JPH09244740A - Remote monitor and control equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to restore a faulty slave station device early. SOLUTION: The remote monitor and control equipment which monitors and controls a monitored and controlled system such as a power system connected to a slave station device 1 from a master station device 15 connected to the slave station device 1 through a transmission means 13 has a fault information input part 33 which inputs fault information from the slave station device 1, a transmission control part 35 which converts the fault information inputted from the fault information input part 33 into specific transmission data, a line processing part 37 which performs line processing for connecting the signal transmission part 11 of the slave station device 1 and the transmission control part 35 to the transmission line 13, and a battery part 39, and a monitor device 31 is added which monitors fault occurrence to the slave station device 1 and sends the fault information on the slave station device 1 to the master station device 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distant supervisory control apparatus for supervising and controlling between a master station and a slave station, which is capable of promptly handling failure recovery of the slave station apparatus.

[0002]

2. Description of the Related Art FIG. 7 shows the configuration of a conventional distant supervisory control apparatus which is adapted to transmit a supervisory control signal by HDLC transmission or the like between a master station and a slave station.

In this remote monitoring and control apparatus, the slave station apparatus 1 inputs information about the electric power system gathered on the switchboard 3 through the input / output unit 5 and processes it according to a predetermined program by the common processing unit 7, The transmission processing unit 9 converts the transmission data into a predetermined format, and outputs the transmission data to the transmission line 13 via the signal transmission unit 11.

The master station device 15 includes a slave station device 1 and a transmission line 13.
The transmission data connected from the slave station device 1 is received by the signal transmission unit 17, the input processing is performed by the transmission processing unit 19, and then the common processing unit 21 performs various processes. Is transmitted as monitor information to a display / input device such as a monitor / control console (not shown) connected to.

Further, the master station device 15 generates a control command by the common processing section 21 based on the transmission data from the slave station device 1 and an operation command input via the display / input device,
The transmission processing unit 19 converts the transmission data into the signal transmission unit 17
Output to the transmission line 13 via.

The slave station apparatus 1 receives the transmission data from the master station apparatus 15 via the signal transmission section 11 and the transmission processing section 9, processes it in the common processing section 7, and then, for example, via the input / output section 5. It outputs a control signal to the switchboard 3.

Incidentally, reference numerals 23 and 25 in FIG.
Are device power supplies of the slave station device 1 and the master station device 15, respectively.

In such a distant monitoring control apparatus, when a failure occurs in the slave station apparatus 1, a failure such that the failure does not stop the information transmission function, for example, an input abnormality of the input / output unit 5, an input / output When the control output of the unit 5 is abnormal, the format of the transmission data is abnormal, the illegal data is received, or the like, error information can be transmitted to the master station device 15 as failure information.
However, when a failure leading to the stop of the information transmission function, for example, an abnormality of the common processing unit 7, the transmission processing unit 9, the signal transmission unit 11, and the device power supply 23 occurs, the master station device 15 communicates with the slave station device 1. An abnormality (congestion) occurs, and the failure status of the slave station device 1 cannot be grasped until the operator goes to the slave station, and as a result, the failure cannot be quickly recovered.

[0009]

As described above, in the conventional distant monitoring control apparatus, when a failure occurs in the information transmission function of the slave station apparatus 1, the failure location and the cause of the failure are identified by the master station side. Could not be recognized, and as a result the operator had to go to the slave station to investigate the cause and confirm the faulty part, so much time was spent for recovery.

The present invention has been made in consideration of such a point, and provides a distant monitoring control device capable of promptly and accurately grasping a fault condition of a slave station on the master station side with respect to an abnormality of the slave station device. The purpose is to do.

Another object of the present invention is to provide a distant monitoring control apparatus capable of recovering from a failure of a slave station without stopping the monitoring control even when an abnormality occurs in the slave station apparatus.

