KR101210930B1 - Control apparatus for automatic switch of trackside signal processing modules in railroad - Google Patents

Abstract

PURPOSE: An apparatus for monitoring an automatic switch controller and maintaining communication in a trackside multiplex information processing module for a train is provided to easily maintain communication interface with a trackside information processing device and an interlocking device by changing a communication path through a communication restoration module for bypassing when defects occur. CONSTITUTION: A switch control module(10) transmits a sensing signal from a trackside terminating device to a trackside central control processing unit(40). A communication restoration module(100) includes a switch monitoring unit(140), a first path selecting unit(110), a second path selecting unit(130), and an information processing module selecting unit(120). The switch monitoring unit monitors the power supply of a switch control module(10). The first path selecting unit and the second path selecting unit change the communication paths of a main information processing module(51) and a sub information processing module(52). The information processing module selecting unit includes a second reception relay unit and a second transmission relay unit. [Reference numerals] (10) Switch control module; (100) Communication restoration module; (11) Control unit; (110) First path selecting unit; (12) Switch unit; (120) Information processing module selecting unit; (13) Communication control unit; (130) Second path selecting unit; (14) Network address setting unit; (140) Switch monitoring unit; (15) Display unit; (20) Multiple communication module; (21) Receiving buffer; (22) Transmitting buffer; (23) Transmission path selecting unit; (30) Power supply module; (40) Trackside central control processing unit

Description

Control Apparatus for Automatic Switch of Trackside Signal Processing Modules in Railroad}

The present invention relates to signaling equipment for railway, subway, and affiliated railroads, and is a sub-system of an interlocking device (IXL: Interlocking) interlocked by control of a train control system. The present invention relates to an automatic transfer controller monitoring and communication maintaining device of a train side multiplexing information processing module for maintaining a communication interface between an electronic interlocking device and a line side information processing device, which is an upper system, in the event of a defect due to an external surge.

In general, as illustrated in FIG. 1, a train control system (TCS) is generally classified into an automatic train control (ATC) 2 and a centralized traffic control (CTC) 3. Each device is connected to each other through a communication network.

Here, the interlock device 4, which is a sub-system of the train control system 1, is installed in the station's machine room, the interlocking machine room (IEC), and the outdoor equipment box (OT), which is the central level (CL) and the site. It is divided into information processing module of level (LL) and trackside level (TL).

The track side information processing module is a facility for safely configuring the course of a train and presenting driving conditions to a train crew. It is a system for interworking a signal and a track changer. It is to achieve the purpose.

The track information processing module is a device that performs interworking by an electrical or mechanical method such as a signal switch and a track changer to support smooth train operation in a station yard.

However, the line side information processing module included in the interlocking device 4 described above has a control object having DC or AC input / output characteristics by one module, and has no failure prevention function.

That is, the general line side information processing module does not take any means to check whether the cause of the error is the failure of the control device or the transmission line when a signal error occurs, so that the time for checking the cause of the error is long. Not only that, but also the problem that could not prevent accidents due to errors inevitably.

Accordingly, in the event of a failure of the trackside information processing module, conventionally, the entire train signal system may be affected, which may result in enormous economic and social losses, furthermore, loss of life, and thus, a very high cost. The ripple effect was very serious.

In order to improve such a problem, conventionally, after multiplexing the track side information processing module and monitoring the abnormality of the multiplexed track side information processing module in real time, if a failure occurs in one information processing module, Korean Patent Registration No. 10-0673535 discloses a switching system and a method for multiplexing an information processing module of a train track to automatically switch to another information processing module for multiplexing.

2 is a configuration diagram of a switching system according to the multiplexing of the information processing module for train tracks according to the prior art. As shown in FIG. 2, the communication system communicates with the central control processing unit 40 of the train tracks. , Mn), a switching control module 10, a multiple communication module (Tx / Rx Driver Module) 20, and a power supply module 30.

The information processing module (M1, ..., Mn) is a device that performs interworking by an electrical or mechanical method such as a signal, a line changer, etc. in order to support smooth train operation in the station yard of the track side, one module failure It is configured in a multiplexed state so that a switchover to another normal module can be made.

The transfer control module 10 is configured to monitor the information processing modules (M1, ..., Mn) of the multiplexed track in real time to determine whether there is an abnormality and to automatically switch to the information processing module in a normal state by the result. CPU Module 11, I / O Selection Module 12, Protocol Driver 13, Network Module 14, and LED Display Driver 15).

The control unit 11 receives and performs a command message from the line central control processor 40 through the multi-communication module 20 and transmits the result report message (telegram) to the line control central control processor 40. Meanwhile, the received control message and the transmitted message are compared and analyzed to determine whether the multiplexed information processing modules M1, ..., Mn have failed.

The multi-communication module 20 is configured to connect the multiplexed line side information processing modules (M1, ..., Mn), the transfer control module 100, and the line side central control processing unit 40 by communication, and a receiving buffer. (Rx Buffer) 21, a transmission buffer (Tx Buffer) 22, and a path selector 23.

The transfer system according to the multiplexing of the information processing module of train tracks according to the prior art configured as described above is to perform automatic transfer to the normal information processing module according to the abnormality after multiplexing the track information processing module. It is effective in preventing economic loss due to delay of operation by improving train operation reliability while minimizing time waste required for repair as well as preventing train operation interruption due to faults in the information processing module. In the event of a module failure, automatic switching is also possible to maximize the convenience of maintenance.

However, the transfer system according to the multiplexing of the information processing module of the train tracks according to the prior art is a high-level system when a defect occurs due to a systematic error, damage to the power supply due to an external surge, etc. There is a problem in that it does not maintain the communication interface with the end devices such as the electronic interlocking device and the signal systems (Signals), line switches (Points), train detection (Train Detection), etc., which is a problem that occurs in the general technology There was a problem that occurred equally.

Therefore, in order to improve the problems of the prior art, the present invention may cause an abnormality in the driving power of the multiplexing and changing the edge of the line information processing module, or the signals, the line switches, and the direction detection. When the terminal control signal of each terminal device and the detection signal from each terminal device are not normally inputted or outputted, it is determined that a fault occurs in the monitoring and switching device. An object of the present invention is to provide an automatic transfer controller monitoring and communication maintaining device of a train side multiplex information processing module for maintaining.

The automatic transfer controller monitoring and communication maintaining device of the train side multiplexing information processing module for trains to achieve the object of the present invention is multiplexed to maintain the communication interface between the train side central control unit and the train side terminal end of the train In the defect monitoring and communication maintenance device of the transfer control module for monitoring the information processing modules in real time and control the automatic switching, in real time monitoring the information processing modules of the multiplexed line side to determine the abnormality and the information of the normal state by the result A transfer control module for automatically switching to a processing module; A multiple communication module including a receiving buffer and a transmitting buffer to connect the multiplexed line side information processing module, the transfer control module, and the line side central control processing unit; Monitor the power supply state and signal transmission state of the transfer control module, block the communication path through the multi-communication module according to whether or not a defect occurs, and maintain the communication interface between the central control processor and the information processing module on the line side. Characterized in that it comprises a; communication recovery module to bypass to.

Here, the communication restoration module includes a switching unit monitoring unit for monitoring the power supply state of the switching control module; First and second path selection units for changing a communication path between the line side central control unit and the line side information processing module according to the control of the switching unit monitoring unit; And an information processing module selecting unit which monitors which information processing module communicates with the transfer control module and connects communication with the same information processing module.

The automatic transfer controller monitoring and communication holding device of the train side multiplexing information processing module according to the present invention monitors the power supply state and the control signal of the transfer control module, detects it if it does not operate normally, and is determined to be a defect. In this case, by changing the communication path through the communication restoration module to bypass, there is an effect that it is possible to maintain a communication interface between the electronic interlocking device, which is a higher system, and the lineside information processing device.

1 is a configuration diagram of a communication network of a train control system in general,
2 is a configuration diagram of a switching system according to the multiplexing of the information processing module of the train track side according to the prior art,
3 is an overall block diagram of an automatic switching controller monitoring and communication maintaining apparatus of a train side multiplexed information processing module for a train according to an embodiment of the present invention;
4 is a diagram illustrating a detailed relay circuit of the communication restoration module in FIG. 3.

Referring to Figures 3 and 4 attached to the automatic switching controller monitoring and communication maintenance device of the train line multiplexing information processing module according to an embodiment of the present invention as follows.

Figure 3 is a block diagram of the entire automatic switching controller monitoring and communication maintenance device of the train side multiplexing information processing module according to an embodiment of the present invention, the communication between the line side central control unit of the train and the line side terminal device of the train Transfer control module 10 of the transfer control module for real-time monitoring of the multiplexed track side information processing modules to control the interface and the automatic switching, the information processing module and transfer control module 10 and the line side of the multiplexed line Drives to the multi-communication module 20 including the receiving buffer 21 and the transmitting buffer 22, the transfer control module 10 and the multi-communication module 20 to connect the communication of the central control processor 40. Monitoring the power supply state and the signal transmission state of the power supply module 30 and the transfer control module 10 for supplying power, and blocks the communication path through the multi-communication module 20 according to whether or not a defect occurs. In addition, it is composed of a communication restoration module 100 for bypassing to maintain the communication interface of the central control processor 40 and the information processing modules 51, 52 of the line side.

Here, the automatic switching controller includes the switching control module 10, the multiple communication module and the power supply module (30).

The track side information processing modules 51 and 52 are multiplexed into a plurality of configurations, and in a preferred embodiment, the main information processing module (hereinafter, abbreviated as "main line") (M1) 51 and the preliminary information processing module. (Hereinafter abbreviated as "spare system") (M2) 52.

The line edge terminator includes signals, line switches, and train detection, and the control and detection signal interface between the line edge terminator and the line central control processor 40. It is configured to maintain communication through the multiplexed information processing module consisting of the main system 51 and the preliminary system 52 for.

The transfer control module 10 receives and executes the line edge terminal control signal from the line edge central control processor 40 and transmits the detection signal from the line edge terminal control unit 40 to the line edge central control processor 40. And a multiplexed control unit 11 for analyzing whether the received control signal and the transmitted detection signal are analyzed and determining whether the multiplexed main line or preliminary system 51 or 52 is broken, and the control of the control unit 11. Accordingly, the switching unit 12 which stops and recovers the output of the main system 51 or the preliminary system 52 in which a failure or malfunction is detected, and automatically switches to the main system 51 or the preliminary system 52 in a normal operation to maintain the output. And a communication control unit 13 for controlling and managing the multiple communication module 20 under the control of the control unit 11, and transmitting the operation state of the transfer control module 10 to the communication restoration module 100. , Network network according to automatic switching of the transfer control module 10 Operation state and communication of the network address setting unit 14, the main line 51, the preliminary line 52, and the automatic switching controller 10, 20, 30 to set a value and notify the control unit 11 of this. It consists of the display part 15 which displays a path | route.

The control unit 11 performs arithmetic operations independently according to control messages output from the central control processor 40 of the track side, but if the results of the arithmetic operations are the same, the main system and the preliminary system (51) (52) Outputs a control command, and if it is not the same, a redundant microprocessor (2 out of 2 voting) or a triplex microcontroller is individually equipped with a program that dissolves the safety fuse and prevents malfunction of the information processing module due to an incorrect command. It is composed of a processor (2 out of 3 voting), and if any one of the multiplexed microprocessor does not output a control signal, it is determined to be a microprocessor defect, and configured to bypass the communication interface to the communication restoration module 100. .

The multi-communication module 20 detects the control signal from the line side central control processing unit 40 and the line side information processing module 51 and 52 transmitted and received through the communication restoration module 100. Transmit and receive buffers 21 and 22 for buffering and outputting signals, respectively, and the main and preliminary systems 51 and 52, which are automatically switched by the control unit 11 of the transfer control module 10, at the center of the line side. And a transmission path selection unit 23 for selecting a communication path of transmission to the control processing unit 40 and the control unit 11.

The communication restoring module 100 is a switch monitoring unit 140 for monitoring the power supply state of the switching control module 10 and the central control processing unit 40 under the control of the switch monitoring unit 140. And the first and second path selection units 110 and 130 for changing the communication paths with the main and preliminary systems 51 and 52, and the main system 51 or the preliminary system in the transfer control module 10. 52, an information processing module selection unit 120 which monitors which information processing module communicates with and connects communication with the same information processing module.

The first and second path selectors 110 and 130 may transmit and receive the first and second relays 111 to bypass the paths from the multi communication module 20 under the control of the switch monitor 140. (112) and the transmission, reception main relay, preliminary relay unit 131, 132, the information processing module selection unit 120 is between the first, second path selection unit (110) 130 A second transmission and reception relay unit configured to maintain communication with the selected information processing modules 51 and 52 by transmitting and receiving signals bypassed by the first and second path selection units 110 and 130; 121) 122;

The first transmission / reception relay unit 111 and 112 and the second transmission / reception relay unit 121 and 122 are duplicated control signals R DLM (S DLM) from the line central control processing unit 40. ) Consists of a pair of relays for interfacing the transmit and receive signals.

The main relay unit 131 and the preliminary relay unit 132 each have a pair of main relays for interfacing each redundant pair of transmit and receive signals to maintain communication with the main or reserve system selected by the controller 11. Each of the main transmission and reception relays, and a pair of preliminary transmission and reception relays in the preliminary system, respectively.

Each relay is obtained as a latch relay that maintains a final contact state even when the driving power is cut off.

The operation according to the embodiment of the present invention configured as described above will be described in detail with reference to FIGS. 3 and 4 as follows.

First, the communication restoration module 100 according to an embodiment of the present invention is the power supply state of the automatic switching controller 10, 20, 30 to monitor and automatically change the operation of the main line, the preliminary system (51) (52) And malfunctions of the microprocessor, and if a fault occurs, shuts off the communication interface through the automatic switching controllers 10, 20, and 30, and bypasses the corresponding main or spare system 51, 52. To maintain communication.

3 is a block diagram of an automatic switching controller monitoring and communication maintaining apparatus of the train side multiplexed information processing module according to an embodiment of the present invention.

The transfer control module 10 includes a plurality of microcontrollers in which two control messages are respectively included in the control unit 11 through the transmission buffer 22 included in the multi-communication module 20 from the line side central control processing unit 40. Transmitted to the process MP1 (MP2), the multiple micro-process (MP1) (MP2) is arithmetic operation for controlling the information processing modules (M1, ..., Mn) of the multiplexed line side in accordance with the control message Will be performed.

At this time, the value calculated from the operation of the multiplexed micro process (MP1) (MP2) is returned to the central control processor 400 of the line side through the receiving buffer 21 included in the multi-communication module 200 The central control processing unit 400 of the line side compares the values of the redundant operation results. When the duplicated operation values match with each other, the central control processing unit 40 of the line side is multiplexed, The control command for preparing the transmission message of the preliminary systems 51 and 52 is outputted to the transfer control module 10.

Then, the control unit 11 composed of the microprocessors MP1 and MP2 multiplexed in the switching control module 100 turns off the switching unit 12 and the network initially set up from the network address setting unit 14. By controlling the communication control unit 13 according to the address, the output state of the multiplexed information processing modules M1 and M2 is maintained as it is, and the holding state is displayed through the display unit 15.

That is, the micro process (MP1) (MP2) configured in the control unit 11 in the transfer control module 100 is first obtained in the state of acquiring the control right of the main system, the reserve system 51, 52, the main system, the reserve system ( 51) (52) is monitored and the output is maintained as it is in the normal operation state, but when the failure occurs in the presently operating one of the multiplexed main and preliminary systems 51 and 52 as a result of the monitoring, the multiplexing The microprocessor MP1 or MP2 blocks the output of the information processing module in which the failure occurs among the multiplexed main or preliminary systems 51 and 52, and transfers a control signal for automatic switching to a normal information processing module. Output to section 12.

That is, the switching unit 12 stops and retrieves the output of the information processing module that detects a failure or malfunction under the control of the multiplexed microprocesses MP1 and MP2, and maintains a normal operation state. Automatic switching to the module to maintain the mutual output of the signal and the line changer to support the train operation.

Meanwhile, at the same time, automatic switching from the information processing module in which the failure occurs by the switching unit 12 to the normal information processing module is performed, and the multiplexed microprocess MP1 MP2 of the control unit 11 is a network address. After receiving the network address set automatically by the setting unit 14, the path selector 23 included in the multi-communication module 20 is controlled according to the network address, and accordingly, the transmission path selector 23 is controlled. The communication communication path of the information processing module whose operation is determined by automatic switching maintains communication with the central control processor 40 through the communication restoration module 100.

That is, through the reception buffer 21 and the transmission buffer 22 of the multi-communication module 20, a line through each of the first and second path selection units 110 and 130 of the communication restoration module 100. As the communication control between the central control processor 40 of the side and the autonomous main or preliminary system 51, 52 is made, the control of the signals and the line changers required for the train operation can be maintained without stopping. .

However, if a defect such as a control signal of the transfer control module 30 or a power supply state in the power supply module 30 occurs in the communication restoration module 100, the control of the line side central control processor 40 is performed. Signals cannot be transmitted to the main or preliminary system (51) (52), and the current state detection signal of the line edge terminator of the main or preliminary system (51) (52) is transmitted to the central control processor (40). A disconnection state of the communication interface occurs that prevents normal transmission.

In one embodiment of the control signal defect of the transfer control module 30, when the power supply is not normally supplied to the control unit 11, or if any one of the multiplexed microprocessor (MP1) (MP2) does not operate normally, The controller 11 generates a defect that prevents the normal control signal from being output.

In order to prevent this, the communication restoration module 100 selects the first and second paths by the switch monitoring unit 140 as a defect of a control signal output and a power supply state of the switch control module 10 is detected. Blocks the communication interface through the multi-communication module 20, which is a communication path before the occurrence of a defect by controlling the unit 110, 130, and the line side central control processing unit 40 and the main or preliminary system (51) (52). Bypass to maintain the communication interface.

4 is a detailed circuit diagram of a communication restoration module according to an embodiment of the present invention. Referring to this, the operation of the communication restoration module will be described in detail as follows.

As the first path selection unit 110 detects the communication and power supply state defects by the switch monitoring unit 140, the first transmission / reception relay unit 111 by the switch monitoring unit 140. 112) to switch the communication path.

That is, the contacts of the first transmission and reception relay unit 111 and 112 block the transmission and reception paths of the line side central control processing unit 40 and the multi-communication module 20, and the line side central control processing unit. The transmission and reception paths between the 40 and the second transmission / reception relay units 121 and 122 of the information processing module selection unit 120 are switched.

At this time, the second path selector 130 blocks the transmission and reception paths to and from the multi-communication module 20 under the control of the transfer monitoring unit 140 similarly to the first path selector 110. In addition, the information processing module selection unit 120 is transferred to the communication path.

That is, the main relay and the preliminary relay relays 131 and 132 are transferred from the contact point with the multi-communication module 20 to the contact point with the second transmission and reception relay parts 121 and 122, respectively. .

On the other hand, the second transmission and reception relay unit 121, 122 of the information processing module selection unit 120 is the main system 51 or the preliminary system 52 before the defect occurs of the automatic transfer controller from the control unit 11; Stay connected.

Currently, the information processing module selection unit 120 shown in FIG. 4 maintains each relay contact so that the communication interface is maintained through the preliminary system 52.

That is, the connection state of the second transmission / reception relay units 121 and 122 of the information processing module selection unit 120 is connected to the preliminary transmission / reception relay unit 132 of the second path selection unit 130. Transmission and reception signals with the preliminary system 52 are transmitted through the contact connection.

As described above, the automatic transfer controller monitoring and communication maintaining apparatus of the train side multiplexing information processing module according to an embodiment of the present invention is the central control processing unit 40 as a defect occurs in the automatic transfer controller. Communication path between the main and spare systems 51 and 52 and the first path selection unit 110, the information processing module selection unit 120, and the second path of the communication restoration module 100 through the relay contact switching. The selector 130 bypasses the transmission and reception signals to maintain communication.

In addition, although specific embodiments of the present invention have been described and illustrated above, it will be apparent that various modifications may be made by those skilled in the art according to the multiplexing number of the information processing module of the present invention.

It should be understood, however, that such modified embodiments are not to be understood individually from the spirit and scope of the invention, and such modified embodiments are intended to be included within the scope of the appended claims.

10: transfer control module 11: control unit
12: switching unit 13: communication control unit
14: network address setting section 15: display section
20: Multiple communication module 21: Receive buffer
22: Transmission buffer 23: Transmission path selector
30: power supply module 40: central control processing section of the line
51: main system 52: preliminary system
100: communication restoration module 110: first path selection unit
111,112: first transmission / reception relay unit 120: information processing module selection unit
121,122: second transmission and reception relay unit 130: second path selection unit
131,132: main relay, preliminary relay unit 140: switchboard monitoring unit

Claims (11)

Automatic switching controller monitoring of train side multiplexing information processing module for real time monitoring and automatic switching of multiplexed track side information processing modules to maintain communication interface between train side central control processing unit of train and railway side termination device of train In the communication holding device,
A switching control module which monitors the information processing modules of the multiplexed rail in real time to determine whether there is an abnormality and automatically switches to the information processing module in a normal state by the result;
A multiple communication module including a receiving buffer and a transmitting buffer to connect the multiplexed line side information processing module, the transfer control module, and the line side central control processing unit;
Monitor the power supply state and signal transmission state of the transfer control module, block the communication path through the multi-communication module according to whether or not a defect occurs, and maintain the communication interface between the central control processor and the information processing module on the line side. Automatic transfer controller monitoring and communication maintenance device of a train line multiplexed information processing module for a train comprising a. The method of claim 1,
The transfer control module receives and executes the line edge terminal control signal from the line side central control processing unit, and transmits the detection signal from the line side central control unit to the line side central control processing unit. A multiplexing controller which compares and analyzes the detected signals to determine whether a failure of the multiplexed information processing module occurs;
A switching unit for stopping and retrieving an output of the information processing module in which a failure or malfunction is detected under the control of the control unit, and automatically switching the information processing module to a normal operation to maintain the output;
A communication control unit which controls and manages multiple communication modules under control of the controller, and transmits an operation state of the transfer control module to the communication restoration module;
A network address setting unit for setting a network address according to automatic switching of the multiplexed line edge information processing module and notifying the control unit of the network address; And
And a display unit for displaying an operation state and a communication path of the multiplexed lineside information processing module. 2. The automatic switching controller monitoring and communication maintaining apparatus of the multiplexed lineside information processing module for trains. The method of claim 2,
The control unit independently performs arithmetic operations according to the control message output from the central control processing unit, but if the results of the arithmetic operation are the same, the control unit outputs a control command to the railway side information processing module, and if it is not the same, safety The program that melts the fuse and prevents the malfunction of the information processing module due to an incorrect instruction is composed of a dual microprocessor (2 out of 2 voting) or a triple microprocessor (2 out of 3 voting) separately mounted. Automatic switching controller monitoring and communication maintenance device of the train side multiplexing information processing module for the train. The method of claim 3, wherein
When both the redundant and tripled microprocessors malfunction, the communication restoration module detects the malfunction and bypasses the communication paths between the line control central control unit and the information processing module to maintain communication. Automatic switching controller monitoring and communication maintenance device of multiplexing information processing module. The method of claim 1,
The multi-communication module may include: a transmission and reception buffer configured to buffer control signals from the line edge central control processor and the detection signal from the line edge information processing module respectively transmitted and received through the communication restoration module; And
A train path selection unit for selecting a communication path for transmission to the central control unit and the control unit of the track side where automatic switching is performed by the control unit of the transfer control module; Automatic switching controller monitoring and communication maintenance device of multiplexing information processing module. The method of claim 1,
The communication restoring module may include: a switching unit monitoring unit configured to monitor a power supply state of the switching control module;
First and second path selection units for changing a communication path between the line side central control unit and the line side information processing module according to the control of the switching unit monitoring unit; And
An information processing module selecting unit for monitoring communication with the information processing module in the transfer control module and connecting communication with the same information processing module; Automatic transfer controller monitoring and communication maintenance device. The method according to claim 6,
The first and second path selectors are switched by the switch monitor that detects an error in the supply power to the transfer control module to block the communication paths through the multi-communication module, and the first path selector and the Monitoring the automatic transfer controller of the train side multiplexed information processing module for bypassing the communication path through the information processing module selection unit and the second path selection unit to maintain communication between the line control central control unit and the information processing module. And communication holding device. The method according to claim 6,
The first and second path selection unit includes a first transmission and reception relay unit and a main and spare relay unit for switching by the switching unit monitoring unit to bypass the path to the information processing module. Automatic transfer controller monitoring and communication maintenance device for train side multiplexing information processing module. The method of claim 8,
The first transmission and reception relay unit is composed of a pair of relays for interfacing the transmission and reception signals of the duplicated control signal (R DLM) (S DLM) from the central control processor.
The main and preliminary relay unit may be selected as a main system or a preliminary system so that communication is maintained so that each pair of main relays, a reception relay, and a spare system are connected to a main system for interfacing each paired redundant transmission and reception signals. Automatic transfer controller monitoring and communication maintenance device of the train line multiplexing information processing module, characterized in that each of the pair of pre-transmission, reception relay. The method according to claim 6,
The information processing module selector is located between the first and second path selectors, and the second transport maintains communication of the transmitted and received signals bypassed by the first and second path selectors to the selected information processing module. , Receiving relay unit; automatic switching controller monitoring and communication maintaining device of the train line multiplexing information processing module for comprising a. 11. The method of claim 10,
The second transmission and reception relay unit comprises a pair of relays each for interfacing the transmission and reception signals of the control signal (R DLM) (S DLM) duplexed in the central control processing unit on the line side. Automatic switching controller monitoring and communication maintaining device of multiplexing information processing module.

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