JP2011169618A - Fault diagnosis system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fault diagnosis system which does not require the correction of software even if the allocated position of a test device is changed. <P>SOLUTION: The fault diagnosis system is composed of a control device having a cascade connecting port to a relay device, the relay device having an upper position cascade connecting port, a lower position cascade connecting port and a plurality of test device connecting ports, a connector which is connected to the test device by being connected to each of the test device connecting ports and is disposed in a storage space, and a display device displaying the position of the test device. The name of the test device is displayed in the display position of the display device corresponding to the storage space in which the test device is disposed, based on storage space position information concerning the display position of the storage space, port position information which correlates the test device connecting port of the relay device and the position information of the storage space, instrument information which correlates the identifier of the test device and the name, and connection device information which correlates the port number to which the test device is connected and the identifier of the test device. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a failure diagnosis system, and more particularly, to a failure diagnosis system capable of displaying arrangement positions of a plurality of testers and the like constituting the failure diagnosis system.

  There is known a test system that controls the operation of a tester or the like according to a predetermined test procedure and measures an output signal from a device under test as a test target (see, for example, Patent Document 1). In this test system, the control unit of the test system has a configuration layout diagram of each tester, and based on the configuration layout diagram, displays about each tester and display about the measurement result of each device under test. ing.

JP 2007-292723 A

In the conventional test system, the configuration layout of each tester stored in the control unit is fixed, and the connection relationship between each tester and the input / output port of the control unit is also fixed. Therefore, when reconfiguring the configuration of the test system and changing each tester, or when changing the placement of each tester, the actual configuration is different from the configuration layout built in the control unit. There was a problem that some software needs to be modified.
An object of the present invention is to solve the above problems and provide a failure diagnosis system that does not require correction of control unit software even if each tester is changed or the arrangement of each tester is changed. .

A typical configuration of the present invention for solving the above-described problems is as follows. That is,
A failure diagnosis system that displays a position of a tester disposed in each of a plurality of storage spaces,
A control device having a cascade connection port that is cascade-connected with the upper cascade connection port of the relay device;
A relay device having an upper cascade connection port, a lower cascade connection port, and a plurality of tester connection ports, wherein the control device is connected to the upper cascade connection port;
A plurality of connectors for connecting to a tester connected to the tester connection port of the relay device, provided in each of the storage spaces, and connected to a tester disposed in the storage space;
A display device connected to the control device and displaying the position of the tester;
The controller is
A storage space position information storage unit for storing information on display positions of the plurality of storage spaces as storage space position information;
In association with the device identification number of the relay device, the port number of the tester connection port of the relay device, and the location information of the storage space provided with the connector connected to the tester connection port, A port location information storage unit for storing port location information;
A device information storage unit that associates the identifier and name of the tester and stores the device information as device information,
A connected device information acquisition unit for acquiring an identifier of the connected tester in a state where the tester is connected to the tester connection port via the connector;
A connection device that associates the acquired identifier of the tester, the port number of the tester connection port to which the tester is connected, and the device identification number of the relay device having the tester connection port. A connected device information creation unit for creating information;
A connected device information storage unit for storing the created connected device information;
Based on the storage space position information, the port position information, the device information, and the connected device information, the name of the tester is displayed at the display position of the display device corresponding to the storage space in which the tester is disposed. A display control unit
A failure diagnosis system comprising:

  According to the failure diagnosis system of the present invention, even if the placement of the tester is changed, the placement position of the tester can be displayed without correcting the software.

It is a figure which shows the structural example of the failure diagnosis system which concerns on this invention. It is a figure which shows the connection state of the control apparatus which concerns on this invention, a relay apparatus, and a test device. It is a figure which shows the structural example of the functional block of the control apparatus which concerns on this invention. It is a figure which shows the structural example of the functional block of the relay apparatus which concerns on this invention. It is a figure which shows the structural example of the apparatus information which concerns on this invention. It is a figure which shows the structural example of the port position information which concerns on this invention. It is a figure which shows the structural example of the connection tester information as connection apparatus information which shows the connection state of the relay apparatus which concerns on this invention, and a tester. It is a figure which shows the structural example of the relay connection apparatus information which is produced with the relay apparatus and shows the connection state of a relay apparatus and a test device. It is a flowchart which shows the process example performed with a control apparatus. It is a flowchart which shows the process example performed with a relay apparatus. It is a figure which shows the structural example of the apparatus block diagram of a failure diagnosis system.

Embodiments of a failure diagnosis system according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration example of a failure diagnosis system according to the present invention. This failure diagnosis system automatically performs tests on predetermined test items in a predetermined order on a device under test (electronic device to be tested) 7 such as a radio device, and obtains the measurement obtained by the test. It is determined whether or not the operation of the device under test 7 is normal based on the value.
In this embodiment, this failure diagnosis system functions as a controller under test for controlling the entire system, determining the quality of measurement values and measurement results, and setting measurement conditions for the device under test 7. A control device (computer) 20, a relay device (computer) 30 to be described later, a plurality of test devices 8 that measure output signals output from the device under test 7, and a device under test based on a switching signal from the control device 20 A switching unit 9 for switching a measurement path (signal connection path) between the tester 7 and the tester 8, a display device 3 for displaying a mounting position of the tester 8 on the rack, an operation input unit 4 such as a mouse, etc. It has. The control device 20 and the device under test 7 are connected by MIL-STD-1553B, LAN, RS-232C, or the like.
The tester 8 is a general-purpose tester widely used regardless of the type of the device under test, such as a reference signal generator that generates a reference signal or a phase detector that detects the phase of the signal, or a specific device under test. For example, the number of dedicated testers used only is several to several tens. Each tester is connected to the control device 20 via a network such as a LAN.

The connection state between the control device 20 and the tester 8 will be described in detail with reference to FIG. FIG. 2 is a diagram showing a connection state of the control device 20 according to the present invention, the relay device 30 as a hub (concentrator), and the tester 8. In the example of FIG. 2, the cascade connection port 28 of the control device 20 is connected to the port 4 that is the upper cascade connection port of the relay device 30 (1). In addition, port 5 which is a lower cascade connection port of the relay device 30 (1) and port 4 which is an upper cascade connection port of the relay device 30 (2) are connected. Similarly, port 4 that is the upper cascade connection port of relay device 30 (n) is connected to port 5 that is the lower cascade connection port of relay device 30 (n-1).
The port 1 which is a tester connection port of the relay device 30 (1) is connected to the tester 8 (1) via the connector 10 (1), and the port 2 is connected via the connector 10 (2). Connected to the tester 8 (2), the port 3 is connected to the tester 8 (3) via the connector 10 (3). Also, port 1 which is a tester connection port of relay device 30 (2) is connected to tester 8 (4) via connector 10 (4), and port 2 is connected to connector 10 (5). The port 3 is connected to the tester 8 (6) via the connector 10 (6). Similarly, port 1 which is a tester connection port of relay device 30 (n) is connected to tester 8 (m-2) via connector 10 (m-2), and port 2 is connected. The port 3 is connected to the tester 8 (m) via the connector 10 (m-1), and the port 3 is connected to the tester 8 (m) via the connector 10 (m).

  Between the control device 20 and the relay device 30, between the upper relay device 30 and the lower relay device 30, and between the relay device 30 and the tester 8, for example, 100BASE− as LAN (Local Area Network) is used. The cable is connected by TX or GP-IB (General Purpose Interface Bus), and communication is possible. In this example, the control device 20 can check the positions of the test devices 8 arranged in multiple stages on the rack or the like in the device configuration diagram shown in FIG. 11 and display them as shown in the device configuration diagram in FIG. Further, the control device 20 automatically performs a test on a predetermined test item with respect to the device under test 7 such as a wireless device, and the operation of the device under test 7 is normal based on the measured value obtained by the test. It can be determined whether or not there is, and the determination result can be displayed in correspondence with the actual arrangement position of the device under test 7. FIG. 11 is a diagram illustrating a configuration example of a device configuration diagram of the failure diagnosis system, and is also a diagram illustrating a screen example of a tester arrangement position display.

As shown in FIG. 1, in this embodiment, the control device 20 includes a CPU (Central Processing Unit) 5 and a memory 6 as a hardware configuration. Further, as shown in FIG. A cascade connection port 28 for inputting / outputting data to / from the device 8 and the device under test 7 is provided.
In the memory 6, a test program in which a test procedure of the device under test 7 is described and images representing the test device 8 and the device under test 7 are made to correspond to the actual arrangement positions of the test device 8 and the device under test 7. An arrangement position display program in which a processing procedure of a display operation to be displayed is described, storage space position information 26 described later, device information 51, and the like are stored.
Each program stored in the memory 6 is read by the CPU 5 and executed. The display device 3 displays information such as test items, measurement results, and arrangement position states according to program processing executed by the CPU 5. The operation input unit 4 receives various instruction inputs by the operator, and may be configured integrally with the display device 3 like a touch panel.

  A functional block diagram of the control device 20 in this embodiment is shown in FIG. FIG. 3 is a diagram illustrating a configuration example of functional blocks of the control device 20 according to the present invention. In the configuration example of FIG. 3, the control device 20 includes a main control unit 21, a connected device information acquisition unit 22, a connected device information creation unit 23, a display control unit 24, and a storage unit 25. The main control unit 21 controls the overall operation of the control device 20. The connected device information acquisition unit 22 acquires the identifier (ID) of the tester 8 connected to the control device 20 via the relay device 30. A method for acquiring the identifier will be described later. The connected device information creating unit 23 creates connected device information by associating the acquired identifier of the tester 8 with the device identification number and the port number of the relay device 30. The display control unit 24 creates and displays display data on the display device 3 and controls display contents.

