looking at the first display device 101, but when performing an operation, the operator performs an operation using the second display device 102 installed around the keyboard 103.

  The keyboard 103 and the second display device 102 may be integrated as shown in FIG.

  FIG. 4 is a diagram illustrating a data configuration of the monitoring screen DB 106. The monitoring screen DB 106 stores screen information. As the information of each screen, a screen management number 300 that is consistently managed by the monitoring control system is defined. The screen display manager 105 acquires the screen information using the consistently managed screen management number 300 as a key. For each screen management number 300, first screen configuration information 301 and second screen configuration information 303 are defined, and screen information 302, 304 such as a picture and arrangement of plant equipment is defined as each screen configuration information. ing.

  FIG. 5 is a diagram showing details of the first monitoring control screen displayed on the first display device 101 and the second monitoring control screen displayed on the second display device 102 of the monitoring control system.

  On the first monitoring control screen, the instrument screen 400 is selected to operate the plant, and the input field 401 is selected to input. At this time, the screen display manager 105 acquires the first screen configuration information 301 and the second screen configuration information from the monitoring screen DB 106 and displays the respective screens on the first display device 101 and the second display device 102.

  In the example shown in FIG. 5, a setting dialog 402 is displayed on the first display device 101, and an PV value input field 403, an upper limit value setting field 404, a lower limit value setting field 406, a setting button 407 and a close button 408 are displayed. It is displayed. The second display device 102 has a PV value input field 409, an upper limit value setting field 410, a lower limit value setting field 411, a setting button 412 and a close button at the timing when the setting dialog 402 of the first display device 101 is displayed. 413 is displayed. As described above, text information and operation buttons associated with the monitoring control screen displayed on the first display device 101 are displayed on the second display device 102.

  Although FIG. 5 shows an example in which the screen configurations displayed on the first display device 101 and the second display device 102 are similar, they may be defined as completely different screen configurations.

  In the example shown in FIG. 5, a PV value input field 409, an upper limit value setting field 410, and a lower limit value setting field 411 for inputting set values are displayed on the second display device 102 near the worker. Since each input field is displayed next to the keyboard to be operated, it is possible to perform the operation while checking whether the input value is correct. Note that the operator may perform an input operation while viewing the screen displayed on the first display device 101.

  FIG. 6 is a diagram illustrating an example of a first monitoring control screen displayed on the first display device 101 of the monitoring control system and an execution / cancellation confirmation screen displayed on the second display device 102. An instrument screen 500 for operating a pump or the like is displayed on the first display device 101, and an operator selects the operation button 501 to perform the operation. In an operation of a plant or the like, before executing the operation, a confirmation dialog 502 for confirming execution or cancellation is displayed, and the operator confirms. In the confirmation dialog 502, a comment 505 for the operation content is displayed.

  The operator can select the execution button 503 or the cancel button 504 of the displayed confirmation dialog 502.

  When the confirmation dialog 502 is displayed on the first display device 101, an execution button 506, a cancel button 507, and a comment 508 are also displayed on the second display device 102. The operator may execute the operation of the confirmation dialog 502 displayed on the first display device 101 from the keyboard 103 or the second display device 102.

  With this configuration, even when the first display device 101 is a large display and is not installed near the worker, the second display device 102 installed near the worker is viewed. It is possible to perform the operation while reducing the operator's operation mistake and burden.

  FIG. 7 is a diagram showing a processing flow for updating input fields and information displayed on the first display device 101 and the second display device 102.

  In step 600, when there is an input from an operator or information update from the plant on the first monitoring control screen or the second monitoring control screen, in step 601, the first monitoring control screen is displayed on the currently displayed monitoring control screen. The monitoring screen DB 106 is inquired whether the screen and the second monitoring control screen are defined. If the first monitoring control screen and the second monitoring control screen are defined, the first monitoring control screen displayed on the first display device 101 and the second display device 102 are displayed in step 602. The input field values on the second monitoring control screen are matched.

  Thereafter, in step 603, the display of the first monitoring control screen and the second monitoring control screen displayed on the first display device 101 and the second display device 102 is updated. By performing this process, the input result is prevented from being reflected on only one of the first display device 101 and the second display device 102.

  FIG. 8 shows an example in which the expansion icon of the monitoring control screen is displayed on the second display device 102. As a case as shown in FIG. 8, there is a case where the second monitoring control screen of the monitoring control screen is not defined.

  When the screen display manager 105 acquires the monitoring control screen to be displayed on the first display device 101 and the monitoring control screen to be displayed on the second display device 102 is not defined, the display history of the worker is displayed. Displays a screen expansion icon for expanding to a screen with a large number of display times.

  In the example shown in FIG. 8, the screen display icon 700 for the alarm screen, the screen development icon 701 for the graphic screen showing the process 1, the screen development icon 702 for the form screen, and the trend 5 screen are displayed on the second display device 102. The screen expansion icon 704 is displayed. The operator can display the trend 5 screen on the first display device 101 by pressing the screen expansion icon 704 on the trend 5 screen.

