JPH11194961A - Device and system for remote monitoring control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform a flexible control in accordance with an operation state of hardware or software of a device by minimizing software development for each device required due to differences in a hardware structure or processing procedures, a loading of software into the device and maintenance work of the software. SOLUTION: This system is composed of an object input means 1 for inputting an object transmitted from an external device, an object output means 2 for outputting the object generated in a device body to the external device, an object management means 3 for managing each object and an object execution means 4 for executing each object. A fault detection means 5 detects a fault occurring in the device body and notifies the external device of it as fault information. A hardware structure detection means 6 detects a hardware structure and notifies the external device of it as new hardware structure information when the device body is supplied with power or the structure of the hardware changes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring control device for controlling a device by inputting and executing a program (control program) for controlling the device from an external device, and sending the control program to the device. The present invention relates to a remote monitoring control system that is executed to control a device.

[0002]

2. Description of the Related Art Conventionally, software for controlling a remote monitoring control device has been created in a form depending on the hardware configuration of the device so as to operate according to a predetermined processing procedure, and is stored in a storage medium. Later, it is generally incorporated into the device.

Therefore, if there is a change in the hardware configuration or the processing procedure, it is necessary to create or change the software so as to correspond to the change, store it again in a storage medium, and re-install it in the device.

[0004]

However, many remote monitoring control devices of this type generally have some differences in hardware configuration and processing procedures, and software is developed for each device. Maintaining is a very difficult task.

[0005] In addition, the remote monitoring control device is often installed in a place where much time is required to reach the remote monitoring control device. When repairing the software due to a trouble or the like, a large number of people and a lot of time are required. Need.

SUMMARY OF THE INVENTION An object of the present invention is to minimize software development work for each device, software integration work into the device, and software maintenance work due to differences in the hardware configuration and processing procedures of the device. It is an object of the present invention to provide a remote monitoring control device and a remote monitoring control system capable of performing flexible control according to the operation status of hardware and software.

[0007]

In order to achieve the above object, a remote monitoring control apparatus according to the first aspect of the present invention comprises: an object input means for inputting an object sent from an external device such as a computer; Object output means for outputting an object generated in the main body to an external device;
Object management means for managing each object, object execution means for executing each object, and detecting when a failure occurs in the device main body, and using the detected information as failure information via the object management means and the object output means Failure detection means for notifying the external device;
When the power of the apparatus body is turned on or when the hardware configuration is changed, the hardware configuration is detected, and the detected information is notified as new hardware configuration information to the external device via the object management unit and the object output unit. Hardware configuration detecting means.

Therefore, the remote monitoring and control apparatus according to the first aspect of the present invention includes the above-described means.
Since software common to the devices independent of hardware can be sent from an external device to operate and control the device, software development for each device due to differences in hardware configuration and processing procedures of the device and software Flexible control according to the operation status of the hardware and software of the device, since the work of assembling and software can be minimized, and the input and deletion of objects can be performed dynamically while the device is operating. Can be performed.

Further, the remote monitoring control device according to the second aspect of the present invention is the remote monitoring control device according to the first aspect of the present invention,
Operational safety of objects input from external devices,
The object input means includes means for checking the validity and rejecting the input by removing the object when it is determined that there is a possibility of malfunction.

Therefore, the remote monitoring control device according to the second aspect of the present invention includes the above-described means,
Since the erroneous control of the device due to the malfunction of the object is eliminated, the safety and reliability of the device control can be improved.

Further, according to a third aspect of the present invention, there is provided the remote monitoring control apparatus according to the first or second aspect of the present invention, wherein the hardware configuration information detected by the hardware configuration detecting means is converted into an object. The object management means is provided with means for notifying the external device via the object output means immediately after the detection.

Therefore, in the remote monitoring control device according to the third aspect of the present invention, the above means are provided,
Since an object corresponding to the hardware configuration can be input from an external device that has notified the object,
It is possible to flexibly cope with devices having different hardware configurations.

According to a fourth aspect of the present invention, there is provided the remote monitoring control apparatus according to any one of the first to third aspects, wherein the fault information detected by the fault detecting means is stored in an object. The object management means is provided with means for converting the information to an external device via the object output means immediately after the detection.

Therefore, the remote monitoring control device according to the fourth aspect of the present invention includes the above-described means,
Since an object according to the hardware status, such as an object for solving the fault or an object not affected by the fault, can be input from an external device that has notified the object, the object can be flexibly adjusted according to the operation status of the hardware or software. Control can be performed.

According to a fifth aspect of the present invention, there is provided the remote monitoring and control apparatus according to any one of the first to fourth aspects of the present invention, wherein the object being executed malfunctions after that, and If it is determined that may occur continuously, a means for removing the object is
The object management means and the object execution means are provided.

