JP2000347725A - Operation monitoring device for plant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To speedily take fault measures and to easily perform maintenance by displaying the specification state items of all equipment including adoptable fault states and a current state simultaneously with a plant system diagram. SOLUTION: An equipment symbol is selected by a mouse pick or the like by applying an operating command from an operation input part 107. The current state of plant data is edited from all the data numbers of a picture display definition table 102 corresponding to the symbol number of the selected equipment symbol, a place name, an equipment specification state name and the state name of a plant are edited from an equipment specification table 101 and they are displayed on the screen of a CRT display device 106 with a window. Since all the equipment specification state items adoptable for the plant equipment having the selected equipment symbol and the current state thereof are displayed, fault contents can be speedily grasped, fault measures can be quickly taken and the maintenance of equipment specification state item corresponding to the equipment symbol can be easily performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant operation monitoring device which displays a plant state on a display device such as a CRT display device to perform operation monitoring.

[0002]

2. Description of the Related Art It is already practical to perform information processing using a computer to monitor the operation of a water supply plant, a power plant, etc., and to display the plant status on a display device such as a CRT display device to monitor the operation. Have been. The display device displays a plant system diagram, a process amount, and the like. The plant system diagram symbolizes and displays a number of plant devices constituting the plant.

There are many operation states and failure states (types of failures) that can be taken by one plant device, that is, a number of device specification status items. In particular, there are many failure state items.

Conventionally, in order to display a device specification status item of one plant device, a plurality of operation status signals (contact signals) are required.
And inputting a large number of fault state signals (contact signals) to a computer, and changing the color of a symbol on a screen of a display device,
Flicker is displayed.

[0005] The plant system diagram shows one plant
It is indicated by two symbols. Therefore, even if a failure of one failure state item occurs, the occurrence of the failure can be confirmed only by looking at the device symbol, and the details of the failure are unknown.

The operator switches the screen to an operation record message screen that records plant data on the occurrence of a failure and a change in state, or displays the failure occurrence and the state change of the announcement type writer by recording and printing the failure. The system searches for status items and checks the failure details of plant equipment.

[0007] Displaying a plant system diagram on a display device related to the present invention, selecting a plant device, and displaying detailed information of the selected plant device is, for example, as follows.
JP-A-63-303406, JP-A-64-821
No. 07 publication.

[0008]

The operator switches the screen on the operation record message screen, or looks at the record printout of the announcement typewriter, finds out the fault condition item, and confirms the fault content of the plant equipment. And it takes a lot of time to find a countermeasure. In particular, when a plurality of failures occur at the same time and the failure is a serious failure, delay in response becomes a serious problem.

The device specification status items to be displayed corresponding to the device symbols are defined in advance based on a specification document or the like when the screen is created, and the display is confirmed. However, the legitimacy of the display specification is overlooked at the display confirmation stage. In some cases, the failure may be overlooked at the time of a change such as addition or deletion of a failure signal to plant equipment due to a failure review on the plant side.

It is an object of the present invention to provide a plant operation monitoring device capable of quickly taking measures against a failure and easily maintaining equipment specification status items corresponding to symbols.

[0011]

The feature of the present invention resides in that when a device symbol of a plant system diagram displayed on a screen of a display device is selected, all the faults including a possible fault state of the plant device are selected. The equipment specification status item and its current status are displayed simultaneously with the plant system diagram.

According to the present invention, all the equipment specification status items that can be taken by the plant equipment of the selected equipment symbol and the current status thereof are displayed. In addition to the above, maintenance of the device specification status item corresponding to the device symbol can be easily performed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a configuration diagram of the present invention.

In FIG. 1, plant data of a plant 108 is transmitted to a process computer 1 via a data input unit 104.
00 is stored in the data table 103. The device specification table 101 stores device specification status items including an operation status and a failure status for each plant device. The screen display definition table 102 stores data numbers to be displayed for each device symbol.

The screen display processing unit 105 includes a device specification status item of the device specification table 101 and a screen display definition table 10.
2 and the plant data in the data table 103 are input, the display screen is edited, and displayed on the CRT display device 106. The CRT display device 106 displays plant data, an operation monitoring screen, and various man-machine operation screens.