  Here, a screen displayed on the second display device such as a setting dialog, a confirmation dialog, and a developed icon is referred to as an operation screen.

  FIG. 9 shows an example of the monitoring control system 100 in the case where the worker information as described in FIG. 8 is used.

  In the example illustrated in FIG. 9, a worker information management unit 800 connected to the screen display manager 105 and a worker DB 801 connected to the worker information management unit 800 are added to the example illustrated in FIG. 1.

  Information for each worker transmitted from the screen display manager 105 is managed as information registration at the time of screen display by the worker information management unit 800, and screen browsing records are recorded in the worker DB 801.

  FIG. 10 shows the data structure of the worker DB 801. The worker DB 801 stores a plurality of worker setting information. The worker setting information includes display screen information 903 and 907 in addition to worker information 902 such as worker ID (900), password 901, and worker name.

  In the display screen information 903, a screen management number 904, a display count 905, and an update date 906 of the display screen information 903 are stored, and N pieces of display screen information 903 are stored as necessary. The numerical value of N is a value determined at the time of operation of the monitoring control system, and varies depending on the number of screen expansion icons displayed on the second display device 102 as shown in FIG.

  FIG. 11 shows a processing flow when the screen expansion icon shown in FIGS. 8 and 9 is displayed.

  In step 610, the screen display manager 105 displays the first monitoring control screen on the first display device 101. In step 611, it is checked whether the information of the second monitoring control screen is defined with reference to the monitoring screen DB 106. If the second monitoring control screen is defined in step 612, the second display device 102 is checked. The second monitoring control screen is displayed. When the information of the second monitoring control screen is not defined, in step 613, the screen development history of the worker who uses the terminal of the monitoring control system is searched, and the screen to the monitoring control screen is displayed in the descending order of the number of display times. The expanded icon is displayed on the second display device 102.

  FIG. 12 is a diagram showing a processing flow at the time of updating information of the screen display history of the worker DB.

  In step 620, the screen display manager 105 passes the screen management number and worker ID of the monitoring control screen displayed to the worker information management unit 800 when the monitoring control screen is displayed.

  Upon receiving the screen management number and the worker ID, the worker information management unit 800 searches the worker DB 801 for data having the corresponding worker ID, and from the display screen information 1903 whether there is information on the screen management number. The display screen information N907 is collated. If it is determined in step 621 that there is data that matches the screen management number in the display screen information, in step 622, 1 is added to the number of times the corresponding display screen information is displayed, and the update date and time. Update. If there is no data that matches the screen management number in the display screen information, in step 623, the display screen information 1907 is extracted from the display screen information 1903, and those in which the number of display times is 1 are extracted in step 624. The display screen information with the oldest update date / time is overwritten with the information of the currently displayed monitoring control screen, and the update date / time is updated at step 625.

  According to the present embodiment, the installation location of the touch panel can be freely determined by installing the first display device and the second display device separately, and the operator can change the setting when changing the plant setting. By touching the “execute” and “cancel” confirmation icons displayed on the second display device in addition to the first display device, the operation can be executed with the same operation as the dedicated keyboard.

  In this way, the second display device can be integrated with the keyboard or can be installed within the reach of workers around the keyboard. It can be used to reduce the operation burden.

  Further, the operator can expand the screen to be viewed by touching the screen expansion icon on the touch panel without taking the trouble of selecting and expanding the screen from the menu.

DESCRIPTION OF SYMBOLS 100 Monitoring control system 101 1st display apparatus 102 2nd display apparatus 103 Keyboard 105 Screen display manager 106 Monitoring screen DB
400,500 Instrument screen 801 Worker DB

Claims (3)

A first display device for displaying a monitoring control screen;
An input device having a keyboard or a mouse ;
A second display device integrated with the keyboard of the input device, including a touch panel, and operated by a contact operation from an operator;
A monitoring screen storage for storing the first monitoring control screen displayed on the first display device and the second monitoring control screen displayed on the second display device in association with each other;
A screen display manager for acquiring monitoring screen information to be displayed on the first display device and the second display device from the monitoring screen storage unit and displaying the information on the first display device and the second display device;
An operator selects a monitor control screen according to an instruction input from the input device, and displays the first monitor control screen on the first display device;
Displaying an input operation screen related to the selected first monitoring control screen on the second display device as a second monitoring control screen;
When a monitoring control screen showing the same operation is displayed on the first display screen and the second display screen, the operator's operation result input from the operation portion in the first display screen or the second display screen The monitoring control system characterized in that the input field values of the first display screen and the second display screen are matched . In the supervisory control system according to claim 1,
When the monitoring control screen displayed on the first display device is in a monitoring state and there is no information to be displayed on the second display device, a screen with a large number of display times from the display history of the operator A monitor control system for displaying a screen expansion icon for expansion into the second display device. 2. The monitoring control system according to claim 1, wherein when the monitoring control screen displayed on the first display device is in a monitoring state and there is no information to be displayed on the second display device, the first control device monitoring and control system and displaying the text information and operation buttons are associated with the monitoring control screen displayed on the display device on the second display device.

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