Therefore, in the remote monitoring control device according to the fifth aspect of the present invention, the above means are provided.
Since the erroneous control of the device due to the malfunction of the object is eliminated, the safety and reliability of the device control can be improved.

Further, according to a sixth aspect of the present invention, there is provided the remote monitoring control device according to any one of the first to fifth aspects, wherein the remote monitoring control device is input by an object input means or the device main body. Means for registering a plurality of objects generated within, and deleting already registered objects, the object management means, and the object execution means, further comprising a scheduling means for switching the execution of the plurality of objects, The object execution means is provided.

Therefore, the remote monitoring control device according to the sixth aspect of the present invention is provided with the above means,
By increasing the number of objects, the control target and the processing unit can be reduced, and each control can be apparently executed at the same time or at any timing, so that real-time flexible control can be performed. .

On the other hand, the remote monitoring control device of the invention according to claim 7 is the remote monitoring control device according to claim 6 of the present invention,
Means for changing the order and timing of execution of the objects are provided in the object management means and the object execution means.

Therefore, the remote monitoring and control apparatus according to the invention of claim 7 includes the above-mentioned means,
Since the operation timing of each object can be controlled according to the operation state of the hardware or the object, flexible control with a high real-time property can be performed.

According to a further aspect of the present invention, there is provided the remote monitoring control apparatus according to the sixth or seventh aspect of the present invention, wherein the existing object is duplicated and the object newly input from an external device is copied. Means for registering and executing the object are provided in the object management means and the object execution means.

Therefore, in the remote monitoring control apparatus according to the eighth aspect of the present invention, by providing the above means,
An object that performs the same control can be generated by the device instead of being input from an external device, so that more real-time control can be performed.

According to a ninth aspect of the present invention, there is provided the remote monitoring control apparatus according to any one of the sixth to eighth aspects, wherein the hardware configuration is performed while the apparatus main body is operating. Means for immediately detecting a change when it occurs, converting the detection result into an object and notifying the result to an external device via an object output means, means for deleting an unnecessary object due to a change in hardware configuration, and hardware. Means for inputting an object required by a change in the hardware configuration from an external device or duplicating and adding the object in the device main body is provided in the hardware configuration detection means.

Therefore, the distant monitoring and controlling apparatus according to the ninth aspect of the present invention includes the above-described means.
Objects that become necessary due to changes in hardware configuration can be input from an external device or copied in the device, and objects that are no longer needed can be deleted, so flexible control independent of the hardware configuration Can be performed.

According to a tenth aspect of the present invention, there is provided the remote monitoring control apparatus according to any one of the sixth to ninth aspects, wherein the execution load of a plurality of registered objects is changed. Is periodically measured, and in the case where there is an object that is continuously executed under a high load state, a means for temporarily reducing the load by manipulating the execution order and timing of the object, The object execution means is provided.

Therefore, in the remote monitoring control device according to the tenth aspect of the present invention, by providing the above means, it is possible to minimize the influence on other objects due to a high load, and to realize a more real-time operation. Control can be performed.

On the other hand, in order to achieve the above object, according to the invention of claim 11, at least one external device (server) which can be a server and any one of the above-mentioned claims 6 to 10 which can be a client In the remote monitoring control system configured by connecting a plurality of remote monitoring control devices (clients) according to the invention of the above paragraph, all objects required by each client are placed on the server, and the client There are provided a means for inputting a required object from a server or another client, and a means for sending the object to another client for execution and control.

Therefore, in the remote monitoring control system according to the eleventh aspect of the present invention, by providing the above means, it is possible to input necessary objects from outside the apparatus and control the apparatus, and Can be sent from an external device to operate it and control the device, minimizing software development work for each device, incorporating software into the device, and software maintenance work due to differences in the hardware configuration and processing procedures of the device. Since objects can be dynamically input and deleted while the apparatus is operating, flexible control can be performed according to the operating conditions of hardware and software.

In the remote monitoring control system according to the twelfth aspect of the present invention, in the remote monitoring control system according to the eleventh aspect of the present invention, the load on the apparatus main body increases and the processing cannot be completed (expecting within the expected time). When an object (for which processing cannot be performed) occurs, means is provided for sending the object to another client operating under a light load state for processing.

Therefore, in the remote monitoring and control system according to the twelfth aspect of the present invention, since the above means are provided, the load can be distributed. And so on, and more reliable real-time control can be performed.

Further, the remote monitoring control system according to the thirteenth aspect of the present invention is the remote monitoring control system according to the eleventh or twelfth aspect, wherein an abnormality occurs in hardware or an object of the apparatus main body and the object management is performed. Means for inputting the object deleted by the means and the object executing means from a server or another client, or by duplicating an already existing object to reproduce itself in a normal state object configuration before the occurrence of the abnormality. ing.

Therefore, in the remote monitoring control system according to the thirteenth aspect of the present invention, by providing the above means, it is possible to take an ideal object configuration in accordance with hardware conditions. In the event that an error occurs, the latest object can be input from the server or another client, so that highly reliable and flexible control can be performed according to the status of hardware and software.

On the other hand, the remote monitoring and control system according to the invention of claim 14 is any one of the above-mentioned claims 11 to 13.
In the remote monitoring control system according to the above-described aspect, means for detecting a connection configuration between a server and a client connected to the network, means for measuring a transfer time of an object between the server and the client, and Information and the measured transfer time information,
Means for finding a path through which the object can be transferred in the shortest time.

Therefore, in the remote monitoring control system according to the fourteenth aspect of the present invention, by providing the above means, when an object is input according to the determined route, the object is input from the server or another client. In such a case, or when controlling the sending of an object to another client, these operations can be performed in a minimum time, so that more real-time control can be performed.

According to a fifteenth aspect of the present invention, in the remote monitoring control system according to the fourteenth aspect of the present invention, when a new object needs to be added to control the apparatus body, There is provided a means for searching for a server or another client capable of inputting an object in the shortest time and transmitting the required object to the device.

Therefore, in the remote monitoring control system according to the fifteenth aspect of the present invention, by providing the above means, when an object is input from a server or another client, or when an object is sent to another client. In such a case, these operations can be performed in a minimum time, so that more real-time control can be performed.

On the other hand, the remote monitoring control system according to the invention of claim 16 is any one of the above-mentioned claims 11 to 15.
In the remote monitoring and control system according to the invention, there is provided means for causing other clients connected to the network to perform various diagnoses of hardware and objects of the apparatus main body and to immediately transmit a diagnosis result after the diagnosis.

Therefore, in the remote monitoring control system according to the sixteenth aspect of the present invention, the provision of the above means makes it possible to ascertain the hardware failure state of another client and the operation state of the object. In addition, flexible control can be performed according to the status of hardware and software.

A distant monitoring and control system according to a seventeenth aspect of the present invention is the remote monitoring and control system according to any one of the eleventh to fifteenth aspects
In the remote monitoring and control system according to the invention, a means for controlling restriction, prohibition, and permission of an access right between the clients based on failure information and various kinds of diagnostic information input from the clients.

Therefore, in the remote monitoring control system according to the seventeenth aspect of the present invention, by providing the above means, input of an object from a server or another client having an error in hardware or an object, or Since the output of the object to them can be limited, it is possible to perform flexible control that is not affected by the failure of the device connected to the remote monitoring control system.

Further, the remote monitoring and control system according to the invention of claim 18 is the remote monitoring and control system according to any one of claims 11 to 15, wherein the server and other clients connected to the network are provided. Means for performing various types of diagnosis of hardware and objects of the apparatus main body, and controlling restriction, prohibition and permission of access rights between clients based on the results of the diagnosis.

Therefore, in the remote monitoring control system according to the eighteenth aspect of the present invention, by providing the above means, input of an object from a server or another client having an error in hardware or an object, or Since the output of the object to them can be limited, it is possible to perform flexible control that is not affected by the failure of the device connected to the remote monitoring control system.

[0043]

Embodiments of the present invention will be described below in detail with reference to the drawings. (First Embodiment) FIG. 1 is a block diagram showing a configuration example of a remote monitoring control apparatus according to the present embodiment.

That is, as shown in FIG. 1, the remote monitoring control device according to the present embodiment comprises an object input unit 1, an object output unit 2, an object management unit 3, an object execution unit 4, It comprises a unit 5, a hardware configuration detecting unit 6, and a database 7.

The object input unit 1 inputs an object sent from a computer connected via a dedicated communication line, for example, an external device such as a workstation or a personal computer.

The object output unit 2 outputs an object generated in the device to an external device. The object management unit 3 manages these objects.

The object executing section 4 executes these objects. The failure detection unit 5 detects when a failure has occurred in the device, and notifies the external device via the object management unit 3 and the object output unit 2 of the detected information as failure information.

The hardware configuration detecting section 6 detects the hardware configuration when the apparatus is powered on or when the hardware configuration changes, and uses the detected information as new hardware configuration information as the object management section 3. Notification is made to an external device via the object output unit 2.

The database 7 stores various data. FIG. 2A is a diagram illustrating a configuration example of an object handled by the remote monitoring control apparatus according to the present embodiment.

As shown in FIG. 2A, the object is composed of object management information 21 indicating the characteristics of the object itself, a control program 23 for controlling the apparatus according to a predetermined procedure, and a program executed when the control program 23 is executed. And the required control data 22.

FIG. 2B shows the object management information 21.
It is a figure which shows the detail of. As shown in FIG. 2B, the object management information 21 includes a control data size 211,
Control data address 212, control data check code 213, control program size 214, control program address 215, control program check code 216, object type 217, object input destination 218, program processing number 219, object A management number 2110, an object normal priority 2111, an object normal execution cycle 2112,
It comprises an object high load priority 2113, an object high load execution cycle 2114, and control device information 2115.

The control data size 211 is the control data 2
2 is shown. The control data address 212 indicates the head position of the control data 22 from the head of the object.

The control data check code 213 indicates a checksum calculated by exclusive OR of control data in units of several bytes. The control program size 214 is
The size of the control program 23 is shown.

The control program address 215 indicates the head of the control program from the head of the object. The control program check code 216 corresponds to the control program 2
3 shows a checksum calculated by exclusive OR in a unit of several bytes.

Object type 217 Indicates the type of object (program or data). The object input destination 218 indicates an input destination of an object (a server, a client, or a copy in the own device).

The program processing number 219 indicates the processing contents of the control program 23. Object management number 21
Reference numeral 10 denotes version number management information of the object.

The object normal priority 2111 determines the execution order and execution timing of the objects in the normal state. The object high load priority 2113 is used in place of the normal priority and execution cycle in order to reduce the load when the load is high.

The control device information 2115 indicates a control device controlled by the control program 23, for example, a transmission device, a digital input / output device, or a relay output device. FIG.
(A) is a diagram showing a configuration example of a database 7 that is handled in the remote monitoring control device of the present embodiment and is stored in, for example, a nonvolatile memory such as an EEPROM or a flash memory.

As shown in FIG. 3A, the database 7
Is composed of hardware configuration information 31, object management information 32, system control system configuration information 33, and fault information 34.

The hardware configuration information 31 indicates the hardware configuration of the device. The object management information 32 includes
The object management information 21 of the object is copied.

The system control system configuration information 33 indicates a connection configuration between a computer, such as a workstation or a personal computer, connected to the network, and the remote monitoring control device of the present embodiment.

The failure information 34 indicates information recorded when any failure occurs in the apparatus. FIG. 3B shows hardware configuration information 31 stored in the database 7.
It is a figure which shows the detail of.

As shown in FIG. 3B, the hardware configuration information 31 includes a main storage device size 311, a main storage device address 312, an auxiliary storage device size 313, an auxiliary storage device address 314, And device information 315.

The main storage size 311 indicates the size of the main storage of the apparatus, for example, the size of a RAM or the like. The main storage device address 312 indicates an address allocated to the main storage device size 311.

The auxiliary storage device size 313 indicates the size of the auxiliary storage device of the device, for example, the size of a nonvolatile memory such as an EEPROM or a flash memory. The auxiliary storage device address 314 indicates an address assigned to the auxiliary storage device size 313.

The control device information 315 indicates control devices connected to the device, for example, power equipment such as measuring devices and relays. FIG. 3C is a diagram illustrating details of the system control system configuration information 33 stored in the database 7.

As shown in FIG. 3C, the system control system configuration information 33 includes the number of connected devices 331 and the device type 33.
2, device access condition 333, object transfer time 335, object transfer priority order 334, number of registered objects 336, object type 337, object input destination 338, object processing number 33
9 and an object management number 3310.

The number of connected devices 331 indicates the number of servers and clients connected to the network. The device type 332 indicates the device type (server or client) for each device.

The device access condition 333 indicates an access condition (restriction, prohibition, permission, etc.) for the device. The object transfer time 335 indicates the transfer time of the object between the devices of the specific object.

The object transfer priority order 334 indicates the order in which the transfer times are shorter when the object transfer times 335 of the respective devices are compared. Number of registered objects 3
36 indicates the number of objects registered in the device.

The object type 337 indicates the type (program or data) of each object. The object input destination 338 indicates an object input or generation destination (a server, a client, or a copy in the own device).

The object processing number 339 indicates the processing contents of the object. Object management number 3310
Indicates a number for managing the object, such as a version number.

Next, the operation of the remote monitoring control apparatus of the present embodiment configured as described above will be described. In FIG. 1, an object input unit 1 inputs an object sent from an external device, and determines an object based on object management information 21 incorporated therein and hardware configuration information 31 stored in a database 7. Is checked on the device to see if it can run on the device, and the runtime security and validity of the object.

As a result, if it is determined that the object cannot operate or there is a possibility of malfunction, the object is excluded and the input is rejected. When the safety and validity of the object are confirmed, the object management information 21 is stored in the database 7.

Here, the checking of the safety and validity of the object at the time of execution will be described with reference to FIGS.
(B), FIG. 3 (a) and FIG. 3 (b). First, the control data 22 of the object and the control program 2
3, the checksum is calculated by exclusive OR for each several bytes, and the checksum is compared with the control data check code 213 and the control program check code 216 of the object management information 21, respectively.

As a result, if they do not match, the object is different from the normal one, and the operational safety cannot be guaranteed. Therefore, the object is deleted and the input is rejected.

Further, the control device information 2115 of the object management information 21 and the content of the control device information 315 of the hardware configuration information 31 of the database 7 are compared. As a result, if all the contents of the control device information 2115 are not included in the control device information 315, there is a possibility that unauthorized input / output may be performed, and the operation cannot be guaranteed.
If the validity of the object cannot be guaranteed, the object is deleted and input is rejected.

On the other hand, the object output unit 2 outputs the object generated by the object management unit 3 to an external device. In the object management unit 3, the object management information 21 incorporated in the input object is copied to the database 7.

Further, according to the contents of the object type 217, it is checked whether it is a program or data. As a result, if it is data, it is determined that the command is a control command from an external device, and the data is interpreted and processed.

In the case of a program, the object is executed by the object execution unit 4. Then, an object to be output to an external device is generated from data from the object execution unit 4 or information detected by the failure detection unit 5 and the hardware configuration detection unit 6, and the external device is output via the object output unit 2. Will be notified.

On the other hand, the object execution unit 4 manages computer resources such as a memory and a microprocessor, and
Objects are allocated and their execution is performed.

In this case, the execution order, timing, and the like of each object are determined by the object normal priority 2111 of the object management information 21 stored in the database 7.
And the content of the normal execution period 2112 of the object.

Also, it is determined whether there is a possibility that the malfunctioning object may malfunction continuously during execution. If it is determined that there is a possibility, the object is deleted to release the computer resources. Do.

The execution load (time when the right to use the microprocessor is allocated) of each registered and executed object is periodically measured, and the object is continuously executed under a high load state. If an object exists, the object high load priority 2113 and the object high load execution cycle 2114 of the object management information 21 of the object registered in the database 7
According to the contents of the above, operations such as execution order and timing are performed, and the load is temporarily reduced.

That is, an object is normally operated using the normal priority 2111 and the normal execution cycle 2112. However, when the load is high, the priority 2113 when the object is high and the execution when the object is high are performed. Operation is performed in a light load state using the period 2114.

As a result, it is possible to reduce the load on an object operating under a high load, and to guarantee a well-balanced operation as a whole. On the other hand, the failure detection unit 5 detects when a failure has occurred in the device, and notifies the external device of the information as failure information via the object management unit 3 and the object output unit 2. At this time, the failure information is stored in the database 7.

Further, the hardware configuration detecting unit 6 notifies the external device via the object output unit 2 when the power of the device is turned on or when the configuration is changed. At this time, the hardware configuration information is stored in the database 7.

As described above, the following various effects can be obtained in the remote monitoring control apparatus of the present embodiment. (A) Since software common to the devices independent of hardware can be sent from an external device and operated to control the devices, software development and device development for each device due to differences in the hardware configuration and processing procedures of the devices can be performed. Software installation work and software maintenance work can be minimized.

(B) Objects can be dynamically input and deleted while the device is operating, so that flexible control can be performed according to the operation status of the hardware and software of the device.

(C) Since there is no erroneous control of the device due to a malfunction of the object, it is possible to improve the safety and reliability of the device control. (D) Since an object corresponding to the hardware configuration can be input from an external device that has notified the object, it is possible to flexibly cope with an apparatus having a different hardware configuration.

(E) Since an object according to the status of hardware such as an object for solving a fault or an object not affected by a fault can be input from an external device that has notified the object, the operation of hardware and software can be performed. Flexible control according to the situation can be performed.

(F) By increasing the number of objects, the number of objects to be controlled and the unit of processing can be reduced, and each control can be apparently executed simultaneously or at an arbitrary timing. Control can be performed.

(G) Since the operation timing of each object can be controlled in accordance with the operation status of the hardware and the object, it is possible to perform real-time and flexible control.

(H) Since an object performing the same control can be generated by the same device instead of being input from an external device, more real-time control can be performed.

(I) An object required by a change in hardware configuration can be input from an external device or copied in the device, and an unnecessary object can be deleted. It is possible to perform a flexible control independent of.

(J) The influence on other objects due to high load can be minimized, and more real-time control can be performed. (Second Embodiment) FIG. 4 is a block diagram showing a configuration example of a remote monitoring control system (hereinafter, referred to as a system control system) in a case where the remote monitoring control apparatus of the present embodiment is connected to a network. .

That is, as shown in FIG. 4, the system control system according to the present embodiment includes a network A connected by a relay device such as a router or a gateway.
47, a network B48, a server A41, a client A42, and a client B43 connected to the network A47, and a server B44, a client C45, and a client D46 connected to the network B48.

The server A41 and the server B44 are computers (hereinafter, referred to as servers) that can be servers such as workstations and personal computers, and the clients A42 to D46 are remote monitoring controllers according to the present embodiment that can be clients. Equipment (hereafter,
Client).

Power equipment such as control equipment, for example, a transmission device, a digital input / output device, or a relay output device is connected to each of the clients A42 to D46. Here, each of the clients A42 to D46 has a server A41,
Alternatively, it is possible to input an object from another client, or to notify and output the object to them.

For example, the client A connected to the network A 47 includes a server A 41 and a server B 4
4. Objects can be input and output between the client B43 and the client D46.

That is, the client A is connected to the server A4
1. The apparatus can be controlled by receiving an object from any of the server B44 and the clients B43 to D46 and executing the object.

Also, by notifying and outputting an object to these devices in reverse, those devices can be controlled. Next, several application examples of the operation of the system control system of the present embodiment configured as described above will be described with reference to FIGS.

FIG. 5 shows that when an object that cannot be processed due to an increase in the load of the apparatus (the expected processing cannot be performed within the expected time) occurs, the other clients operating in a lightly loaded state are notified of the object. It is a figure showing an example when sending an object and making it process.

For example, if it is determined that the client A52 is in a high load state and an object cannot perform the expected processing within the expected time, the client A52 first loads the client B53 to the client D56. An object for notifying the data is sent, and the load data is transmitted to each device by the client A5.
2 is notified.

In this case, the load data notified from each device is 63 [%] by the client B 53, respectively.
35% client C55, client D56
Is 57 [%], the client A52 determines that the client C55 has the lightest load, and sends an object that cannot be processed by the client A52 to the client C52 for processing.

FIG. 6 shows an example in which an error is generated by inputting an object deleted due to some abnormality in hardware or an object from a server or another client, or by copying an existing object. FIG. 14 is a diagram showing an example of a case where self-reproduction is performed to a normal state object configuration before performing the operation.

As shown in FIG. 6A, five objects (objects A to A) are
When the object E) is registered and executed, FIG.
As shown in (b), when three objects (objects C to E) are deleted due to some trouble, the system control system configuration stored in the database 7 is deleted. Depending on the contents of the information 33, the same type of object as the deleted object is input from another device or copied by the own device, and the self-reproduction is performed to the state before the deletion.

For example, in FIG. 6C, the client B6
As shown in FIG. 6B, when an abnormality occurs in the object 3 and three objects C to E are deleted, an object of the same type as the deleted object C is sent to the client A62 and the object D If an object of the same type is registered in the server B64 and an object of the same type as the object E is registered in its own device, that is, the client B63,
Reference numeral 63 denotes an input of an object of the same type as that deleted from the client A 62 and the server B 64, and furthermore, duplication of an object of the same type as the deleted object registered in the own device, before the occurrence of an abnormality in the client B 63. Self-regenerates to the state object configuration of.

FIG. 7 shows that when a new object is needed for controlling the device, a server or another client capable of inputting the object in the shortest time is searched for, and the device needs the new object. FIG. 9 is a diagram illustrating an example of a case where an object to be transmitted is transmitted.

The client A72 is provided in advance with other devices, the server A71, the server B74, and the client B73.
-Fixed-length objects are regularly exchanged with the client D76 to measure the transfer time of the objects.

For example, the measurement time of the object is 0.76 [sec] between the client A72 and the server A71, 1.43 [sec] between the server B74, 0.32 [sec] between the client B73, and the client C75. At 1.19
When [sec] is 1.22 [sec] between the client D76 and the required object is not registered in the server A71 and the client B73, the client A72
Is the client in which the object is registered and the transfer time of the object is the shortest.
Input the required object from 5.

FIG. 8 shows a case where a server or another client connected to a network performs various diagnoses of hardware or objects, and the restriction, prohibition, or permission of access rights between clients is controlled based on the various diagnostic information. It is a figure showing an example of.

For example, when the client B 83 and the client D 86 are exchanging data input from the power equipment, the client D 83
When the response is interrupted from 86, the client B83
Determines that some abnormality has occurred in the power equipment connected to the client D86 or the object processing the power equipment, sends an object for diagnosing a failure to the client D86, and causes the client D86 to perform the diagnosis.

Then, when the client B83 receives the result of the diagnosis and determines that the recovery is impossible thereafter,
Restrict access to client D86. As described above, in the system control system according to the present embodiment,
The following various effects can be obtained.

(A) The required objects can be input from outside the device to control the device, and the software can be sent from an external device to operate and control the device. It is possible to minimize the software development for each device, the incorporation of software into the device, and the software maintenance due to differences in configuration and processing procedure.

(B) Since an object can be dynamically inputted and deleted while the apparatus is operating, it is possible to perform flexible control according to the operating conditions of hardware and software.

(C) Since repair work or maintenance work due to software version upgrade or trouble or the like, which has been performed in the place where the remote monitoring control device is installed, can be performed remotely via a network, It is possible to greatly reduce the work time, personnel, and other costs in the above work.

(D) Since load distribution processing can be performed, it becomes possible to process objects that exceed the processing capacity of the device alone. (E) Since load distribution can be performed, processing delay, erroneous processing, omission of processing, and the like due to high load are eliminated, and more reliable real-time control can be performed.

(F) It is possible to take an ideal object configuration according to the hardware status, and to input the latest object from the server or another client when an abnormality occurs in the object. Therefore, it is possible to perform highly reliable and flexible control according to the status of hardware and software.

(G) When an object is input according to the determined route, when an object is input from a server or another client, or when an object is controlled to be sent to another client, such an operation is performed in a minimum time. Therefore, more real-time control can be performed.

(H) When an object is input from a server or another client, or when an object is controlled to be sent to another client, these operations can be performed in a minimum time, so that more real-time control is performed. It becomes possible.

(I) Since the failure state of the hardware of another client and the operation state of the object can be grasped, it is possible to perform flexible control according to the state of the hardware and software.

(J) Since the input of an object from a server or another client having an abnormality in hardware or an object or the output of an object to those can be restricted, the apparatus is connected to a remote monitoring control system. It is possible to perform flexible control that is not affected by device failure.

[0124]

As described above, according to the remote monitoring control apparatus and the remote monitoring control system of the present invention, the common software which does not depend on the hardware is sent from an external device to operate and control the device. Therefore, it is possible to minimize the software development for each device, the work of incorporating software into the device, and the maintenance work of software due to differences in hardware configuration and processing procedures of the device.

Further, objects can be dynamically inputted and deleted while the apparatus is operating, so that flexible control can be performed according to the operation status of the hardware and software of the apparatus.

On the other hand, according to the remote monitoring and control apparatus and the remote monitoring and control system of the present invention, repair work due to software version upgrade or trouble, which has been performed in the place where the remote monitoring and control apparatus is installed, or Since the maintenance work can be performed remotely via the network, it is possible to greatly reduce the work time, personnel, and other costs of the work. In addition, since load distribution processing can be performed, it is possible to process objects that exceed the processing capacity of the device alone.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of a remote monitoring control device according to the present invention.

FIG. 2 is an exemplary view showing a configuration example of objects and object management information handled by the remote monitoring control apparatus according to the first embodiment;

FIG. 3 is an exemplary diagram showing a configuration example of a database, hardware configuration information, and system control system configuration information handled by the remote monitoring control apparatus according to the first embodiment;

FIG. 4 is a block diagram showing a second embodiment of the remote monitoring control system according to the present invention.

FIG. 5 is a diagram showing a flow of an object in processing load distribution in the remote monitoring control system according to the second embodiment;

FIG. 6 is an exemplary view showing a flow of an object in self-reproduction of an object configuration in the remote monitoring control system according to the second embodiment;

FIG. 7 is a diagram showing a flow of an object for searching for a device which can input and output the object in the shortest time in the remote monitoring control system according to the second embodiment;

FIG. 8 is a diagram showing a flow of a diagnosis object and a diagnosis result object of the device in the remote monitoring control system according to the second embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Object input part, 2 ... Object output part, 3 ... Object management part, 4 ... Object execution part, 5 ... Failure detection part, 6 ... Hardware configuration detection part, 7 ... Database.

Claims (18)

[Claims] 1. An object input unit for inputting an object sent from an external device such as a computer, an object output unit for outputting an object generated in a device main body to the external device, and managing each of the objects. An object management unit, an object execution unit that executes each of the objects, detects when a failure occurs in the device body, and uses the detected information as failure information as the object management unit;
Failure detection means for notifying the external device via an object output means, and detecting the hardware configuration when the power of the apparatus main body is turned on or when the hardware configuration is changed, and adding the detected information to new hardware. And a hardware configuration detecting unit that notifies the external device via the object management unit and the object output unit as configuration information. 2. The remote monitoring control device according to claim 1, wherein the object input unit checks the operational safety and validity of the object input from the external device and may cause a malfunction. A remote monitoring control device comprising means for rejecting an input by removing the object when it is determined that there is an object. 3. The remote monitoring control device according to claim 1, wherein the object management unit converts the hardware configuration information detected by the hardware configuration detection unit into an object, and immediately after the detection, A remote monitoring control device comprising means for notifying an external device via an object output means. 4. The method according to claim 1, wherein
In the remote monitoring control device according to the paragraph, the object management means includes means for converting the failure information detected by the failure detection means into an object, and immediately notifying the external device via the object output means after the detection. A remote monitoring control device characterized by the above-mentioned. 5. The method according to claim 1, wherein
In the remote monitoring control device according to the item, the object management means and the object execution means, when it is determined that there is a possibility that the object being executed malfunctions and that it may occur continuously thereafter, A remote monitoring control device comprising means for eliminating an object. 6. The method according to claim 1, wherein
Item, the object management means, and the object execution means, registration of a plurality of objects input by the object input means, or generated in the device body,
And a means for deleting an already registered object, wherein the object execution means includes a scheduling means for switching execution of a plurality of objects. 7. The remote monitoring control device according to claim 6, wherein the object management means and the object execution means include means for changing an execution order and timing of the objects. Remote monitoring and control equipment. 8. The remote monitoring control device according to claim 6, wherein the object management means and the object execution means duplicate an existing object and newly input the object from the external device. A remote monitoring control device comprising means for registering and executing as an object. 9. The method according to claim 6, wherein
In the remote monitoring control device according to the item, the hardware configuration detecting means detects a change in the hardware configuration immediately when the device main body is operating, detects the change, and converts the detection result into an object to generate the object. Means for notifying an external device via an output means, means for deleting an unnecessary object due to the change in the hardware configuration, input of the object required by the change in the hardware configuration from the external device, Or a means for duplicating and adding in a device main body. 10. The remote monitoring control device according to claim 6, wherein the object execution unit periodically measures an execution load of a plurality of registered objects, In the case where there is an object that is continuously being executed under a high load state, a means for temporarily reducing the load by manipulating the execution order and timing of the object is provided. Monitoring and control equipment. 11. An at least one external device (server) that can be a server and a plurality of remote monitoring control devices (clients) according to any one of claims 6 to 10 that can be a client. In a remote monitoring and control system configured to be connected via a network, all objects required by each client are placed on the server, and the client inputs necessary objects from the server or another client. A remote monitoring control system, comprising: means for transmitting an object to another client for execution and control. 12. The remote monitoring control system according to claim 11, wherein when an object that cannot perform expected processing occurs within an expected time due to an increase in a load on the apparatus main body, the object is lightly loaded. A remote monitoring control system comprising means for sending to another client operating in a state for processing. 13. The remote monitoring control system according to claim 11, wherein an abnormality has occurred in hardware or an object of the apparatus main body, and the abnormality has been deleted by the object management unit and the object execution unit. By entering objects from the server, or other client, or by duplicating an already existing object,
A remote monitoring control system comprising means for self-regenerating the normal state object configuration before the occurrence of the abnormality. 14. The remote monitoring control system according to claim 11, wherein: a means for detecting a connection configuration between a server and a client connected to the network; Means for measuring the transfer time of the object between the clients, information on the detected connection configuration, and means for determining a path that allows the transfer of the object in the shortest time based on the information on the measured transfer time, A remote monitoring control system comprising: 15. The remote monitoring control system according to claim 14, wherein when a new object needs to be added to control the apparatus main body, a server capable of inputting the object in the shortest time. Alternatively, the remote monitoring control system includes means for searching for another client and transmitting a required object to the device. 16. The remote monitoring control system according to any one of claims 11 to 15, wherein the other clients connected to the network perform various diagnoses of hardware and objects of the apparatus main body. And a means for transmitting a diagnosis result immediately after the diagnosis. 17. The remote monitoring control system according to claim 11, wherein the access right between the clients is restricted based on the fault information and various diagnostic information input from the clients. A remote monitoring control system, comprising means for controlling prohibition and permission. 18. The remote monitoring control system according to claim 11, wherein the server and other clients connected to the network perform various types of diagnosis of hardware and objects of the apparatus main body. And a means for controlling restriction, prohibition, and permission of access rights between the respective clients based on the diagnosis result.