[0012]

That is, the invention of claim 1 is a child for inputting a status signal from a supervisory control target, processing it as supervisory information, and outputting a control signal to the supervisory control target based on a control command. A parent device that is connected to the slave station device via a transmission line, inputs monitoring information transmitted from the slave station device, and outputs a control command to the slave station device based on this monitoring information to the slave station device. In a remote monitoring control device including a station device, when the slave station device becomes abnormal and cannot communicate with the master station device, failure information indicating an abnormal state is input from the slave station device and the master station device is input. It is characterized in that it is provided with a monitor device for transmitting data to the mobile phone via a transmission path.

According to a second aspect of the present invention, in the above configuration, a line switching means is provided for disconnecting the connection between the slave station device and the transmission line and connecting the monitoring device to the transmission line in response to a transmission request from the monitoring device. Characterize.

The invention of claim 3 is characterized in that the monitor device uses a battery as a drive source.

According to a fourth aspect of the present invention, the monitor device comprises:
It is characterized in that it comprises an editing means for editing the failure information input from the slave station device into data suitable for determining a failure occurrence location and a failure cause, and transmitting this edited data to the master station device.

According to a fifth aspect of the present invention, the slave station device monitors the states of the internal processing units and the power source of the device, and when abnormalities occur in these states, fault information indicating the abnormal state in detail is provided. It is characterized by comprising a monitoring control means for outputting to a monitor device.

According to the present invention, even if a fault occurs in the slave station device, the fault occurrence status of the slave station is transmitted from the monitor device to the master station side. The situation of occurrence can be grasped, and the recovery response can be examined and prepared before going to the site. Thereby, the failure recovery of the slave station device can be performed quickly and accurately.

According to a sixth aspect of the present invention, the monitor device comprises:
It is characterized in that it has a part or all of the functions of the slave station apparatus and that when a failure occurs in the slave station apparatus, the processing is taken over on behalf of this slave station apparatus.

According to a seventh aspect of the present invention, a slave station device that receives a status signal from a supervisory control target, processes it as monitor information, and outputs a control signal to the supervisory control target based on a control command, and the slave station device. Remote monitoring with a master station device that is connected to the slave station device via a transmission path and inputs monitoring information transmitted from the slave station device and outputs a control command to the slave station device based on this monitoring information In the control device, the slave station device has a configuration in which some or all are multiplexed, and when a failure occurs in the processing system in operation, the processing is taken over by the standby processing system, and the master station device The failure information is transmitted to.

According to the sixth and seventh aspects, even if a failure occurs in the slave station device, a substitute function backs up and the failure occurrence status is transmitted to the master station side, which causes trouble in monitoring control. Without this, the master station can grasp the failure occurrence status of the slave station.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. In addition, the same parts as those of the conventional example will be described with the same reference numerals.

FIG. 1 shows a first embodiment of the remote monitoring and control apparatus of the present invention.
In addition to the conventional configuration including the master station device 15 and the slave station device 1 and the transmission line 13 connecting them as shown in FIG. 7, the failure occurrence of the slave station device 1 is monitored. A monitor device 31 for transmitting fault information of the slave station device 1 to the master station device 15 is installed.

The master station device 15 performs supervisory control based on transmission data sent from the slave station device 1 and operation commands from a display / input device such as a monitor / control console (not shown) connected to the master station device 15. Processing unit 21 for performing processing for
And a signal transmission unit 17 for transmitting and receiving signals to and from the transmission line 13, and a transmission processing unit 19 for performing input / output processing of transmission data.
And a device power supply 25.

The slave station device 1 receives an input signal from the switchboard 3 and outputs a control signal to the switchboard 3 as well as an input signal from the switchboard 3, an input signal from the switchboard 3 and a master station device 15. Common processing unit 7 that processes various data such as control signals, a signal transmission unit 11 that transmits and receives signals to and from the transmission path 13, a transmission processing unit 9 that performs input / output processing of transmission data, and a device power supply. 23 and is usually installed on the controlled side.

The monitor device 31 is installed in the vicinity of the slave station device 1 and converts the fault information input section 33 for inputting fault information from the slave station apparatus 1 and the fault information input by the fault information input section 33 into predetermined transmission data. The transmission control unit 35 that controls the transmission line 13 and the signal transmission unit 11 and the transmission control unit 35 of the slave station device 1.
It is composed of a line processing unit 37 for performing line processing for connection to the battery and a battery unit 39.

