JP3243029B2 - Distributed operation monitoring device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distributed operation monitoring device for monitoring and controlling an industrial plant or the like.

[0002]

2. Description of the Related Art In a conventional distributed operation monitoring apparatus, in a panel instrumentation (also called an analog instrumentation), each operator is arranged in front of the panel, and a lever or a knob provided on each panel is provided. The operation of the industrial plant was performed by operating the operation member.

[0003] Since the panel operated by the operator is provided so as to be seen from the seat where the chief (supervisor or shift chief) is located, the chief monitors what each operator currently monitors and what operation is performed. They checked and managed from their own seats, and backed up operators as needed.

On the other hand, in response to the complicated driving operation, CR
A panelless instrumentation that performs a driving operation based on an operation screen displayed on T is known. In this panelless instrumentation, each operator is located in front of a CRT. A plurality of patterns are stored in the operation screen displayed on the CRT, and each operator selects an operation screen to be operated by himself / herself in accordance with the progress of driving, and the selected operation screen is displayed on the CRT in front of him / her. The screen was called to perform the driving operation.

[0005]

As described above, in the distributed operation monitoring apparatus of the panelless instrumentation, the operator is disposed in front of each CRT, so that the chief cannot easily see the CRT in front of each operator. However, it was difficult to confirm from the operator's seat what each operator is currently monitoring and what kind of operation is being performed.

[0006] Therefore, the chief cannot accurately grasp the current driving operation status of each operator, and cannot appropriately manage each operator. As a result, it is not possible to accurately judge the overall current driving situation, and it is not possible to communicate closely with each operator, so that the sense of solidarity between the chief and each operator is reduced. In such a state, there is a problem that it is difficult to take prompt and accurate measures in an emergency such as when an alarm is generated.

Accordingly, an object of the present invention is to provide a distributed operation monitoring device in which a chief can accurately grasp the current operation operation status of each operator, and can take quick and accurate measures in an emergency. I do.

[0008]

SUMMARY OF THE INVENTION The present invention comprises a display means for displaying an operation screen for a driving operation, and a driving apparatus for processing information inputted by the driving operation based on the operation screen displayed on the display means. In a distributed operation monitoring device in which a plurality of monitoring devices are connected to each other by a data bus and each of the operation monitoring devices performs an operation process, at least one of the plurality of operation monitoring devices has a master station function or a child function. Selecting means for selecting the station function, and when the master station function is selected by the selecting means, the operation mode is currently displayed on each operation monitoring device based on the information on the operation screen transmitted from each of the other operation monitoring devices. Display control means for displaying an operation screen on a display means, wherein each of the plurality of operation monitoring devices is configured to display a current operation screen with respect to the operation monitoring device for which the master station function is selected by the selection means. It is provided with a operation screen information transmitting means for transmitting information.

[0009]

In the present invention having such a configuration, at least one of the plurality of operation monitoring devices, when the master station function is selected by the selection device, displays the other operation monitoring devices on the display device by the display control device. The operation screen currently displayed by each operation monitoring device is displayed based on the information on the current operation screen transmitted from the device by the operation screen information transmitting means.

Therefore, the operator arranged in the operation monitoring device whose master station function has been selected by the selection means can check the operation screen displayed on each of the other operation monitoring devices.

[0011]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing an arrangement of an operator and an operation monitoring device of panelless instrumentation.
The second operation monitoring device 2a to the sixth operation monitoring device 6a and the respective operation monitoring devices 2a to 6a are arranged in front of the chief seat 1a arranged opposite to the first operation monitoring device 1a. Operator seats 2b to 6b are arranged in a semicircle.

FIG. 2 is a block diagram showing a main circuit configuration of a distributed operation monitoring device constituted by the operation monitoring devices 1a to 6a. Each of the operation monitoring devices 1a, 2a,.
Each is connected to each other via a data bus 7.

Each of the operation monitoring devices 1a, 2a,... Has the same configuration, and the first operation monitoring device 1a
A display A11 as display means for displaying an operation screen;
The display data of the n types of operation screens are screen 1, screen 2,.
A screen selection unit A12 for selecting and reading display data of one operation screen from the screen storage unit 8 stored as the screen n;
A screen display control unit A13 for displaying an operation screen on the display A11 based on display data of the operation screen read by the screen selection unit A12 and controlling an input signal by an operator's touch operation or the like; Control unit A13
And connected to the data bus 7,
And a transmission control unit A14 for processing various input / output signals.

