JPH04355596A - Installation state management system - Google Patents

Abstract

PURPOSE:To prevent an erroneous state of a relating device from being given to an application section even when a request of installation variable information comes from the application section just after a fault takes place in a repeater or the like. CONSTITUTION:An installation variable information section 111 of an installation management section 11 of a central monitor stores only an installation state 111B. When a fault takes place in an installation controller or a repeater, a relevant equipment state 121A of an equipment variable information section 121 of an equipment management section 12 of the central monitor is revised into a value representing a fault. On the other hand, when a request of installation variable information comes from an application section 13, the relevant installation state 111B of the installation variable information section 111 of an installation management section 11 is informed as an installation state 131B of the installation variable information 131. Moreover, the equipment information relating to the installation is acquired from the relation equipment information 112A of the equipment variable information section 121 of the equipment management section 12, the relating equipment state is generated from the equipment state 121A of the equipment variable information section 121 of the equipment management section 12 and informed as the relating equipment state 131A of the installation variable information 131.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an equipment status management method in an equipment monitoring and control system.

0002

2. Description of the Related Art FIG. 2 shows the overall configuration of an equipment monitoring and control system that monitors and controls equipment 5, and includes a plurality of equipment control devices 4 that directly control a plurality of equipment 5, and an equipment control device. A plurality of relay devices that hierarchically relay the n-th line 9 of 4 (n-1 that relays the n-1 line 8 and the n-th line 9)
Next/nth line relay device 3,..., primary line 6 and secondary line 7
It consists of a primary/secondary line relay device 2) that relays between the primary and secondary lines 6, and a central monitoring device 1 that is connected to the primary line 6 and monitors and controls the entire system.

FIG. 3 shows a general configuration of the central monitoring device 1 in FIG. 7, ..., n-1st order line 8, n-th order line 9), an equipment management unit 1 that manages the equipment control device 4 and the relay device;
2, an application section 13 for performing management and control according to user requests, a line control section 14 for controlling the line, and an other management/control section 15 for performing other management and control. ing.

By the way, there are cases where it is necessary to know the status of a certain piece of equipment 5 in the control of the application unit 13, and in that case, the application unit 13 makes a request for equipment variable information to the equipment management unit 11. .

[0005] Here, the equipment variable information is composed of equipment status and related equipment status, where the equipment status represents the status of the corresponding equipment 5, and the associated equipment status represents the equipment 5 and the central monitoring device 1. equipment control device 4 existing in the route between
This indicates the status of the relay devices 2 and 3, such as a failure. Note that the related equipment status is included in the equipment variable information because it is necessary to confirm whether or not control is possible and the authenticity of the equipment status.

FIG. 4 shows the configuration of the equipment management unit 11 of the central monitoring device 1 for providing the above-mentioned equipment variable information and the manner in which the equipment variable information is provided to the application unit 13 in a conventional system. .

That is, the equipment management section 11 includes an equipment variable information section 111 that is logically divided for each piece of equipment 5, and an equipment fixed information section 112 that is also logically divided for each piece of equipment 5. The information section 111 contains related device status 111A.
and the equipment status 111B, and the equipment fixed information section 112
holds related device information 112A and equipment specific information 112B.

[0008] Here, the related equipment status 111A of the equipment variable information unit 111 represents the status of equipment control equipment 4, relay equipment 2, 3, etc., which are present on the path between the corresponding equipment 5 and the central monitoring equipment 1, such as failure. The equipment status 111B represents the status of the corresponding equipment 5. In addition, the related device information 112A of the equipment fixed information section 112 represents equipment numbers, etc. that identify the equipment control device 4, relay devices 2, 3 existing on the path between the corresponding equipment 5 and the central monitoring device 1, and is unique to the equipment. Information 112B represents details regarding the corresponding equipment.

In operation, in the central monitoring device 1, when there is a change in the status of a certain piece of equipment 5, the equipment variable information section 111
The corresponding equipment status 111B is updated. Furthermore, when a failure occurs in the equipment control device 4 or the relay devices 2 and 3, the device status (not shown) in the device variable information section of the device management section 12 is updated to a value indicating the failure, and information related to the failed device is updated. All related device statuses 111A of the facility variable information section 111 corresponding to the facility 5 to be updated are updated.

[0010] When the application unit 13 requests equipment variable information for a certain equipment 5, the equipment management unit 11
The equipment status 111B and the related device status 111A are extracted from the equipment variable information section 111 corresponding to the equipment 5, and the equipment status 131 of the equipment variable information 131 is retrieved through the path 110.
B and related device status 131A.

[0011]

[Problems to be Solved by the Invention] As described above, conventionally, when there is a request for equipment variable information of a certain equipment 5 from the application section 13, the equipment management section 11 requests the equipment 5.
Equipment status 111B from equipment variable information section 111 corresponding to
and related equipment status 111A as is as equipment variable information 13
1 equipment status 131B and related device status 131A, which had the advantage of being able to respond quickly, but had the following drawbacks due to the information management structure.

[0012] That is, the equipment control device 4, the relay device 2,
When a failure occurs in 3, equipment 5 related to the failed device
Related equipment status 111 of equipment variable information section 111 corresponding to
All A is updated, but in that case, there may be many places to update (if the failure is in a higher-level relay device, it is necessary to update all of the related device status 111A of the equipment 5 under it). ), it takes a very long time to complete the update due to the search and data rewriting.

[0013] Therefore, if the application unit 13 requests equipment variable information regarding the equipment 5 belonging to the failed equipment before the update is completed, that is, immediately after a failure occurs in the equipment, at that point the update is not yet completed. The related device status 111A that has not been completed may be read out, and there is a risk of erroneously recognizing a malfunctioning device as normal.

[0014] The present invention has been proposed in view of the above points, and its purpose is to transmit equipment variable information regarding equipment belonging to the failed equipment from the application section immediately after a failure occurs in the equipment. An object of the present invention is to provide an equipment status management method that does not give incorrect related equipment status even if there is a request.

[0015]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a plurality of equipment control devices that directly control a plurality of facilities, and a plurality of equipment control devices that hierarchically relay the n-th line of the equipment control devices. In an equipment monitoring and control system that monitors and controls equipment, consisting of a relay device and a central monitoring equipment that is connected to the primary line and monitors and controls the entire system, the equipment variable information section of the equipment management department of the central monitoring equipment It maintains only the equipment status, and when a failure occurs in the equipment control device or relay device, the corresponding equipment status in the device variable information section of the device management section of the central monitoring device is updated to a value indicating the failure. When there is a request for equipment variable information from the application department, the corresponding equipment status is notified from the equipment variable information section of the equipment management department, and the equipment related to the equipment is notified from the related device information of the equipment fixed information section of the equipment management department. Each of them has a feature in that information is acquired and a related device status is created and notified from the device status of the device variable information section of the device management section.

[0016]

[Operation] In the equipment status management system of the present invention, only the equipment status is held in the equipment variable information section of the equipment management section of the central monitoring device. When a failure occurs in the equipment control device or the relay device, the corresponding device status in the device variable information section of the device management section of the central monitoring device is updated to a value indicating the failure. On the other hand, when there is a request for equipment variable information from the application department, the equipment status of the equipment is notified from the equipment variable information section of the equipment management department, and information related to the equipment is reported from the related device information of the equipment fixed information section of the equipment management department. The relevant device status is created from the device status in the device variable information section of the device management section and notified.

[0017]

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the equipment status management system of the present invention, and shows an equipment management section 11, an equipment management section 12, and an application section 13 in the central monitoring device 1. As shown in FIG. The overall configuration of the equipment monitoring and control system and the internal configuration of the central monitoring device 1 are shown in FIG.
and similar to FIG.

In FIG. 1, one feature of this embodiment is that only the equipment status 111B is held in the equipment variable information section 111 of the equipment management section 11 of the central monitoring device 1. Note that the equipment fixed information section 112 and its stored information, related device information 112A and equipment unique information 112B, are the same as those described in FIG. 4.

The device management section 12 has conventionally existed, and includes a device variable information section 121 that is logically divided for each device, and a device fixed information section that is also logically divided for each device. 122, the device variable information section 121 holds a device status 121A representing the state of the corresponding device, and the device fixed information section 122 stores device-specific information including information that specifies devices etc. that belong to the device. 122A is retained.

[0021] During operation, if a failure occurs in the equipment control device 4 or the relay devices 2 and 3, the central monitoring device 1
Refer to the device specific information 122A in the device fixed information section 122 of the device management section 12, grasp the device group belonging to the failed device, and respond to the failed device and its subordinate device group in the device variable information section 121. The device status 121A is updated. Note that the search is easy, and since there is only one update location per device, the update process can be completed in an extremely short time.

After that, when there is a request for equipment variable information of a certain equipment 5 from the application section 13, the central monitoring device 1 retrieves the corresponding equipment status 111B from the equipment variable information section 111 of the equipment management section 11 via the path 110A. , the equipment status 131B of the equipment variable information 131 given to the application unit 13.

[0023]Furthermore, the equipment fixed information section 1 of the equipment management section 11
From the related device information 112A of 12, the device information related to the equipment 5, that is, the equipment control device 4 controlling the equipment 5 and the relay devices 2 and 3 relaying the line, is obtained through the path 110B. The number is acquired, and based on this information, a related device status is edited and created from the corresponding device status 121A in the device variable information section 121 of the device management section 12, and equipment variable information 131 is given to the application section 13 via the path 120. The associated device status 131A is assumed to be 131A.

Therefore, even if there is a request for equipment variable information from the application section 13 immediately after a failure occurs in a certain device, the updating of the equipment status 121A in the equipment variable information section 121 of the equipment management section 12 is completed promptly. and related equipment status 13 of equipment variable information 131 created based on it.
1A indicates accurate information.

[0025]

[Effects of the Invention] As explained above, the equipment condition management system of the present invention has the following effects.

■ Since only the equipment status is held in the equipment variable information section of the equipment management department of the central monitoring device, it is not necessary to update each equipment to the extent that a failure has occurred in a certain equipment, so the update process can be completed in a short time. Even if there is a request for equipment variable information from the application immediately after, incorrect information will not be provided.

[0027] When there is a request for equipment variable information from the application department, the equipment status of the equipment is notified from the equipment variable information section of the equipment management department, and the relevant equipment information is retrieved from the related device information of the equipment fixed information section of the equipment management department. Since the related device information is acquired and the related device status is created from the device status in the device variable information section of the device management section and notified, the response time is slightly longer than before, but the necessary and sufficient information can be provided. Can be done.

[Brief explanation of the drawing]

FIG. 1 is a configuration diagram showing an embodiment of the equipment status management method of the present invention.

FIG. 2 is an overall configuration diagram of an equipment monitoring and control system to which the equipment status management method of the present invention is applied.

FIG. 3 is an internal configuration diagram of the central monitoring device in FIG. 2;

FIG. 4 is a configuration diagram of a conventional equipment status management system.

[Explanation of symbols]

1...Central monitoring device 11...Equipment management section 111...Equipment variable information section 111B...Equipment status 112...Equipment fixed information section 112A...Related device information 112B...Equipment unique information 12...Equipment management section 121...Device variable information section 121A...Device status 122...Device fixed information section 122A...Device unique information 13...Application section 131...Equipment variable information 131A...Related device status 131B...Equipment status 14...Line control Section 15...Other management/control section 2...Primary/secondary line relay device 3...n-1st/n-th line relay device 4...Equipment control device 5... ...Equipment 6...Primary line 7...Secondary line 8...n-1st line 9...N-th line

Claims (3)

[Claims] Claim 1: A plurality of equipment control devices that directly control a plurality of equipment, a plurality of relay devices that hierarchically relay the n-th line of the equipment control device, and a plurality of relay devices that are connected to the primary line and monitor and control the entire system. In an equipment monitoring and control system that monitors and controls equipment, the equipment status management method is characterized in that only the equipment status is retained in the equipment variable information section of the equipment management section of the central monitoring device. . [Claim 2] A claim characterized in that when a failure occurs in the equipment control device or the relay device, the corresponding device status in the device variable information section of the device management section of the central monitoring device is updated to a value indicating the failure. The equipment condition management method described in 1. Claim 3: When there is a request for equipment variable information from the application unit, the equipment status of the equipment is notified in the equipment variable information unit of the equipment management unit, and the relevant equipment information is retrieved from the equipment fixed information unit of the equipment management unit. 3. The equipment status management system according to claim 1, wherein equipment information related to the equipment is acquired, and a related equipment status is created from the equipment status of an equipment variable information section of an equipment management section and notified.