The storage unit 25 stores storage space position information 26, port position information 61, device information 51, and connection tester information 71 as connected device information.
The storage space position information 26 is position information of a plurality of tester storage spaces. For example, device configuration diagram (appearance display diagram of rack storing tester) data on the display screen of the display device 3, and the device configuration The display position address data indicating the display positions of a plurality of storage spaces in the figure (rack display diagram) and space number data described later are included, and the display position address data and the space number data are associated with each other. The storage space position information is input from the operation input unit 4 by an operator or read from a storage medium and registered.

  The port location information 61 is information that associates the device identification number and port number of the relay device 30 with the location information of the storage space in which the connector 10 connected to the port is provided. A configuration example of the port position information 61 is shown in FIG. In the example of FIG. 6, the device identification numbers and port numbers of the relay devices 30 (1) to (n) correspond to the space numbers that are the location information of the storage space in which the connector 10 connected to each port is provided. It is attached. The connector 10 is composed of a connector or the like in this embodiment. The port position information 61 is input from the operation input unit 4 by an operator, or read from a storage medium and registered.

  The device information 51 is information for associating the identifier (ID) of the tester with the name. A configuration example of the device information 51 is shown in FIG. In the example of FIG. 5, the MAC address (Media Access Control address) as the identifier (ID) of the tester 8 and the name of the tester 8 are associated with each other. For example, the top row is a tester having a MAC address of “00: 11: 22: 33: 01: 01” and a tester name of “tester (1)”. These pieces of device information are input from the operation input unit 4 by an operator or read from a storage medium and registered.

The connection tester information 71 as connected device information includes the identifier of the tester 8 acquired in a state where the tester 8 is connected to the port of the relay device 30 via the connector 10, and the device of the relay device 30. This is information that associates an identification number with a port number. A configuration example of the connection tester information 71 is shown in FIG.
In the example of FIG. 7, the connection tester information 71 is a table of each tester 8 connected to the relay device (1) to (n) of the common unit storage rack, and the relay device (1) to (n ) Is a connection tester information table that stores the MAC address and name as an identifier (ID) of each tester 8 connected to each port number in association with each other. The connection tester information 71 is created by the control device 20 based on the relay connection device information 81 created by the relay devices (1) to (n). The relay connection device information 81 will be described later.

  In this embodiment, the relay device 30 is a hub (concentrator), and includes a CPU and a memory as a hardware configuration, and further includes a plurality of ports for inputting / outputting data to / from an external tester. A function of acquiring a MAC address of a tester or the like connected to each port, creating a MAC address table in which each port number is associated with the MAC address, and transmitting the created MAC address table to the control device 20 Have The memory of the relay device 30 stores an operation program of the relay device 30 and the like. Similarly to the control device 20, the relay device 30 can also include a display unit, an operation unit such as a keyboard and a mouse, and the like.

  A functional block diagram of the relay device 30 in this embodiment is shown in FIG. In the configuration example of FIG. 4, the relay device 30 includes a main control unit 31, a connected device information acquisition unit 32, a connected device information creation unit 33, and a storage unit 34. The main control unit 31 controls the overall operation of the relay device 30. The connected device information acquisition unit 32 acquires a MAC address as an identifier of the tester 8 connected to the port of the relay device 30. The connected device information creating unit 33 creates the relay connected device information 81 by associating the acquired MAC address of the tester with the port number of the relay device 30.

The storage unit 34 stores relay connection device information 81. A configuration example of the relay connection device information 81 is shown in FIG. In the example of FIG. 8, the relay connection device information 81 is a table created by the relay device 30 (1), and each port number of the relay device 30 (1) and each tester connected to each port number. It is the relay connection apparatus information table which matches and memorize | stores a MAC address. When the tester 8 is connected to the relay device 30 (1), the connected device information acquisition unit 32 of the relay device 30 (1) reads and acquires the MAC address of the tester 8. Based on the acquired information, the connection device information creation unit 33 of the relay device 30 (1) creates the relay connection device information 81 and stores it in the storage unit 34.
Similarly, when the tester 8 is connected to the relay devices 30 (2) to (n), the relay devices 30 (2) to (n) also read and acquire the MAC address of each tester 8, and the relay devices The same relay connection device information 81 is created and stored by associating each port number of 30 (2) to (n) with the MAC address of each tester 8 connected to each port number.