The second operation monitoring device 2a includes a display B21, a screen selection unit B22, and a screen display control unit B.
23 and a transmission control unit B24.
Although not shown, the operation monitoring devices 3a to 6a have the same configuration.

The screen storage section 8 stores the screen selection section A14, the screen selection section B22, and the screen selection section A14 so that the operation monitoring apparatuses 1a, 2a,.
Are connected to each other.

A control station 9 is connected to the data bus 7.
Are connected via the data bus 7 to each of the operation monitoring devices 1a, 2a,.
1. An input signal input based on the operation screen displayed on the display B21,... Is input to the control station 9 as an operation flag. Are controlled.

Although not shown, the screen display control unit A13, the screen display control unit B23,... Are each a CPU (central processing unit) as a control unit body.
And a ROM (read only mem-ory) in which program data for processing performed by the CPU is stored, and a RAM (random ac-cess memory) in which areas of various memories used when the CPU performs processing are formed. Have been.

Further, as shown in FIG. 3, the screen control unit A13 selects a master station or a slave station and, based on the selection, controls the operation screen to be displayed on the display A11. A parent / child selection means A13a and a child station (another operation monitoring device) to be displayed in a window when a parent station is selected by the parent / child selection means A13a;
Child screen selection means A13b for controlling a window display of the display A11 based on display data of the operation screen transmitted from the selected child station and received via the data bus 7 and the transmission control unit A14; Is provided. Although not shown, the above-described parent-child selection means and child screen selection means are similarly provided in each screen control unit of the other operation monitoring devices 2a to 6a.

In the operation monitoring apparatus in which the slave station is selected by the parent-child selection means, the display screen flag indicating the current operation screen displayed on the display unit is transmitted via the data bus 7 by the parent-child selection means. Is transmitted to the selected operation monitoring device.

FIG. 4 shows, for example, the parent-child selection means A13a.
5 shows a display screen of the display A11 when the master station is selected by the operator. The operation screen selected by the screen selection unit A12 is displayed on the main screen M, and the child screen selection unit A1
The operation screen currently displayed in the slave station selected in 3b is displayed in the windows W1, W2, and W3.

FIG. 5 shows a flow of a screen display control process performed by each CPU. Here, the first operation monitoring device 1a in which the chief is arranged will be described, but the other operation monitoring devices are similarly processed. First, the parent / child selection means A1 is operated by the input operation of the chief (or operator).
At 3a, it is determined whether the master station or the slave station has been selected.

When it is determined by the parent / child selection means A13a that a slave station has been selected, the operation enters a standby state until an operation screen is selected by the screen selection unit A12 by an input operation of the operator or the chief. Is selected, the display data of the selected operation screen is read from the screen storage unit 8, and based on the read display data of the operation screen, the screen display control unit A13 causes the display A11 to display the operation screen and And transmitting a display screen flag indicating the currently displayed operation screen to the operation monitoring apparatus whose parent station has been selected by the parent-child selection means (operation screen information transmission means). Then, the screen display control process is terminated.

When it is determined that the parent station is selected by the parent / child selection means A13a, the operation screen of the child station is selected and displayed on the screen of the display A11, or the operation screen of all the child stations is displayed. Is displayed or not.

If it is determined that the operation screens of all the slave stations are to be displayed on the screen of the display A11, the current screen is displayed on the slave stations based on the display screen flags transmitted from all the slave stations via the data bus 7. The displayed operation screen is displayed in synchronization with the screen of the display A11 (display control means). Then, the screen display control process is terminated.

If it is determined that the operation screen of the slave station is selected and displayed on the screen of the display A11, the slave station to be displayed on the window is in a standby state until the slave station is selected by the slave screen selecting means A13b. When a slave station to be displayed on the window is selected by the slave screen selecting means A13b, the slave station selected by the slave station is selected based on the display screen flag transmitted from the selected slave station via the data bus 7. The currently displayed operation screen is synchronously displayed in a window formed on the display A11 (display control means). Then, the screen display control process is terminated.

In this embodiment having such a configuration, first, the chief generally selects a parent station by the parent-child selection means A13a in the operation monitoring device 1a, and the other operators operate the respective operation stations arranged respectively. The child station is selected by the parent / child selection means of the device. If necessary, for example, an operator arranged in another operation monitoring device may select the parent station by the parent-child selection means, or may use the parent-child selection means A13a to perform the driving operation by the chief. A station may be selected.

