JPH08106367A - Data display device - Google Patents

Abstract

PURPOSE: To easily grasp the abnormality of an external storage device by displaying the contents of the abnormality on a display device once the external storage device becomes abnormal. CONSTITUTION: If the hard disk drive 11 of a graphic processing part 7 gets out of order, the result of a file check including the abnormality is left as a file. When the file abnormality is confirmed from a history of file checks, the contents of the abnormality are sent to a data file controller 13 from a monitor controller 10 through an Ethernet cable 6. A data processing part 8 stores the abnormality contents on a hard disk drive 14 temporarily once a data file controller 13 receives the abnormality contents. At specific time on a specific day after the abnormality occurrence, the abnormality contents are called by the data file controller 13 and displayed as a guidance screen on a monitor device 12. An operator can grasp what kind of abnormality occurs over a look at the screen.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data display device for displaying data stored in an external storage device in a monitor control device or the like.

[0002]

2. Description of the Related Art Modernized facilities such as buildings, plants, and highway networks have many equipments, and it is necessary to operate these equipments in cooperation with each other. It is necessary for the operation. Therefore,
It is desirable to be able to monitor the operating status of all facility equipment at a specific location and control all facility equipment from this particular location. Normally, a monitoring control device is used for monitoring and control. .

The supervisory control device generally includes a display device such as a CRT in order to monitor and control. Since the display device displays the data collected from each on-site facility, the operator can easily grasp the current situation of the facility equipment. Further, since the control input is also performed on the screen, it is possible to easily control the distributed equipment.

In the above display, the display data is temporarily stored in an external storage device such as a hard disk and then used for display. In particular, in the supervisory control device, since the amount of data accumulated in the external storage device is large, it is necessary to avoid the state where the external storage device becomes inoperable due to a failure or the like as much as possible.

[0005]

When a hard disk is used as the external storage device, a clear abnormality such as a power failure of the hard disk device or a disk crash can be easily grasped by the operator. However, the reading and writing of data is performed in a state where the operator cannot monitor, and even if a write error occurs, the operator cannot usually grasp it. Therefore, an abnormality such as that certain data is not written is
Only when the operator checks the file will it be known.

The present invention has been made in view of the above circumstances, and even when an abnormality occurs in the external storage device, the content of the abnormality is displayed on the display device so that the abnormality of the external storage device can be easily grasped. It is an object of the present invention to provide a data display device that can be used.

[0007]

The data display device of the present invention is provided with at least two display devices, which independently control the display of each display device, and are communicably connected to each other through a transmission line. In a data display device including a control device and an external storage device that is provided for each control device and stores data used for display on a display device, in order to solve the above problems, the following means are taken. It is characterized by being.

That is, in the data display device, the control device checks the file in the external storage device, and when the file check device detects an abnormality of the file, the content of the abnormality is displayed to another. It has transmitting means for transmitting to the control device and abnormal time display means for displaying the abnormal content of the file transmitted by the transmitting means on the display device.

[0009]

In the above structure, the file check means checks the file in the external storage device, and as a result, when an abnormality of the file is detected, some abnormality occurs in the data writing operation of the external storage device. I understand. At this time, the transmission means transmits the detection content of the abnormality to another control device. In the control device which has received the detected content, the abnormal state display means displays the detected content of the abnormality on the display device connected to the display device.

Therefore, even if the screen information itself is destroyed due to a file abnormality and cannot be displayed, by displaying the content of the abnormality on another display device as described above. The display device can detect an abnormality in the external storage device.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The following will describe one embodiment of the present invention with reference to FIGS. 1 and 2.

As shown in FIG. 1, the supervisory control apparatus according to this embodiment comprises a central station 1 and a local station 2.

The local station 2 has a plurality of distributed local controllers 3, ... And a system control unit 4. Local controller 3 ...
Collects and controls data of facility equipment (not shown) installed at each site, and is connected to each other in an annular shape together with the system control unit 4 by a transmission line 5. The system control unit 4 collects data from each local controller 3 and controls each local controller through a transmission line 5. Also, the system control unit 4
Are connected to an Ethernet cable 6 as a transmission line.