The operation input unit 107 allows the operator to interactively input an operation monitoring screen and various man-machine screens displayed on the CRT display device 106, and a mouse, a keyboard, and the like are used. Operation (selection) input from operation input unit 107
The command is input to the screen display processing unit 105.

The process computer 100 also requires a storage device for storing screen information such as a fixed screen and a variable screen, but is not shown because it is not directly related to the present invention.

Next, the screen display processing unit 105 will be described with reference to FIG.
Will be described.

FIG. 2 shows the screen display definition table 102.
As shown in (b), the data number of the plant data corresponding to the symbol number of the plant equipment is defined and stored in advance. FIG. 2A shows the device specification table 101.
As shown in (1), a data number and a place name, a device specification state item name, and a plant state name are defined and stored in advance. The state signal of the plant 108 changes every moment, and is always stored in the latest plant data (current state) data table 103 by the data input unit 104.

The screen display processing unit 105 refers to the screen display definition table 102 and updates the latest information of the plant data.
When the plant data changes or periodically, the color change display or the flicker display of the device symbol is performed.

On the other hand, when an operation command is given from the operation input unit 107 and an equipment symbol is selected by a mouse pick or the like, plant data is obtained from all data numbers of the screen display definition table 102 corresponding to the symbol number of the selected equipment symbol. , The location name, the device specification status item name, and the plant status name from the device specification table 101 are edited and displayed in a window on the screen of the CRT display device 106.

Normally, the operation of the plant 108 is monitored by CR.
It can be confirmed by the color change display or the flicker display of the equipment symbol of the plant system diagram displayed on the screen of the T display device 106. For more information on plant equipment,
The device specification status item name and the plant status name can be confirmed, and even if the plant devices are displayed collectively with one device symbol, the failure content can be quickly grasped.

Next, an example in which the present invention is applied to a water purification plant will be described with reference to FIGS.

Normally, the CRT display device 106 has the configuration shown in FIG.
As shown in (a), the monitoring screen 301 of the plant system diagram which is the whole water system diagram is displayed. The operator monitors the entire facility by viewing the operation monitoring screen 301. The whole water system diagram shows three pumps P1, P2,
An example in which water is pumped to the distribution reservoirs 12 and 13 at P3 is shown.

When the operation of the plant 108 is monitored while looking at the screen of the CRT display device 106 as described above, if a failure occurs in the pump P1 which is a plant device, a screen 302 shown in FIG. The device symbol of the failed pump P1 is displayed by flicker or color change. The device symbol of the failed pump P1 is displayed in a display form different from that before the failure occurred.

The operator gives an operation command through the operation input unit 107 in order to grasp the contents of the failure of the failure pump P1.
As shown in FIG. 3C, the device symbol of the failed pump P1 is selected by a mouse pick or the like. Faulty pump P1
Is selected, a screen 3 shown in FIG.
As in 04, all the equipment specification status items related to the pump P1 and the current equipment status are displayed in the window 14.

The equipment status display window 14 displays all equipment specification status item names of the pump P1 and their current status names in a table format as shown in FIG.
The detailed state of the pump P1 can be confirmed.

Displaying all the device specification status item names related to the device symbols and their status names means displaying the contents of the screen display definition table 102, and the screen 304 defines the screen display definition table 102. It is also confirming the contents of. Since all the device specification status item names defined and displayed on the device symbol and their status names are displayed, plant data unrelated to the device symbol (device specification status item name) is defined or missing. If there is, the screen 301 in FIG.
Picking the mouse on the signal definition icon 15 and inputting the data number of the plant data from the operation input unit 107 or changing the symbol display plant data number of the screen display definition table 102 by selecting from the list of plant data. Can be changed by FIG. 4B shows an example in which a device specification status item of data number 10005 is added.

The flow of processing up to the display of the window 14 for displaying the device status shown in FIG. 4 will be described with reference to FIG.

FIG. 5 shows the process from accepting the selection of a device symbol to displaying the device status after the operation monitoring screen is displayed on the CRT display device 106.

The selection of the device symbol by the operation command input from the operation input unit 107 is accepted (step 50).
1) Retrieve screen display definition data of the selected device symbol from the screen display definition table 102 (step 502). Based on the screen display definition data searched from the screen display definition table 102, the device specification state item data (plant data definition data) is searched from the device specification table 101 to edit the device specification state item name (step 503) and the screen display definition. The plant data number is searched from the table 102 and the state name is edited (step 504).

The screen obtained as a result of the editing in steps 503 and 504 is displayed as a device state in the window 14 (step 505).

Next, an operation of changing the screen display definition data will be described with reference to FIG.

FIG. 6 shows a flow from the operation monitoring screen display on the CRT display device 106 to the symbol display definition change.

When the operator monitors the operation of the plant 108 by displaying the operation monitoring screen on the CRT display device 106 (step 601), the operator selects a device symbol to be changed by the operation input unit 107 (step 602). A window 14 for displaying the device status is displayed (step 60).
3).

The window 14 displays the device status in the form of a table as shown in FIG. The operator checks the device specification status item name and the status name defined in the selected device symbol.

If there is an erroneous signal definition or omission of definition in the device symbol, the signal definition icon 15 is selected (step 604), a data number is entered by the operation input unit 107 (step 605), and the screen display definition is made. Modify, add and delete data.

The status display of the plant equipment is performed as described above. All the equipment specification status items that can be taken by the plant equipment of the selected equipment symbol and the current status thereof are displayed. Since the details of the failure can be quickly grasped, failure countermeasures can be taken quickly and maintenance of the equipment specification status item corresponding to the equipment symbol can be easily performed.

Next, the above-described embodiment shows an example in which one plant device is displayed collectively with one device symbol. However, a case where a plurality of plant devices are displayed collectively with one device symbol. However, the present invention can be similarly performed.

FIG. 7 shows an example of a device state display when three pumps are collectively displayed with one device symbol. FIG. The three pumps 1 to 3 are collectively displayed by one device symbol P.

FIG. No. 1 and 3 pumps were operated. When the pump of No. 2 is stopped,
A ground fault occurred in the pump No. 1 and This indicates that an overcurrent accident has occurred in the pump No. 3.

[0043]

According to the present invention, all the equipment specification status items that can be adopted by the plant equipment of the selected equipment symbol and the current status thereof are displayed, so that the details of the failure can be quickly grasped, so that a countermeasure against the failure can be taken. It can be performed quickly and maintenance of the equipment specification status item corresponding to the equipment symbol can be easily performed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is an example of table data according to the embodiment of the present invention.

FIG. 3 is a diagram showing an example of a screen display according to the embodiment of the present invention.

FIG. 4 is a diagram illustrating an example of a screen display according to the embodiment of the present invention.

FIG. 5 is a processing flowchart of a device status display in the embodiment of the present invention.

FIG. 6 is a flowchart of a process of changing drawing display definition data in the embodiment of the present invention.

FIG. 7 is another example of screen display in the embodiment of the present invention.

[Explanation of symbols]

101: plant equipment specification table, 102: screen display definition table, 103: data table, 104: data input unit, 105: screen display processing unit, 106: CRT display device, 107: operation input unit, 108: plant

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuzo Takeishi 5-2-1 Omika-cho, Hitachi City, Ibaraki Prefecture Inside Hitachi Information & Control Systems Co., Ltd. No. 1 F term in Hitachi Ltd.'s Omika factory (reference) 5E501 AC02 AC32 BA05 CA03 CB02 CB09 DA11 EA05 EA11 EA13 EB01 EB05 FA04 FA06 FA14 FA42 FB28 FB30 5H223 AA01 CC08 DD03 EE05 FF03

Claims (6)

[Claims] 1. A display device for displaying a plant system diagram by displaying plant equipment constituting a plant with symbols, and a device for storing, for each plant equipment, a device specification state item including a failure state that the plant device can take. Specification storage means, data storage means for capturing and storing the state signal of the plant, operation input means for selecting an equipment symbol of a plant system diagram displayed on the display device, and plant equipment of the selected equipment symbol Fetch all device specification status items and their current status from both storage means,
A plant operation monitoring device, comprising: a screen display processing means for displaying all the device specification status items relating to the selected plant device and their current status on the display device simultaneously with the plant system diagram. 2. A display device for displaying a plant system diagram by displaying plant equipment constituting a plant with a symbol, and an equipment for storing, for each of the plant equipment, an equipment specification state item including a failure state that can be taken by the plant equipment. Specification storage means, data storage means for capturing and storing the status signal of the plant, operation input means for selecting an equipment symbol of a plant system diagram displayed on the display device, and equipment symbol of the plant equipment in which a failure has occurred. In addition to displaying in a display mode different from that before the occurrence of the failure, all the device specification status items and the current status of the plant device in which the failure has occurred selected by the operation input means are fetched from both storage means, All equipment specification status items and their current status are displayed on the display device simultaneously with the plant system diagram. Operation monitoring apparatus of the plant, characterized by comprising a screen display processing unit. 3. A display device for displaying a plant system diagram by displaying one plant device of a plant composed of a large number of plant devices with one device symbol, and the plant device can be adopted for each plant device. A device specification storage unit for storing a device specification state item including a failure state; a data storage unit for capturing and storing the state signals of the plurality of plant devices; and selecting a device symbol of a plant system diagram displayed on the display device. Operation input means, and all the equipment specification status items and the current state of the plant equipment of one equipment symbol selected by the operation input means are fetched from both the storage means, and all of the selected plant equipment are stored. Screen display process for displaying the device specification status items and their current status on the display device together with the plant system diagram in a table format. Operation monitoring apparatus of the plant, characterized in that and means. 4. A display device for displaying a plant system diagram by displaying one plant device of a plant composed of a large number of plant devices with one device symbol, and the plant device can be adopted for each plant device. A device specification storage unit for storing a device specification state item including a failure state; a data storage unit for capturing and storing the state signals of the plurality of plant devices; and selecting a device symbol of a plant system diagram displayed on the display device. Operation input means, and display the device symbol of the plant equipment in which the failure has occurred in a different display form than before the occurrence of the failure, and all the device specification status items relating to the plant equipment in which the failure has occurred, selected by the operation input means. The current status is fetched from both storage means, and all the equipment specification status items and the current status of the plant equipment are acquired. The operation monitoring apparatus of the plant, characterized by comprising a screen display processing means for displaying on the display device simultaneously with the plant system diagram in tabular form. 5. A display device for displaying a plant system diagram by displaying a plurality of plant equipments of a plant composed of a large number of plant equipments with one equipment symbol, and the plant equipments may be adopted for each of the plant equipments. A device specification storage unit for storing a device specification state item including a failure state; a data storage unit for capturing and storing the state signals of the plurality of plant devices; and selecting a device symbol of a plant system diagram displayed on the display device. Operation input means, and all the equipment specification status items related to a plurality of plant equipment indicated by one equipment symbol selected by the operation input means and the current state thereof are fetched from both storage means, All the equipment specification status items related to a plurality of plant equipment and their current status are displayed in a tabular form at the same time as the plant system diagram. Operation monitoring apparatus of the plant, characterized by comprising a screen display processing means for displaying. 6. A display device for displaying a plant system diagram by displaying a plurality of the same type of plant equipment of a plant composed of a large number of plant equipment with one equipment symbol.
Equipment specification storage means for storing, for each of the plant equipment, equipment specification state items including possible failure states of the plant equipment, data storage means for taking and storing the state signals of the plurality of plant equipment, and displaying on the display device Operation input means for selecting an equipment symbol of the plant system diagram being displayed, and displaying the equipment symbol of the plant equipment in which the failure has occurred in a display form different from that before the occurrence of the failure, and one equipment symbol selected by the operation input means. All the device specification status items related to the plurality of plant devices and the current status thereof are fetched from both storage means, and all the device specification status items related to the plurality of plant devices and the current status thereof are stored. Screen display processing means for displaying on the display device simultaneously with the plant system diagram in a tabular form. Runt of the operation monitoring device.