As the line processing unit 37, for example, a line switch as shown in FIG. 1 is used to normally connect the transmission line 13 to the signal transmission unit 11 of the slave station device 1 and to control the transmission line 13 when a failure occurs. The line switching system (hereinafter, referred to as LSW type) connected to the unit 35 and the signal transmission unit 11 and the transmission control unit 35 of the slave station device 1 using a transmission line branching device such as a hybrid transformer as shown in FIG. It is possible to employ any of the methods (hereinafter referred to as HYB type) in which both are connected to the transmission line 13 to enable communication without switching the line.

Next, in this embodiment, the slave station device 1
The action when a failure occurs is explained.

When a fault occurs in the slave station device 1, the monitor device 31 indicates an abnormal state of the slave station device 1 from the input / output part 5 and the common processing part 7 of the slave station device 1 by the fault information input part 33. Enter the fault information.

When the fault information input unit 33 receives the fault information from the slave station device 1, the fault information input unit 33 transfers the fault information to the transmission control unit 35.

The transmission control unit 35 converts the fault information from the fault information input unit 33 into predetermined transmission data and outputs it to the line processing unit 37.

In the case of the LSW type, the line processing unit 37 switches the transmission line 13 from the slave station device 1 to the transmission control unit 35 in response to a line switching request from the transmission control unit 35, and connects the transmission line 13 to the transmission control unit 35. The transmission data indicating the abnormal state of the slave station device 1 is transmitted to the master station device 15.

When the line processing unit 37 is of the HYB type, the transmission data from the transmission control unit 35 is transmitted through the transmission line 13 by the transmission request from the master station device 15 without switching the line. 15 is transmitted.

The monitor device 31 of this embodiment is used.
Since the battery is used as a driving source, can communicate with the master station device 15 even if the abnormality of the slave station device 1 is an external factor, such as a loss of power.

As is clear from the above description, according to this embodiment, the monitor device 31 for monitoring the operating state of the slave station device 1 is provided, and the slave station device 1 cannot communicate with the master station device 15. In this case, by transmitting the fault information indicating the abnormal state of the slave station device 1 from the monitor device 31 to the master station device 15, the master station side can grasp the fault occurrence state of the slave station, and the operator can Consider recovery measures before going to the site
Can be prepared. This enables quick and accurate recovery of the failure.

FIG. 3 shows the second embodiment of the remote monitoring and control apparatus of the present invention.
In comparison with the configuration of the first embodiment shown in FIG. 1, an edit processing unit 41 for editing the failure information input by the failure information input unit 33 is further incorporated in the monitor device 31. Has been.

Next, the operation of the present embodiment will be described. When a failure occurs in the slave station device 1, the edit processing unit 41 in the monitor device 31 causes the failure information input unit 33 to input failure information from the input / output unit 5 and the common processing unit 7 of the slave station device 1 into, for example, a function. The data is categorized separately, edited in time series, analyzed the number of occurrences, etc., edited into data suitable for determining or specifying the location and cause of failure, and passes the data to the transmission control unit 35.

The transmission control unit 35 converts the edit data from the edit processing unit 41 into predetermined transmission data, and the line processing unit 3
7 to the master station device 15.

In FIG. 3, the line processing unit 37 is an LS.
Although the W type is shown, the HYB type as shown in FIG. 2 may be used as in the first embodiment.

According to this embodiment, the monitor device 3
1 to the master station device 15 can transmit data suitable for determining or specifying a failure occurrence point and failure cause of the slave station device 1, and the master station side can more accurately grasp the failure situation of the slave station. Yes, you can study and prepare quick recovery measures.

FIG. 4 shows the third embodiment of the remote monitoring and control apparatus of the present invention.
In comparison with the configuration shown in FIG. 3, the monitoring control unit 43 that monitors each processing unit of the slave station device 1 and outputs more detailed failure information to the monitor device 31 when an abnormality occurs. Are provided in the slave station device 1.

Next, the operation of the present embodiment will be described. The monitoring control unit 43 of the slave station device 1 constantly monitors the operation status of each processing unit of the slave station device 1, and when a failure of the slave station device 1 occurs, an external abnormality such as power loss or an abnormal operation of the internal processing unit. Fault information indicating the abnormal place and the abnormal situation is output to the monitor device 31.

The monitor device 31 includes a fault information input section 33.
The failure information is input from the monitor control unit 43 of the slave station device 1 by the use of
Input / output data with the monitoring control target such as is input, and these input data are passed to the edit processing unit 41.

Based on the abnormality monitoring data from the monitor control unit 43 and the input / output data from the input / output unit 5, the edit processing unit 41 creates data that more clearly shows the location of the failure, the failure status and the cause of the failure. Edit the transmission control unit 35
Pass to.

The transmission control unit 35 converts the edit data passed from the edit processing unit 41 into transmission data, and the line processing unit 3
The data is transmitted to the master station device 15 via the transmission line 13 via the transmission line 7.

As described above, according to this embodiment, the monitor device 31 more clearly identifies the failure location of the slave station device 1 and the failure condition / cause to the master station device 15 based on the more detailed monitoring information from the monitoring controller 43. Since the data can be transmitted, the master station can grasp the failure status of the slave station in more detail and more accurately, and can take prompt and appropriate recovery measures.

FIG. 5 shows a fourth embodiment of the remote monitoring and controlling apparatus of the present invention.
In comparison with the conventional configuration shown in FIG. 7, the common processing unit 7, the transmission processing unit 9, the signal transmission unit 11, and the device power supply 23 of the slave station device 1 excluding the input / output unit 5 are shown. The dual configuration of the a system and the b system having substantially the same or equivalent functions as each other.
A line processing unit 37 for connecting a and 11b to the transmission line 13 is added.

In this embodiment, the slave station device 1 has a configuration capable of partially backing up, and the common processing units 7a and 7b, the transmission processing units 9a and 9b, and the signal transmission unit 11 are included.
a, 11b and device power supplies 23a, 23b are a system, b
It is divided into different lines and combined.

In this configuration, the common processing units 7a and 7b
Monitor each other's information by inputting information from each other. For example, if a failure occurs in the operating system a,
The common processing unit 7b of the b system on standby detects this and
The processing is continued in place of the system, and the failure information of the system a is notified to the master station device 15.

As a result, it is possible to promptly take measures to recover from the failure, and it is possible to recover from the failure without stopping the monitoring control during that time.

FIG. 6 shows a fifth embodiment of the remote monitoring and controlling apparatus according to the present invention.
FIG. 7 shows an embodiment of the present invention, which is substantially the same as or equivalent to the input / output unit 5, the common processing unit 7, the transmission processing unit 9, and the signal transmission unit 11 of the slave station device 1 as compared with the conventional configuration shown in FIG. Input / output unit 5'having common functions, common processing unit 7 ', transmission control unit 35 (having the functions of transmission processing unit 9 and signal transmission unit 11), signal transmission unit 11 and transmission control unit of slave station device 1 Line processing unit 3 that performs connection processing between the network 35 and the transmission path 13
7 and a monitor device 4 including a battery unit 39
5 is attached to the slave station device 1.

In this embodiment, the monitor device 45 has substantially the same function as each processing unit of the slave station device 1, and when a failure occurs in the slave station device 1, an input / output unit is provided. This is detected by 5 ', and the line processing unit 37 communicates with the master station device 15 in place of the slave station device 1, and the slave station device 1
While continuing the processing of step 1, the failure status of the slave station device 1 is transmitted.

As a result, even if a failure occurs in the slave station device 1, it is possible to carry out the failure recovery without affecting the monitoring control.

Although the internal configuration of each processing unit of the master station and the slave station has not been described in detail, it goes without saying that the processing means such as a microprocessor is built in.

[0054]

As described above, according to the present invention, the slave station is provided with the monitor device for monitoring the internal failure and the external failure of the slave station apparatus and communicating the failure status of the slave station apparatus to the master station apparatus. When a device failure occurs, the operator can recognize the status of the slave station device and the failure location without the need to visit the slave station and investigate. As a result, it is possible to swiftly take measures for early recovery such as replacement of spare parts such as spare boards and supplies and contact with the manufacturer.

Further, according to the present invention, by providing a function almost equivalent to that of the slave station device so that it can be backed up, even if a failure occurs in the slave station device, failure recovery is carried out without affecting monitoring control. can do.

[Brief description of drawings]

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

FIG. 2 is a diagram showing another example of a line processing unit 37 according to the present invention.

FIG. 3 is a block diagram showing a second embodiment of the distance monitoring control device of the present invention.

FIG. 4 is a block diagram showing a third embodiment of the distance monitoring control device of the present invention.

FIG. 5 is a block diagram showing a fourth embodiment of the distance monitoring control device of the present invention.

FIG. 6 is a block diagram showing a fifth embodiment of the distance monitoring control device of the present invention.

FIG. 7 is a block diagram showing a conventional example of a remote monitoring control device.

[Explanation of symbols]

 1 ... Slave station device 3 ... Switchboard 5 ... Input / output unit 7,7 ', 21 ... Common processing unit 9,19 ......... Transmission processing unit 11,17 ......... Signal transmission unit 13 … Transmission line 15 ………… Master station device 23,25 ………… Device power supply 31,45 ……… Monitor device 33 ………… Fault information input unit 35 ……… Transmission control unit 37 ……… Line processing unit 39 .... Battery unit 41 ..... Edit processing unit 43 ........ Monitoring control unit

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location H04M 11/04 0360-3H G05B 15/02 MH04Q 9/00 311 9466-5K H04L 11/00

Claims (7)

[Claims] 1. A slave station device that receives a status signal from a supervisory control target, processes it as monitoring information, and outputs a control signal to the supervisory control target based on a control command, and a slave station device and a transmission path. Remote monitoring control device including a master station device connected to the slave station device, inputting the monitoring information transmitted from the slave station device, and outputting a control command for the monitoring control target to the slave station device based on the monitoring information. In the above, when the slave station device is in an abnormal state and cannot communicate with the master station device, failure information indicating an abnormal state is input from the slave station device to the master station device via the transmission path. A distant monitoring control device having a monitor device for transmitting. 2. A line switching means for disconnecting the connection between the slave station device and the transmission line and connecting the monitoring device to the transmission line in response to a transmission request from the monitoring device. Item 1. The remote monitoring control device according to item 1. 3. The remote monitoring control device according to claim 1, wherein the monitor device uses a battery as a driving source. 4. The monitor device comprises editing means for editing the failure information input from the slave station device into data suitable for determining a failure occurrence location and a failure cause, and the edited data is sent to the master station device. The remote monitoring control device according to claim 1, wherein the remote monitoring control device transmits. 5. The slave station device monitors the states of internal processing units and device power supplies, and when abnormalities occur in these states, outputs fault information detailing the abnormal states to the monitor device. The distant monitoring and controlling apparatus according to claim 1, further comprising monitoring and controlling means for controlling. 6. The monitor device has a part or all of the functions of the slave station device, and when a failure occurs in the slave station device, the monitor device takes over the processing on behalf of the slave station device. The remote monitoring and control device according to claim 1. 7. A slave station device that inputs a status signal from a supervisory control target, processes it as monitoring information, and outputs a control signal to the supervisory control target based on a control command, and a slave station device and a transmission path. In a remote monitoring control device including a master station device connected to the slave station device, which receives monitoring information transmitted from the slave station device and outputs a control command to the monitoring control target to the slave station device based on the monitoring information. The slave station device has a configuration in which a part or all of the slave device is multiplexed, and when a failure occurs in the operating processing system, the processing is taken over by the standby processing system and is performed to the master station device. A remote monitoring and control device characterized by transmitting fault information.