The central office 1 comprises a graphic processor 7 and a data processor 8. Graphic processing unit 7
Has a monitor device 9 as a display device, a monitor controller 10 as a control device, and a hard disk device (HD in the figure) 11 as an external storage device.
On the other hand, the data processing unit 8 has a monitor device 12 as a display device, a data file controller 13 as a control device, and a hard disk device (HD in the figure) 14 as an external storage device.

The monitor devices 9 and 12 each composed of, for example, a CRT are connected to the monitor controller 10 and the data file controller 13, respectively, and display a predetermined screen under the control of both controllers 10 and 13. There is. The monitor controller 10 and the data file controller 13 are both connected to the Ethernet cable 6, and communicate with each other through the system control unit 4 of the local station 2 and the Ethernet cable 6. The hard disk devices 11 and 14 are respectively the monitor controller 1
0 and the data file controller 13 and stores the screen information of the monitor control screen, the data collected from the local station 2, and the like.

Although hard disk devices 11 and 14 are often used as external storage devices of the monitoring and control device, other magnetic storage devices or optical storage devices such as optical disk devices or magneto-optical disk devices are used. You may use.

The graphic processing unit 7 has a function of instantly displaying the current status of the equipment on the monitor device 9 based on the data collected from the local station 2, and mainly performs an online operation. It is supposed to be done. Further, the graphic processing section 7 is adapted to transmit control data of each equipment to the local station 2. On the other hand, the data processing unit 8 obtains the integrated value of the measured values, the on-time data, the total operating time of the equipment and the like which are not handled by the graphic processing unit 7 by the arithmetic processing, and the result is monitored by a graph or the like. Device 12
It has a function to display in, and is designed to mainly perform offline operations.

By the way, the above monitor controller 10
The data file controller 13 has a function of displaying the contents of each abnormality on the other monitor devices 9 and 12 when the hard disk devices 11 and 14 are abnormal, as described below. Both controllers 10 and 13 are
The UINX is installed as an operation system, and the above display function is realized by utilizing the daily function and the send mail function of the UINX.

Specifically, both controllers 10 and 13
The daily function checks files on the hard disk devices 11 and 14 once a day, for example, and leaves the history as a new file.
It plays a role as a file check means. Further, when both controllers 10 and 13 determine that there is any abnormality in the file as a result of the file check, the send mail function sends the contents to the other controller 10 or 13 through the Ethernet cable 6. , Plays a role as a transmission means. Further, when both of the controllers 10 and 13 receive the abnormal content of the transmitted file, the both controllers 10 and 13 are adapted to display the content on the monitor device 9 and 12 regularly (for example, on a daily basis). Plays a role as.

The above-mentioned screen for displaying the details of the abnormality is a guidance screen including the details of the abnormality and the content for guiding the operator how to deal with the abnormality. The screen information that constitutes the guidance screen is also stored in the hard disk devices 11 and 14 like the screen information for other monitoring control.

In the supervisory control device configured as described above, the file check function of both controllers 10 and 13 checks the file status. For example, in the graphic processing unit 7, the hard disk device 1
If 1 fails, some abnormality has occurred in the file, and the result of the file check including this abnormality is left as a file.

When the above file abnormality is confirmed from the file check history, the content of the abnormality is transmitted from the monitor controller 10 to the data file controller 13 through the Ethernet cable 6. In the data processing unit 8, when the data file controller 13 receives the abnormality content, the abnormality content is temporarily stored in the hard disk device 14. Then, when the abnormality occurs on the day or on the next day, the details of the abnormality are called by the data file controller 13 and displayed on the monitor device 12 as a guidance screen. The operator sees the guidance screen, grasps what kind of abnormality has occurred, and further determines how to deal with it.

Whether or not the content of the abnormality is displayed is as follows.
It may be configured so that the operator can select. In this case, a symbol for selection is provided on the guidance screen, and the symbol can be changed by changing the symbol on the screen by the operator's input.

Further, in this embodiment, the monitor devices 9 and 12 are
Although the content of the abnormality is displayed on the display, not only the display but also a warning sound may be emitted when the content of the abnormality is received. In this case, even if there is no operator who monitors the monitor device 9 or the monitor device 12 on the receiving side, it is possible to make someone in the vicinity notice the abnormality by the warning sound. Moreover, since the content of the abnormality is also transmitted to the system control unit 4 of the local station 2 through the Ethernet cable 6, if the system control unit 4 emits a warning sound, the local station 2 can also detect the abnormality of the hard disk devices 11 and 14. You can figure it out.

Here, the processing procedure of the above operation will be described with reference to the flowchart of FIG.

First, on the transmitting side, a file check is performed on a regular basis (S1), and if an abnormality is found as a result (S2), the content of the abnormality is transmitted to the transmitting side (S).
3). At this time, if display is possible on the monitor device 9 or the monitor device 12 on the transmission side, the content of the abnormality is displayed. When the transmission is completed (S4), the S
The processing after 1 is performed.

On the other hand, the receiving side receives the abnormality content transmitted from the transmitting side (S11), and when the reception is completed (S12), the abnormality content is stored in the hard disk device 11 or the hard disk device 14. Is done (S1
3). Then, when it is on time (S14), the stored abnormality content is displayed on the monitor device 9 or the monitor device 12 (S15). After that, the processing shifts to S11 and enters a standby state in preparation for the next transmission.

In S15, the monitor device 9/12
“A hard disk error was found” is displayed on the screen, and the remedy for the error is displayed. This allows the operator to take action such as requesting assistance from maintenance personnel.

As described above, in the supervisory control device according to this embodiment, the abnormality content of the hard disk devices 11 and 14 can be displayed to easily grasp the abnormality. In addition, even if the screen information itself is destroyed due to an abnormality in the file and cannot be displayed, the content of the abnormality is transmitted and the content of the abnormality is displayed at another location, so that the hard disk device 1 can be displayed at that location.
It is possible to understand the abnormalities of 1.14.

[0030]

As described above, in the data display device of the present invention, when the control device checks the file in the external storage device and the file check device detects an abnormality of the file, It is configured to have a transmitting means for transmitting the content of the abnormality to another control device, and an abnormality display means for displaying the abnormality content of the file transmitted by the transmitting means on the display device. Therefore, it is possible to easily grasp the abnormal situation of the external storage device. In addition, even if the screen information itself is destroyed due to a file abnormality and becomes undisplayable, by displaying the content of the abnormality on another display device, the external storage device can be displayed on that display device. It is possible to grasp the abnormalities.

Therefore, by adopting the data display device of the present invention, it is possible to minimize the system stoppage or data loss due to the abnormality of the external storage device, and it is possible to improve the system reliability. Play.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a supervisory control device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a processing procedure for displaying abnormality contents of a hard disk device in the monitoring control device of FIG.

[Explanation of symbols]

6 Ethernet Cable (Transmission Line) 9 Monitor Device (Display Device) 10 Monitor Controller (Control Device, File Check Means, Sending Means, Abnormal Time Display Means) 11 Hard Disk Device (External Storage Device) 12 Monitor Device (Display Devices) 13 Data File controller (control device, file check means, transmission means, abnormal time display means) 14 hard disk device (external storage device)

Claims (1)

[Claims] 1. A display device provided with at least two display devices, a control device for independently controlling the display of each display device, and a control device connected to each other through a transmission path so as to communicate with each other, and a display device provided for each control device. In a data display device provided with an external storage device for storing data used for display of the device, the control device has a file check means for checking a file in the external storage device and a file check means for a file abnormality. When it is detected, it has transmitting means for transmitting the content of the abnormality to another control device, and abnormal time display means for displaying the abnormal content of the file transmitted by the transmitting means on the display device. A data display device characterized by: