JPH09305880A - Monitoring and controlling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To let an operator speedily deal with abnormality by storing the relation of correspondence between information sent from various kinds of installed equipment and emergency levels at the time of abnormality generation and displaying an alarm for each emergency level when abnormality is generated. SOLUTION: An alarm signal transmitted from a terminal station to a central station contains point information reporting an operate relay. A processing part 6 at the central station stores an emergency managing table 12. The table 12 shows the relation of correspondence between the information of the relay and the emergency level of abnormality. By making a detecting signal correspondent to the table 12, it is judged by a discrimination part 11 whether the emergency level of abnormality is a fault level or an alarm level. The emergency level can be set separately for arbitrary stages. A display control part 13 outputs the alarm corresponding to the emergency level through the display of a display device 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supervisory control device for remotely controlling and monitoring various plants such as water treatment, electric power, roads, buildings and factories.

[0002]

2. Description of the Related Art In recent years, in various plants as described above, in order to efficiently operate, maintain, and manage the plants, various equipments of the plant have been centrally monitored and controlled at remote locations. ing.

In such a supervisory control, as shown in FIG. 5, a central station 51 for remotely controlling and monitoring various equipments of a plant (not shown) connected to a terminal station 52 via the terminal station 52. And the monitoring information (display / measurement information and abnormality information) from the equipment is transmitted to the central station 51 and the terminal station 52 that controls each equipment based on the control information received from the central station 51. And the central station 51 and the terminal stations 52 ... Are connected to each other via a transmission line or the like so that they can communicate with each other. The central station 51 is provided with a display device 53 such as a graphic panel and a display, and an input device 54 for performing control input and the like, and when any abnormality occurs, the resident operator takes measures.

Each of the above equipments is equipped with a large number of relays for opening and closing circuits, and these relays are automatically operated by a control signal from the central office 51 or when a preset condition is satisfied. . When the relay operates, the processing unit of the terminal station 52 monitoring the relay changes the signal (for example, turning the switch OFF / ON).
Of the relay that operated, the point information (station number of the terminal station, board number of the I / O board to which the relay is connected, port number of the port to which the relay is connected) and operation status ( Switch ON / O
The detection signal including the contents such as FF status) is transmitted to the central office 51 via the transmission line. Also, in the case of analog control such as monitoring control of temperature and voltage, the measurement signal including the point information of the monitoring control target and the analog measurement value such as the temperature and voltage value of the monitoring control target is the terminal station. The signal is transmitted from 52 to the central office 51 via the transmission path.

When an abnormality occurs in the circuit section of the equipment, one or more relays are automatically operated to disconnect the location of the abnormality, and the terminal station 52 which detects the operation of the relay is detected. The above-mentioned detection signal is sent from the processing unit to the central office 51. As shown in FIG. 6, in the processing unit 56 of the central office 51, a setting unit 59 in which information on the relays that operate when an abnormality occurs is preset, and a determination unit 58 that determines an abnormal portion based on the setting unit 59. Is provided. When the detection signal is received from the terminal station 52, the processing unit 56 of the central office 51 associates the information set in the setting unit 59 with the detection signal to detect the occurrence of an abnormality in the circuit unit and to detect an abnormality. Identify where it occurred.

On the other hand, when an abnormality occurs in the monitoring control object that is performing analog control, the analog measurement value included in the measurement signal transmitted to the central office 51 is the normal value set in the setting section 59. By being out of range,
An abnormality is detected by the determination unit 58. Similarly, the location of the abnormality is identified from the point information included in the measurement signal.

As described above, when the occurrence of an abnormality in each equipment is detected, the display controller 60 sounds an alarm,
An abnormal alarm such as a display of a failure list on the graphic panel or the display of the display device 53 is issued to notify the operator of the abnormal occurrence. Then, information on the location of the abnormality is displayed on the display device 53 by the operation of the operator. The operator who receives the abnormality alarm directly checks the location where the abnormality has occurred, determines the emergency level of the abnormality, and then responds according to the emergency level.

[0008]

However, in the above-mentioned conventional configuration, even if an urgent abnormality occurs in each equipment connected to the terminal station 52 ... It is not possible to make a judgment regarding the emergency level, such as whether it is a failure level that requires immediate repair or a warning level that requires simpler measures than the failure level, and all abnormalities that require urgency can be determined. Listed as failures (see FIG. 6).

Therefore, from the alarm display displayed on the display device 53 of the central office 51, information other than the location of the abnormal situation cannot be obtained, and the operator who receives the abnormal situation alarm at the central office 51 recovers the abnormality. Before performing work, it is necessary to confirm the location of the abnormality and determine the urgent level of the abnormality. Especially when multiple abnormalities occur at the same time,
In the above-described conventional method, since various urgent level abnormalities are mixedly displayed, if the operator himself / herself judges the urgent level of each abnormality as described above, it is possible to find an abnormality with a high urgent level. It is not easy, and it is difficult to take quick recovery measures in an appropriate order of response according to the emergency level.

The present invention has been made in view of the above, and an object thereof is to display an alarm for each emergency level in an alarm display when an abnormality occurs so that an operator can quickly respond to the abnormality. To provide a simple monitoring control device.

[0011]

According to a first aspect of the present invention, there is provided a supervisory control apparatus, wherein a central station and a terminal station for transmitting input information from various equipments to the central station are communicably connected to each other, and the equipments are installed. The occurrence of abnormalities is displayed at the central station, and the following means are taken to solve the above problems.

That is, at least one of the central station and the terminal station, storage means for storing information on the correspondence between the input information from the equipment and the emergency level in the event of an abnormality, and the input from the equipment. The determination means for determining the emergency level based on the information and the correspondence stored in the storage means is provided, and the central station
There is provided alarm display means for displaying an alarm for each level according to the emergency level judged by the judging means.

According to the above construction, the storage means stores the correspondence relation between the information sent from each equipment and the emergency level in the occurrence of an abnormality, and based on this, the determination means detects the occurrence of the abnormality. The emergency level of the abnormality is judged. When the urgent level is judged by the judging means, the alarm display means carries out an alarm operation for displaying each level according to each urgent level. The alarm display allows the operator to know the urgent level of the abnormality that has occurred.
Can take prompt and appropriate action.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an embodiment of the invention.
The following is a description based on FIG.

As shown in FIG. 2, the supervisory control device according to the present embodiment has a configuration in which a central station 1 and terminal stations 2 ... Are communicably connected via a transmission line. Although FIG. 1 shows an example in which three terminal stations are connected to one central station, the number of central stations and terminal stations may be any number as long as it is one or more. Further, when the total number of central stations and terminal stations is three or more, the topology of the network formed by the central stations and the terminal stations is shown here as an example in which they are connected in a ring shape, but a bus shape, etc. , And the topology of the network is not particularly limited.

The central office 1 includes an input / output controller 5 connected to a display device 3 such as a graphic panel or a display, and an input device 4 such as a man-machine interface for performing various operation inputs including control inputs, and a micro controller. It is configured by a computer or the like and includes a processing unit 6 that performs control data transmission processing and display data reception processing and the like, and a transmission / reception unit 7. Remote control of various facility equipment (not shown) connected to the terminal station 2 ... Monitor.

Each of the above-mentioned terminal stations 2 is composed of an input / output control unit 8 for controlling input / output to / from each facility equipment, a processing unit 9 for performing control data reception processing and display data transmission processing, and a processing unit 9. The transmitter / receiver 10 is provided.

The control information input from the input device 4 of the central office 1 is taken into the processing unit 6 via the input / output control unit 5, converted into a predetermined transmission format in the processing unit 6, and then transmitted / received. It is sent to the terminal station 2 via 7. In the terminal station 2, the processing unit 9 takes in the control information from the central station 1 via the transmission / reception unit 10, and controls the facility equipment via the input / output control unit 8 based on the control information (for example, contact Switching between ON and OFF).

When the display information for each equipment is input to the terminal station 2 via the input / output control unit 8, the processing unit 9 of the terminal station 2 converts the display information into a predetermined transmission format. After that, it is transmitted to the central office 1 via the transmitting / receiving unit 10. In the central station 1, the processing unit 6 receives the display information from the terminal station 2 via the transmitting / receiving unit 7, and outputs the display information to the display device 3 such as a graphic panel or a display via the input / output control unit 5. Therefore, the display device 3 displays real-time display information sent from the terminal stations 2.

The operator is permanently stationed in the central office 1 and checks the current state of each facility equipment to be monitored and controlled while observing the display state of the display device, and inputs control information as necessary to enter each facility equipment. Perform remote control operation of.

Each of the above equipments is equipped with a large number of relays for opening and closing circuits, and these relays are connected to the input port or output port of the input / output board of the terminal station 2. Each of the above terminal stations 2 has a large number of input / output boards, and each input / output board has a plurality of input ports and output ports. Each of the above relays is connected to a different port. Also, each of the above terminal stations,
Each I / O board and each port has a station number,
It has a board number and a port number.

The relay is automatically activated by a control signal from the central office 1 or by satisfying a preset condition. When the relay operates, the processing unit of the terminal station 2 that monitors the relay detects a signal change (for example, switch OFF / ON), and point information of a point to which the operated relay is connected ( A detection signal including contents such as a station number, a board number, a port number) and an operation status (switch ON / OFF status) is transmitted to the central station 1 through a transmission path.

In the case of analog control for monitoring and controlling temperature and voltage, contents of analog measurement values such as temperature and voltage values to be monitored and controlled, and point information of points at which the measurement values rise. A measurement signal including “” is transmitted from the terminal station 2 to the central station 1 via the transmission path.

Upon receiving the detection signal and the measurement signal, the central station 1 determines the emergency level based on the signals. The method of determining the emergency level will be described in detail with reference to FIGS. 1, 3 and 4.

When an abnormality occurs in the circuit portion of each of the above-mentioned equipment, one or two are provided to separate the location of the abnormality.
One or more relays automatically operate, and a detection signal is sent from the processing unit 9 of the terminal station 2 that detects the operation of the relays to the central station 1. When the relay that has operated when an abnormality occurs can be identified, the location of the abnormality can be known accordingly.
Further, the emergency level of the abnormality is limited depending on the place where the abnormality occurs. That is, if the relay that has been activated when the abnormality occurs can be identified, it is possible to identify the emergency level of the abnormality that has occurred. As described above, the alarm signal transmitted to the central office 1 includes the point information for notifying the operating relay, so that the emergency level of the abnormal portion can be known.

As shown in FIG. 1, the processing section 6 of the central office 1 has an emergency management table 12 stored in a memory section (not shown) as a storage means. As shown in FIG. 3 as an example, the emergency management table 12 shows a correspondence relationship between relay information and the emergency level of the abnormality.
The information of the emergency management table 12 is stored in an external storage device (not shown) or the like, and is copied to a memory such as a RAM in the processing unit 6 when the power of the central office 1 is turned on. The detection signal is sent to the emergency management table 12
By making it correspond to
At, an emergency level is determined such as whether the emergency level of the abnormality is a failure level or a warning level.
The emergency level can be set in any stage. However, when the information of the detection signal sent to the central office 1 is not set in the emergency management table 12, it is determined to be normal. The determination unit 11 is a functional module including a memory that stores a predetermined program and a CPU that executes the program in the memory.

On the other hand, in the case of analog control, the analog measurement value and point information of the monitoring control target are transmitted to the central office 1 as measurement signals as described above. In the memory unit of the processing unit 6, as shown in FIG. 4 as an example, an emergency management table 12 indicating a correspondence relationship between the measurement signal (point information and analog measurement value) of the monitoring control target and the emergency level of the abnormality is preset. Has been done. By making the measurement signal correspond to the emergency management table 12, the determination unit 11
The emergency level is judged in.

