JPH077774A - Supervisory and controlling device - Google Patents

Abstract

PURPOSE:To easily grasp the conditions of the entire system and to easily change display contents by respectively displaying screens for which one screen is divided into the number of arrangement by a display controller at plural display devices arranged closely with each other and displaying them as one screen as a whole. CONSTITUTION:Display and measurement data from slave stations are displayed at a display unit 2 formed by four CRTs 8a-8d arranged closely with each other as the monitoring information of the entire system. For that, a CRT controller 9 divides the one screen of the data into four and supplies them to the corresponding CRTs 8a-8d by a built-in CPU corresponding to an operation program stored in a built-in memory. Thus, the unit 2 functions as one CRT and displays the monitoring information at a large screen. Thus, the entire conditions can be easily grasped even in a large scale system, use as a substitute for a graphic panel is made possible and the change and extension of the display contents can be easily and quickly coped with.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to roads, electric power, water treatment,
The present invention relates to a supervisory control device that is provided to various plants such as buildings and factories and that remotely controls and monitors various facilities.

[0002]

2. Description of the Related Art For example, on a highway, various equipment such as power receiving and distribution equipment, private power generation equipment, lighting, disaster prevention equipment, and traffic volume measuring equipment are concentrated to efficiently operate, maintain, and manage the road. Often monitored and controlled. Further, in high-rise buildings such as buildings and in factories where automation has advanced, facility equipment such as air conditioners and lighting facilities are centrally monitored and controlled.

Such monitoring control is connected to a master station for remote control and monitoring of the equipment connected to the slave station and to various equipment, and inputs display / measurement data from the equipment to the master station. This is performed by a supervisory control device that includes a slave station that transmits the control data from the master station to the equipment, and a communication path that connects the master station and the slave station.

In such a supervisory control device, the master station has a function of displaying the display / measurement data received from the slave station on the display unit in order to monitor the change in state of the equipment with time.

The display unit is usually a CRT.
(Cathode-Ray Tube) is used. As shown in FIG. 3, one CRT 51 has one CRT controller 5
2 is connected, and the CRT controller 52 displays the transition of the state of the equipment on the CRT 51 according to an instruction from the control unit of the master station (not shown).

[0006]

By the way, various types of equipment such as power receiving and distribution equipment, private power generation equipment, lighting, disaster prevention equipment, and traffic volume measuring equipment are arranged over a number of kilometers on a highway. It is necessary to monitor and control many equipments. As described above, when constructing a large-scale supervisory control system in which the number of facilities to be monitored is very large, one CRT 51 is connected to one CRT controller 52 as described above, and the facilities to be monitored are connected to the CRT 51. If the display unit configured to display the monitoring information of 1 is used, the monitoring information of the entire system cannot be displayed.

That is, if the display screen of the CRT 51 is enlarged, the resolution is lowered, and if the reduction of the resolution is tried to be improved, the display speed is lowered.
There is a limit to the size of the display screen of 1 and one CRT 5
With No. 1, only a part of the whole system can be displayed. For this reason, when constructing a large-scale monitoring control system, it is necessary to display by a plurality of CRTs 51. In this case, however, the monitoring information of the entire system is distributed and displayed on each CRT 51. The problem arises that it is difficult to grasp the overall situation of.

Therefore, in the large-scale supervisory control system as described above, in order to display the supervisory information of the entire system, a simulated diagram of the system to be supervised is provided on the panel, and instruments, display lamps, alarm lamps, etc. are provided. A built-in graphic panel is used.

However, in the case of using the above graphic panel, if the monitoring data that needs to be displayed is added by the expansion of the equipment to be monitored, for example, the graphic panel needs to be changed, and the displayed contents can be easily displayed. There is a problem that cannot be changed.

The present invention has been made in view of the above, and an object thereof is to provide a large-scale supervisory control system,
An object of the present invention is to provide a monitoring control device capable of displaying the entire system and easily changing the display content.

[0011]

The monitor control device of the present invention comprises a display means for displaying the monitor information of the equipment to be monitored. In order to solve the above problems, the following means are provided. It is characterized by having taken it.

That is, the display means divides a plurality of display devices (for example, CRTs) arranged close to each other to display one screen and one screen into the number of installed display devices. And a display control device for displaying the split screen on the plurality of display devices.

[0013]

According to the above construction, since one large screen is formed by a plurality of display devices, the number of facilities to be monitored is very large (the amount of monitoring information that needs to be displayed is very large). Even when constructing a monitoring control system, it is possible to display monitoring information of the entire system on one screen. That is, the plurality of display devices can be used as substitutes for the graphic panel, and it is easier to grasp the overall situation of the system as compared with the display using the conventional CRT.

Further, even if it is necessary to change the display contents due to, for example, the addition of equipment to be monitored,
By modifying the display pattern on the screen, it is possible to easily and promptly deal with the change of the display content.

[0015]

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. 2, the monitoring control apparatus according to the present embodiment basically has a master station 1, a slave station 10, and a communication for connecting the master station 1 and the slave station 10. And the path 15.

The master station 1 has an input / output (I / I) connected to a display unit 2 and a console 3 as display means described later.
O) A control unit 5 which is composed of a unit 4 and a microcomputer and performs a control transmission process and a display / measurement reception process, converts a serially input signal into a parallel signal, and converts the parallel input signal into a serial signal. Serial-to-parallel / parallel-to-serial conversion unit (hereinafter,
SPS unit 6) and a frequency modulation / demodulation unit (hereinafter, referred to as F
S unit) 7 is provided for remote control and monitoring of equipment connected to the slave station 10.

The slave station 10 includes an input / output unit 11 connected to various equipments, a control unit 12 composed of a microcomputer for performing control reception processing and display / measurement transmission processing, an SPS unit 13, and an FS.
The unit 14 is provided and inputs display / measurement data from the connected equipment and transmits it to the master station 1, and outputs control data from the master station 1 to the equipment.

As shown in FIG. 1, the display unit 2 of the master station 1 has four CRTs (display devices) 8a to 8d arranged close to each other for displaying one screen and one screen. Is divided into four corresponding to the above four CRTs 8a to 8d,
CRT for displaying each split screen on the CRTs 8a to 8d
It is composed of a controller (display controller) 9. That is, the CRT controller 9 is the four CRTs described above.
8a to 8d are virtually regarded as one CRT, and four CRTs
One screen is displayed by the RTs 8a to 8d.

The CRT controller 9 stores an operation program, a memory for temporarily storing display / measurement data, and a CPU (Central Processing U) for executing the operation program stored in the memory.
and a display pattern program for displaying monitoring information of the entire system on one screen.

The operation of the supervisory controller having the above structure will be described below.

As shown in FIG. 2, the display / measurement data from the equipment connected to the slave station 10 is obtained by the input / output unit 1.
1 into the control unit 12. The control unit 12 outputs the display / measurement data to the SPS unit 13 after exchanging the display / measurement data into a predetermined data format. The SPS unit 13 converts the parallel display / measurement data from the control unit 12 into serial data and outputs it to the FS unit 14. The FS unit 1
Reference numeral 4 frequency-modulates the display / measurement data from the SPS unit 13 and sends it to the communication path 15.

The display / measurement data transmitted from the slave station 10 is transmitted to the master station 1 through the communication path 15. In the master station 1, the received display / measurement data is frequency-demodulated by the FS unit 7 and output to the SPS unit 6. Above SP
The S unit 6 converts the display / measurement data from the FS unit 7 into parallel data and outputs it to the control unit 5. The control unit 5 performs sign verification and displays
Display unit 2 for measuring data via input / output unit 4
Output to.

In the display unit 2, the display / measurement data is input to the CRT controller 9 as shown in FIG. This CRT controller 9 has four CRTs.
In order to display the monitoring information of the entire system on one large screen formed of 8a to 8d, the CRTs 8a to 8d described above are displayed.
The display operation of d is controlled, and the CRTs 8a to 8d are caused to perform display based on the display / measurement data sequentially input.

As described above, the monitoring control apparatus of this embodiment has the display unit 2 for displaying the monitoring information of the equipment to be monitored.
And the display unit 2 is
Four CRTs 8a to 8d arranged close to each other to display a screen, and a CRT controller 9 that divides one screen into four corresponding to the CRTs 8a to 8d and displays each divided screen on the CRTs 8a to 8d. It is a configuration having and.

As a result, one large screen is formed by the four CRTs 8a to 8d, so that a large-scale monitoring in which the number of equipments to be monitored is extremely large, such as a monitoring control device for monitoring and controlling highway equipment. Also in the control system, 1
It becomes possible to display the monitoring information of the entire system on one screen, and the CRTs 8a to 8d can be used as substitutes for the graphic panel, and the overall status of the system can be grasped as compared with the display using the conventional CRT. easy.

Further, in the case of the graphic panel which has been conventionally used, if the monitoring data which needs to be displayed is added by the expansion of the equipment to be monitored, the graphic panel needs to be changed, and the display is easy. Although the contents could not be changed, in the display unit 2, the display contents can be changed easily and quickly by only partially changing the display pattern program stored in the memory of the CRT controller 9. Can handle.

In this embodiment, four CRTs 8a-8a are used.
Although one large screen is formed by d, the present invention is not limited to this. That is, the number of CRTs forming one screen is not particularly limited as long as it is plural, and may be two, three, five or more, for example.

In this embodiment, the display device is a CR.
Although T8a to 8d are used, other display devices such as a liquid crystal display can also be used.

The above-described embodiments are intended to clarify the technical contents of the present invention, and should not be construed in a narrow sense by limiting to such specific examples. Various modifications can be made within the scope of the claims.

[0031]

As described above, the monitor control device of the present invention is provided with the display means for displaying the monitor information of the equipment to be monitored, and the display means is for displaying one screen. A plurality of display devices arranged close to each other,
The display control device is configured to divide one screen into the number of installed display devices and display each divided screen on the plurality of display devices.

Therefore, since one large screen is formed by a plurality of display devices, a large-scale supervisory control system in which the number of facilities to be supervised is very large (the amount of supervisory information that needs to be displayed is very large) is provided. Even in the case of construction, it becomes possible to display the monitoring information of the entire system on one screen, and the plurality of display devices can be used as substitutes for the graphic panel. Therefore, compared with the display using the conventional CRT. Easy to grasp the overall status of the system. Further, for example, even when it is necessary to change the display content due to the addition of the equipment to be monitored, the display pattern can be changed easily and quickly by modifying the display pattern in one screen. Produce an effect.

[Brief description of drawings]

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

FIG. 2 is a block diagram showing a schematic configuration of a display unit of the monitoring control device.

FIG. 3 shows a conventional example and is a block diagram showing a configuration of a display unit of the monitoring control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 master station 2 display unit (display means) 8a-8d CRT (display device) 9 CRT controller (display control device) 10 slave station 15 communication path

Claims (1)

[Claims] 1. A monitoring control device comprising display means for displaying monitoring information of equipment to be monitored, wherein the display means comprises a plurality of display devices arranged close to each other for displaying one screen. A monitor control device, comprising: a display control device that divides one screen into the number of installed display devices and displays each divided screen on the plurality of display devices.