At this time, each operator selects an operation screen for performing the assigned operation by the screen selection unit. Then, the display data of the operation screen is read from the screen storage unit 8 by the screen selection unit, and the operation screen is displayed on the display by the screen display control unit based on the display data. Each operator performs a shared driving operation based on this operation screen.

On the other hand, the chief who has selected the master station selects whether to display all slave stations or select a slave station and display a window for the slave station to be monitored by the slave screen selecting means 13b. If the window display is selected here, the slave station to be monitored is selected by the slave screen selecting means 13b. Then, based on the display screen flag transmitted from the selected slave station via the data bus 7, the operation screen currently displayed in each of the selected slave stations is displayed on the display A11.
Are displayed synchronously in the window of the screen.

Accordingly, the chief can grasp in real time what kind of driving operation is currently being performed in the slave station by monitoring the operation screen of the slave station displayed in the window on the display A13a.

As described above, according to the present embodiment, the screen display control unit A13 includes the parent / child selection unit 13a and the child screen selection unit 1
3b, when the parent station is selected by the parent-child selection means 13a, the child station is selected based on the display screen flag transmitted via the data bus 7 from the operation monitoring device whose child station is selected by the other parent-child selection means. The operation screen displayed on each display of all the operation monitoring devices whose stations are selected or the operation monitoring device selected by the sub-screen selection means is displayed on the display A1.
1, and when a slave station is selected by the parent-child selection means 13a, a display screen flag indicating the display content of the operation screen currently displayed on the display A11 is transmitted to another data bus 7 via the data bus 7. By transmitting to the operation monitoring device whose parent station is selected by the parent-child selection means 13a, in the operation monitoring device whose parent station is selected by the parent-child selection means, each operation displayed on the display of another operation monitoring device is performed. Screen
This master station can be displayed on the display of the selected operation monitoring device. Therefore, if the chief selects the parent station by the parent-child selection means, the operation status of each operator can be accurately grasped, and prompt and accurate measures can be taken in an emergency.

Further, in this embodiment, since all the operation monitoring apparatuses are provided with the parent-child selection means and the child screen selection means, any operation monitoring apparatus can be the master station. The operator's driving operation status can be confirmed, and communication between operators can be made closer. Therefore, since each operator can grasp the operation status of the other operators, it is possible to take quicker and more accurate measures in an emergency.

FIGS. 6 and 7 show another embodiment. In this embodiment, the arrangement of the operator and the operation monitoring apparatus of the panelless instrumentation is the same as that of the above-described embodiment, so that the description thereof is omitted here (see FIG. 1).

FIG. 6 is a block diagram showing a main circuit configuration of a distributed operation monitoring device composed of operation monitoring devices 1a to 6a. The operation monitoring devices 1a, 2a,. Connected through.

Each of the operation monitoring devices 1a, 2a,... Has the same configuration, and the first operation monitoring device 1a includes a display A11 as a display means for displaying an operation screen, and the screen storage units 8 to 1. A screen selection unit A12 for selecting and reading display data of two operation screens, and displaying an operation screen on the display A11 based on the display data of the operation screen read by the screen selection unit A12, and performing a touch operation by an operator. A transmission control unit A14 for controlling an input signal by the operation monitoring device 1a, and an operation permission flag based on an input operation of an operator (chief) when the operation monitoring device 1a is a master station, by the screen display control unit A13 and the transmission control unit A14. And an operation signal control unit A15 that outputs the data signal to the data bus 7 through the operation signal control unit A15.

The second operation monitoring device 2a includes a display B21, a screen selection unit B22, and a screen display control unit B.
23, a transmission control unit B24, and an operation signal control unit B25. Although not shown, the third operation monitoring device 3a to the sixth operation monitoring device 6a have the same configuration although not shown. I have.

The screen storage unit 8 stores the screen selection unit A14, the screen selection unit B22, the screen selection unit B22 so that the operation monitoring devices 1a, 2a,.
Are connected to each other. Screen display control unit A1
3 is provided with a parent-child selection unit A13a and a child screen selection unit a13b as selection units as shown in FIG. 3, and the screen display control unit of each of the other operation monitoring devices is similarly provided with the parent-child selection unit. Child screen selection means is provided.

In the operation monitoring apparatus in which the slave station is selected by the parent-child selection means, the display screen flag indicating the current operation screen displayed on the display is set via the data bus 7 by the parent-child selection means. Is transmitted to the selected operation monitoring device.

The data bus 7 has a control station 9
Are connected via the data bus 7 to each of the operation monitoring devices 1a, 2a,.
An input signal input based on the operation screen displayed on the display B21,... Is input to the control station 9 as an operation flag.

At this time, for example, when the parent station is selected by the parent / child selection means A13a of the first operation monitoring apparatus 1a and the child station is selected by the parent / child selection means in the second operation monitoring apparatus 2a, as shown in FIG. As shown in FIG. 7, AND logic of the operation flag output from the second operation monitoring device 2a and the operation permission flag output from the operation signal control unit A15 of the first operation monitoring device 1a is obtained. The control station 9 controls various driving devices such as plants based on the result of the AND logic.

The screen display control processing performed by the CPU provided in each of the screen display control units is performed as shown in FIG. This screen display control processing is the same as that of the above-described embodiment, and the description thereof is omitted here.

In this embodiment having such a configuration, first, generally, the chief selects a master station by the parent-child selection means A13a in the operation monitoring device 1a, and the other operators operate the respective operation stations arranged respectively. A slave station is selected by the parent-child selection means of the monitoring device. If necessary, for example, an operator arranged in another operation monitoring device may select the parent station by the parent-child selection means, or may use the parent-child selection means A13a to perform the driving operation by the chief. A station may be selected.

Each operator performs a shared operation on the basis of the selected operation screen. Regarding the operation of an important device such as a valve for controlling the flow of dangerous substances, which is particularly important in this driving operation, an operation permission flag from the first operation monitoring device 1a as a master station is transmitted via the data bus 7 to the control station. 9 is transmitted. Therefore, when the operator transmits an operation flag to the control station 9 via the data bus 7 by the operator operation of the slave station for the operation of the important device, the operation permission flag and the operation flag from the first operation monitoring device 1a are transmitted. AND logic is obtained, and the result of the AND logic is output to the control station 9.
Operation flag.

Therefore, unless the operation permission flag from the first operation monitoring device 1a indicates that the operation is permitted, the operation cannot be performed, and the operator cannot operate the operation of important devices alone. ing. In this embodiment having such a configuration, the same effect as that of the above-described embodiment can be obtained.

Further, an operation signal control section for outputting an operation permission flag to the control station 9 via the data bus 7 when the parent station is selected by the parent / child selection means is provided, and the child station is selected by the parent / child selection means. A of the operation flag and the operation permission flag output from the operation monitoring device
By using the result of the ND logic as an operation flag for the control station 9, the chief can manage the operation of important devices by each operator.

[0046]

As described in detail above, according to the present invention,
It is possible to provide a decentralized operation monitoring device in which the chief can accurately grasp the current operation operation status of each operator, and can take quick and accurate measures in an emergency.

[Brief description of the drawings]

FIG. 1 is a diagram showing an arrangement of each operation monitoring device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a main circuit configuration of the embodiment.

FIG. 3 is a block diagram showing an internal circuit configuration of a screen display control unit A of the embodiment.

FIG. 4 is an exemplary view showing a screen of a display device A when a window is displayed in the embodiment.

FIG. 5 is an exemplary view showing the flow of a screen display control process of the embodiment.

FIG. 6 is a block diagram showing a main part circuit configuration of another embodiment of the present invention.

FIG. 7 is a diagram showing a relationship between an operation flag from a slave station, an operation permission flag from a master station, and an operation flag to a control station in the embodiment.

[Explanation of symbols]

1a to 6a: operation monitoring device, 7: data bus, 8: screen storage unit, 11: display A, 12 ... screen selection unit A, 13 ...
Screen display control units A, 13a ... Parent / child selection means A, 13b ...
Sub-screen selection means A, 14 ... Transmission control unit A14.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H04Q 9/00-9/16 G06F 11/30 G06F 3/00 G05B 23/02

Claims (1)

(57) [Claims] A display device for displaying an operation screen for driving operation is provided, and a plurality of operation monitoring devices for processing information input for driving operation based on the operation screen displayed on the display device are provided by a data bus. In a distributed operation monitoring device that is connected to each other and performs operation processing by each operation monitoring device, at least one of the plurality of operation monitoring devices is a selection unit that selects a master station function or a slave station function. When the master station function is selected by the selection means, the operation screen currently displayed on each operation monitoring device is displayed on the display means based on information on the operation screen transmitted from each of the other operation monitoring devices. Display control means for displaying the information on the current operation screen for the operation monitoring apparatus for which the master station function is selected by the selection means. A distributed operation monitoring device comprising an operation screen information transmitting means for transmitting.