When the determination section 11 determines the emergency level, the display control section 13 outputs an alarm corresponding to the emergency level through the display of the display device 3 or the like. In the case of the serious failure level of the emergency level 1 (the same applies to the minor failure level of the emergency level 3), the processing unit 6 sounds an alarm (a warning sound can be used to distinguish between a major failure and a minor failure). In addition, a list of failure points is displayed on the display device 3. Further, if necessary information is stored in the memory in the processing unit 6, more detailed abnormality content information of the emergency level (display of the repaired circuit section, operator's response, etc.) can be performed by the operator's subsequent operation based on the information. (Procedure, failure occurrence time, etc.) can be displayed. The operator repairs the device in which the abnormality has occurred according to the given information and restores the device. The alarm display means is composed of the display controller 13 and the display device 3.

When the warning level is the emergency level 2, the processing unit 6 sounds an alarm and displays a list of warning points on the display device 3 as in the case of a failure. Thereafter, the operator's operation or the like displays more detailed abnormality content information of the warning content. The operator takes action to recover the warning according to the given information, and cancels the warning of the device. For other emergency levels,
Display according to each level and appropriate treatment is given. When a plurality of abnormalities occur at the same time, the emergency levels of all the abnormalities are determined and listed by emergency level (see FIG. 1).

In this way, when any abnormality occurs in each equipment, the emergency level of the abnormality is judged in the supervisory control device, and an alarm is displayed for each emergency level. It is not necessary to judge the urgent level of the contents, and it is possible to take prompt and appropriate recovery measures. In particular, when a plurality of abnormalities occur at the same time, it is desirable to process the abnormalities with a higher emergency level, but in the present embodiment, it becomes extremely easy.

In the embodiment shown here, the emergency management table 12 and the determination unit 11 as the determination means are provided in the central station 1, but these are provided in each terminal station 2 ,. Each terminal station 2 may judge the emergency level and send an alarm signal including the information on the emergency level to the central station 1. However, in this case, the station number as the point information in the emergency management table 12 in FIGS. 3 and 4 is unnecessary.

[0032]

As described above, the supervisory control device of the present invention provides the information about the correspondence between the input information from the equipment and the emergency level at the occurrence of an abnormality to at least one of the central station and the terminal station. A storage means for storing, a determination means for determining an emergency level based on the input information from the equipment and the correspondence stored in the storage means are provided, and the central station is provided with the determination means. According to the determined emergency level, an alarm display means for displaying an alarm for each level is provided.

Therefore, when some abnormality occurs in each equipment constituting the monitoring control device, the central station automatically determines the emergency level of the abnormality and displays an alarm for each emergency level. It Therefore, the operator can take prompt action when recovering from an abnormality.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating an embodiment of the present invention, and is a block diagram illustrating a configuration of a main part of a processing unit of a central station of a monitoring control device.

FIG. 2 is a block diagram showing a configuration of a main part of the monitoring control device.

FIG. 3 is an explanatory diagram of an emergency management table in relay control.

FIG. 4 is an explanatory diagram of an emergency management table in analog control.

FIG. 5 is a block diagram illustrating a configuration of a main part of a conventional monitoring control device.

FIG. 6 is a block diagram showing a configuration of a main part of a processing unit of a central station in a conventional monitoring control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Central station 2 Terminal station 3 Display device (alarm display means) 6 Processing part 11 Judgment part (judgment means) 12 Emergency management table 13 Display control part (alarm display means)

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Claims (1)

[Claims] 1. A supervisory controller for displaying an occurrence of an abnormality in the above-mentioned equipment at the central station, which is communicably connected to a central office and a terminal station for transmitting input information from various equipment to the central office. At least one of the central station and the terminal station, storage means for storing the information of the correspondence between the input information from the equipment and the emergency level in the occurrence of an abnormality, the input information from the equipment, the storage Judgment means for judging the emergency level based on the correspondence relationship stored in the means is provided, and the central station is provided with an alarm display means for displaying an alarm for each level according to the emergency level judged by the judgment means. A monitoring and control device comprising: