JPH0466367A - Distributed control device and its control method - Google Patents

Abstract

PURPOSE:To expedite the restoring work of a transmission system by sending reset information to a sound control device in case one of control devices dispersingly arranged in pairs is stopped so as to restart the control device placed in the operation stopped state. CONSTITUTION:Plural terminal devices 14, 16, 18 are provided in the respective loop-connected signal transmission lines 10, 12 of a general purpose double transmission system, and A-system station control devices 28, 32 and B-system station control devices 30, 34 are respectively installed at the terminal devices 16, 18. When the operation of the station control device 30, for instance, is stopped in such a system, reset information from a central control device 24 is transmitted as the process of restoring the station control device 30, through the A-system signal transmission line 10, and a driving signal is outputted from the terminal 52 of an information processing part 36 so as to excite a relay 68 and close a relay contact 70. A reset signal is thereby inputted into a reset terminal 56 through the reset contacts 70, 72 to restart an information processing part 38.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a distributed control device and a control method thereof, and particularly to a distributed control device disposed via a signal transmission path when the operation of the control device is stopped. , relates to a distributed control device suitable for restoring this control device by remote control, and a control method thereof.

[Conventional technology]

Conventionally, when controlling vehicles such as trains, terminal equipment was placed at the central station, and terminal equipment was distributed at each station.
Each terminal station device is connected via a double signal transmission path, a pair of station control devices is placed at each station, and information related to train control is transmitted to the signal transmission path via the terminal device at each station. A configuration has been adopted to make this possible. In such a system, as described in the paper starting from page 201 of the ``23rd Domestic Papers on the Use of Cybernetic Phosphorus in Railways'',
A communication control device is installed corresponding to each station control device, and when the operation of each station control device is stopped, a station control device heliset signal is transmitted from each communication control device as a recovery process for this station control device. A method is adopted in which the station control equipment is restarted using a reset signal.

[Problem to be solved by the invention]

However, in the conventional technology, general-purpose L
No consideration is given to the use of AN, and when a general-purpose LAN is used as a signal transmission path, it is not possible to provide each station with a communication control device that is used only for dedicated lines. Therefore, when a general-purpose LAN is used as a signal transmission path, it is necessary to provide a dedicated reset control device for each station control device at each station, or to have an operator visit each station and directly reset the station control device.

SUMMARY OF THE INVENTION An object of the present invention is to provide a fractional type control device and a control method thereof that can restore a station control device by remote control using a signal transmission path.

[Means to solve the problem]

In order to achieve the above object, the present invention, as a first device, connects a terminal station device located at a central monitoring station and a terminal station device distributed at each station via a signal transmission path, In a communication system in which a pair of station control devices are connected to a terminal device at each station, the station control device at each station operates in response to a start-up command and exchanges information with other terminal devices via the terminal device at one station. Each information processing unit has a reset signal generation terminal that generates a reset signal when reset information is input, and a reset signal generation terminal that receives a reset signal from the information processing unit of another system. A reset terminal is provided for restarting the information processing section, and each reset signal generation terminal is connected to a reset terminal of another system via a reset signal transmission path, respectively.
Each reset signal transmission path is provided with an interlock circuit and a reset circuit that open and close the reset signal transmission path, corresponding to the information processing section, and each interlock circuit is connected to the information processing section of its own system. A distributed control device characterized in that the reset signal transmission path is closed only when the operation stops, and each reset circuit closes the reset signal transmission path only when the information processing section of its own system inputs reset information. It is composed of

As a second device, in a communication system in which a plurality of communication stations are connected via a signal transmission path.

There are multiple information processing units that operate in response to activation commands and exchange information with other communication stations via signal transmission lines, and are arranged corresponding to each information processing unit, and the information processing unit of its own system receives reset information. A plurality of reset signal sending units that send out reset signals to other information processing units of the own station when input is input, and reset signal sending units arranged corresponding to each information processing unit to receive reset signals from reset signal sending units of other systems. This is a distributed control device characterized in that each communication station is provided with a plurality of restart command units that instruct the information processing unit of its own system to restart when a signal is received. .

As a third device, in a communication system 11 in which a master station and a plurality of slave stations are connected via a signal transmission path, a device that operates upon receiving an activation command and connects the master station or other slave stations via the signal transmission path. A plurality of information processing units are arranged corresponding to each information processing unit, and when the information processing unit of the own system inputs reset information from the master station, other information processing units of the own station A plurality of reset signal sending units are arranged corresponding to each information processing unit to send out a reset signal to the information processing unit of the own system when a reset signal is received from the reset signal sending unit of the other system. This is a distributed control device characterized in that each slave station is provided with a plurality of restart command units that issue restart commands to the slave stations.

The first control method is to connect the terminal equipment located at the central monitoring station and the terminal equipment distributed at each station via a signal transmission path, and connect a pair of station control equipment to the terminal equipment at each station. In a connected communication system, when transmitting and receiving information between each station and the central monitoring station, if the operation of one of the station control devices at one of the stations is stopped, upon restoration,
The central monitoring station transmits reset information via the signal transmission path to the station control device that is paired with the station control device that is in an inactive state, and the station control device that inputs the reset information transmits the reset information to the station control device that is paired with the station control device that is in an inactive state. This method employs a distributed control device control method that instructs the control device to restart.

As a second control method, in a communication system in which a plurality of control devices are installed in each communication station group connected to each other via a signal transmission path, information is transmitted between the control devices of each communication station via the signal transmission path. When transmitting and receiving data, if the operation of one of the control devices of the communication station stops, when the operation is restored, the signal transmission path from one of the communication stations to the control device that is paired with this control device is This adopts a control method for a distributed control device in which reset information is transmitted via the station, and the control device that has input the reset information instructs other control devices in its own station to restart.

As a third control method, in a communication system in which a group of slave stations are each provided with a plurality of control devices that are connected to a master station via a signal transmission path, between each slave station or between each slave station and the master station. When transmitting and receiving information to and from the slave station via the signal transmission path, if the operation of one of the control devices of one of the slave stations is stopped, when the operation is restored, the control device that is paired with this control device is , which adopts a distributed control device control method in which reset information is transmitted from a master station via a signal transmission path, and the control device that has input the reset information instructs other control devices in its own station to restart. It is.

[Effect]

When the operation of one of the station control devices at any station among the station devices distributed along the signal transmission path is stopped, the interlock circuit of this station control device is activated, and the station control Reset information is transmitted from the central monitoring station to the station control device paired with the device, and the reset circuit of the station control device of the other system is activated. As a result, the station control device in the inactive state and the station control device paired with this station control device are connected via the reset signal transmission path, and the station control device can be restarted by the reset signal input to the reset terminal. It will be done. That is, the station control device can be restored by remote control.

Furthermore, in a system in which a plurality of communication stations or slave stations are connected via signal transmission paths, when the operation of any information processing section of each station is stopped.

When reset information is input to other information processing units of your own station,
A reset signal is sent from a healthy information processing section to an information processing section that is in an inactive state, and the information processing section that is in an inactive state is restarted.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

In Fig. 1, a signal transmission path 10 using a general-purpose duplex transmission system is shown.
．． 12 are connected in a loop, and each signal transmission line 10
．． A plurality of terminal equipment 14, 16, and 18 are provided in the terminal 12. The terminal station N14 is located at the central monitoring station, and is connected to the central control unit M24 via the A line line control unit 2Q and the B line line control unit 22. The central control device 24 is connected to a keyboard 26, and various information can be input from the keyboard 26.

On the other hand, the terminal devices 16 and 18 are distributed at each station. The terminal device 16 is equipped with an A-system station control device 28 and a B-system station control device H30.
A system station control device 32 and a B system station control device 34 are installed. Each station control device! 28° 30.32 and 34 are connected to the signal transmission line 10.12 via the terminal equipment i16 and i18, respectively, and are configured to exchange information with the central control unit 24 via the signal transmission line 10.12. It has become. Namely.

Each station control device! 28, 30, 32, and 34 are input with the train schedule information generated by the central control unit W24, and each station control unit 28, 30, 32, and 34 are input with the train schedule information generated by the central control unit W24. ! Train information is now sent to 24. In addition, each station control device 28, 30゜32.34 uses train information obtained from adjacent station control devices to control the signal at station 0,
They are responsible for operating the rolling stock and providing broadcast information. In addition, the terminal equipment 16.18 of each station includes the signal transmission path 1o,
Of the information transferred to station 12, only the information regarding station 0 is taken in, and the other information is transferred as is. Further, the line control devices i20, 22 are configured to select data sent from the central control device 24, and send the selected data to the signal transmission path 10 or the signal transmission path 12, respectively.

The station control devices W2B and 32 and the station control devices 30 and 34 have the same functions, and the station control devices 28 and 30 have the same functions.
As shown in the figure, information processing units 36, 38 and interlock circuits 40 and 4 are configured with microcomputers.
2. It is constructed with reset circuits 44 and 46.

The information processing units 36 and 38 are terminal equipment a! 16, it is designed to exchange information and control station control equipment. Furthermore, this information processing unit 36.38 has a terminal 4.
8, 50, 52, 54, 56° 58, 60, 62 are provided. Terminals 48° 56 are for each information processing section 36.38
The terminals 54 and 62 are provided as reset signal generation terminals. Then, terminal 48 is connected to relay contact 64, and terminal 5 is connected to relay contact 64.
0 to relay 66, terminal 52 to relay 68, terminal 54
are connected to the relay contacts 70, respectively. terminal 56
is connected to relay contact 72, terminal 58 is connected to relay 74, and terminal 6 is connected to relay contact 72.
0 is connected to the relay 76, and the terminal is connected to the relay contact 78. Furthermore, relay contacts 64 and 78 are connected via a reset signal transmission line 8o, and relay contacts 70 and relay contacts 72 are connected via a reset signal transmission line 82. The relays 66, 74 are each configured to be energized and close the contacts of the relay contacts 64, 72 when the information processor 36, 38 is deactivated. Relays 68 and 76 are each configured to close relay contacts 70.78 when reset information is input to information processing section 36.38. That is, the interlock circuit 40.42 is the information processing section 36.38.
The reset circuits 44 and 46 are configured as reset signal sending units that send out reset signals when the information processing units 36 and 38 input reset information. .

In the above configuration, when the operation of the station control device 30 of each station stops, that is, when the operation of the information processing section 38 stops, a down signal is output from the terminal 58 and the relay
74 is energized and relay contact 72 closes. After that, when the central control device 24 transmits the terminal device 16 heliset information via the A thread signal transmission line 10 as a process for restoring the station control device M30, the information processing section 36 of the information processing sections 36 and 38 Only reset information is entered. When the reset information is input to the information processing section 36, a drive signal is output from the terminal 52, the relay 68 is excited, and the relay contact 70 is closed. At this time, a reset signal is sent from the terminal 54, and this reset signal is input to the reset terminal 56 via the relay contacts 70, 72. As a result, the information processing section 38 is restarted. Since the relay contact 72 closes only when the operation of the information processing section 38 is stopped, information processing will not continue even if a reset signal is sent from the information processing section 36 when the operation of the information processing section 38 is stopped. Part 3
8 will not restart.

In this way, the station control device 3 out of the station control devices 28.30
When the operation of the station control device 30 is stopped, the station control device 30 can be restarted simply by transmitting reset information from the central control bag M24 to the station control device 28.

Furthermore, in the above embodiment, a case has been described in which the station control device 30 itself stops operating, but the line control device i22
When disconnected from the B thread signal transmission line 12, the station control device connected to the signal transmission line 12! 30.34 will be in an inactive state, but even in such a case, the B-system station control device 30.
34 restarts can be performed. That is, when the operation of the station control device 30 is stopped, the interlock circuit 4
2 is activated and relay contact 72 closes its contact. Afterwards, when the function of the line control device 22 is restored, if a command to restore the dual system is entered from the keyboard 26, this command is transmitted as reset information to each station control device [28, 30 via the signal transmission line 1o]. be done. As a result, the station control device 2
The reset circuit 44 of 8 is activated, the information processing unit 38 heliset signal is sent from the information processing unit 36, and the station control device 3
0.34 will be restarted. Similarly, the station control device 34 is restarted in the same way as the station control device 30 when the central control device 24 sends a recovery command to the station control device 32. After the B-system station control device 30.34 is restarted, the restoration of the B-thread signal transmission line 50 is completed, and it becomes possible to send and receive information using the dual transmission system, and each signal transmission line 10.12 is Train operations can be managed through

Furthermore, even if information is being exchanged only in the single transmission system due to maintenance or an accident in the station control equipment 28, 30 or 32, 30, it is possible to restore the system to a duplex system by repeating the same operation. I can do it.

In this way, according to this embodiment, even if the transmission system goes down, solid bags can still be used! ! Since the station control equipment can be restarted by commands from 24, it is possible to restart the station control equipment at each station without visiting each station, greatly reducing the time required to start up the transmission system. be able to. Furthermore, even if a recovery command is input by operating the keyboard 26, the interlock circuit will not operate unless the operation of each station control device [30, 34] is stopped, which prevents the station control device from being restarted by mistake. , can contribute to improved reliability.

In addition, in the above embodiment, restarting of the station control device distributed at each station was described, but in a communication system in which a plurality of communication stations are connected via a signal transmission path, a master station and a plurality of slave stations Each of the embodiments described above can also be applied to a communication system in which the devices are connected via a signal transmission path. In other words, each communication station or slave station has a plurality of information processing units that operate upon receiving a startup command and exchanges information with other stations, and a self-system information processing unit arranged corresponding to each information processing unit. a plurality of reset signal sending units that send out reset signals to other information processing units in its own station when the station inputs reset information; This is made possible by a configuration that includes a plurality of restart command units that instruct the information processing unit of its own system to restart when a reset signal is received. In this case, a wired or wireless signal transmission path can be used to send and receive signals between the reset signal sending section and the restart command section.

Furthermore, in each of the embodiments described above, it is also possible to use a general-purpose LAN as the signal transmission path instead of relying on the duplex transmission system.

〔Effect of the invention〕

As explained above, according to the present invention, when the operation of one of the control devices in a group of control devices distributed in a pair of power supplies is stopped, reset information is sent to the healthy control device and the control device starts operating. Since the control device that is in a stopped state is restarted, the control device can be restarted by remote control, which contributes to speeding up the restoration work of the transmission system.

[Brief explanation of the drawing]

FIG. 1 is an overall configuration diagram showing an embodiment of the present invention, and FIG. 2 is a specific configuration diagram of a station control device. 10.12... Signal transmission line, 14, Colo, Co-8... Terminal device, 20.22... Line control device, 24... Central control device, 26... Keyboard, 28.30 , 32.34...Station control device, 36.38
...Information processing department. 40.42...Interlock circuit, 44.46...
・Reset circuit. Figure 1

Claims (1)

[Claims] 1. A terminal station device located at a central monitoring station and a terminal station device distributed at each station are connected via a signal transmission path, and a pair of station control devices are connected to the terminal station device at each station. In the communication system, the station control device at each station has an information processing unit that operates upon receiving an activation command and exchanges information with other terminal devices via the terminal device of its own station, Each information processing unit has a reset signal generation terminal that generates a reset signal when reset information is input, and a reset signal generation terminal that receives a reset signal from the information processing unit of another system to restart the information processing unit of its own system. Each reset signal generation terminal is connected to the reset terminal of another system via a reset signal transmission path,
In each reset signal transmission path, an interlock circuit and a reset circuit that open and close the reset signal transmission path are provided corresponding to the information processing section, and each interlock circuit stops the operation of the information processing section of its own system. 1. A distributed control device, wherein a reset signal transmission path is closed only when the reset information is inputted, and each reset circuit closes the reset signal transmission path only when an information processing section of its own system inputs reset information. 2. In a communication system in which a plurality of communication stations are connected via a signal transmission path, a plurality of information processing units that operate upon receiving an activation command and exchange information with other communication stations via the signal transmission path. , a plurality of reset signal sending units disposed corresponding to each information processing unit and sending out a reset signal to other information processing units of the own station when the information processing unit of the own system inputs reset information; A plurality of restart command units are arranged corresponding to each information processing unit, and each unit instructs the information processing unit of its own system to restart when a reset signal is received from a reset signal sending unit of another system. A distributed control device characterized in that it is installed in a communication station. 3. In a communication system in which a master station and multiple slave stations are connected via a signal transmission path, the device operates upon receiving a startup command and exchanges information with the master station or other slave stations via the signal transmission line. When the information processing unit of its own system inputs reset information from the master station, it sends a reset signal to other information processing units of its own station. It is arranged corresponding to multiple reset signal sending units and each information processing unit, and instructs the information processing unit of its own system to restart when it receives a reset signal from the reset signal sending unit of another system. 1. A distributed control device characterized in that each slave station is provided with a plurality of restart command units that perform restart commands. 4. Communication that connects the terminal equipment located at the central monitoring station and the terminal equipment distributed at each station via a signal transmission path, and connects a pair of station control equipment to the terminal equipment at each station. In the system, when transmitting and receiving information between each station and the central monitoring station, if the operation of the station control device at either station is stopped, when the operation is restored, the station control device that is in the inactive state The central monitoring station transmits reset information to the station controllers forming the station via the signal transmission path, and the station controller that has input the reset information instructs other station controllers at its own station to restart. A control method for a distributed control device. 5. In a communication system in which a plurality of control devices are installed in each communication station group connected to each other via a signal transmission path, when information is exchanged between the control devices of each communication station via the signal transmission path. , when the operation of one of the control devices of the communication stations is stopped, at the time of recovery, reset information is sent from one of the communication stations to the control device paired with this control device via the signal transmission path. A control method for a distributed control device in which a control device that has transmitted and inputted reset information instructs other control devices of its own station to restart. 6. A master station via a signal transmission path In a communication system in which a group of slave stations connected to each other are each provided with a plurality of control devices, signals are transmitted between each slave station or between each slave station and the master station. When transmitting and receiving information via a transmission path, if the operation of one of the control devices of the slave station is stopped, when the operation is restored, the control device paired with this control device is
A control method for a distributed control device in which reset information is transmitted from a master station via a signal transmission path, and the control device that has input the reset information instructs other control devices in its own station to restart.