Next, a processing example according to the embodiment of the present invention will be described using the flowcharts of FIGS. FIG. 9 is a flowchart illustrating an example of processing executed by the control device 20.
FIG. 10 is a flowchart illustrating an example of processing executed by the relay device 30. First, an example of processing executed by the control device 20 will be described.
In step S1 of FIG. 9, the tester display process of the control device 20 is periodically started by an operator or automatically. Next, in step S2 of FIG. 9, the control device 20 reads a data file in which the MAC address as the identifier (ID) of the tester 8 and the name of the tester 8 are stored in association with each other. 5 device information 51 is created and stored in the storage unit 25.

  Next, in step S3 in FIG. 9, the connected device information acquisition unit 22 of the control device 20 designates the first relay device 30 (1) as a search target (HUBX = 1), and steps S4 to S6 in FIG. 2, the relay connection device information 81 (information indicating the connection state between the relay device and the tester shown in FIG. 8) regarding the tester 8 connected to each relay device 30 is acquired from each relay device 30. In the relay connection device information 81, each relay device 30 communicates with the tester 8 connected to the relay device 30, and each tester 8 connected to the tester connection port of each relay device 30. The MAC address as an identifier (ID) is read from each relay device 30 and acquired. Each relay device 30 creates relay connection device information 81 shown in FIG. 8 based on the acquired information and stores it in the storage unit 34.

  More specifically, first, in step S4, the connected device information acquisition unit 22 relates to the tester 8 connected to the first relay device 30 (1) connected to the cascade connection port 28 of the control device 20. The relay connection device information 81 is acquired. Next, in step S5, the next relay device 30 (2) connected to the lower cascade connection port of the first relay device 30 (1) is designated as a search target (HUBX = HUBX + 1), and S6 In the step, it is determined whether or not the relay device 30 (2) designated in step S5 is the last m-th relay device 30 (HUBX = HUBm?). If it is not the last m-th relay device 30 (No in step S6), the process returns to step S4, and relay connection device information 81 related to the tester 8 connected to the relay device 30 (2) is acquired. In this way, the connected device information acquisition unit 22 acquires the relay connection device information 81 related to the tester 8 connected to all the relay devices 30 (1) to (m) cascade-connected to the control device 20. To do.

If the relay device 30 specified in step S5 in FIG. 9 is the last m-th relay device 30 (Yes in step S6), the process proceeds to step S7. In step S7, the control device 20 shows the device configuration diagram (appearance display diagram of the rack storing the tester) data on the display screen of the display device 3, and the display positions of the plurality of storage spaces in the device configuration diagram. A data file storing storage space position information 26 in which display position address data and space number data are associated with each other is read and stored in the storage unit 25. Further, the control device 20 reads a data file in which the device identification number and port number of the relay device 30 and the positional information of the storage space in which the connector 10 connected to the port is provided are stored in association with each other. 6 is created and stored in the storage unit 25.
Next, the connection device information creation unit 23 of the control device 20 creates the connection tester information 71 shown in FIG. 7 based on the relay connection device information 81 acquired from the relay device 30 in step S4, and stores it in the storage unit 25. To do.

  Next, in step S8 of FIG. 9, the display control unit 24 of the control device 20 performs device information 51 acquired in step S2, storage space position information 26 acquired in step S7, port position information 61, and connected devices. Based on the connection tester information 71 as information, screen display data of the device configuration diagram (arrangement position display diagram) shown in FIG. 11 is created and displayed on the display device 3, and the process is terminated in step S9.

Next, a processing example executed by the relay device 30 will be described.
In step S4 of the control device 20, when the control device 20 requests each relay device 30 for relay connection device information 81 related to the tester 8 connected to each relay device 30, step S11 in FIG. Then, each relay device 30 is activated. The activation of each relay device 30 may be performed in response to a request from the control device 20, or may be performed periodically regardless of the processing of the control device 20. Next, FIG. In step S12, the connected device information acquisition unit 32 of the relay device 30 communicates with the tester 8 connected to each relay device 30 to check the connection state, and connects each tester of the relay device 30. The MAC address of each tester connected to the port is obtained by reading from each tester.
Next, in step S13 in FIG. 10, the connected device information creation unit 33 of the relay device 30 relays connected device information indicating the connection state between the relay device and the tester shown in FIG. 8 based on the information acquired in step S12. 81 is created and stored in the storage unit 34, and the process ends in step S14.

As a method for acquiring the MAC address of the tester, in addition to the processing example described above, when the MAC address is present in the communication data, the relay device 30 performs communication data between the control device 20 and the tester 8. Can be obtained, the MAC address of the tester 8 can also be acquired. For example, an Ethernet (registered trademark) frame format includes a destination MAC address and a source MAC address together with data.
Specifically, when the MAC address is present in the communication data, the relay device 30 acquires the MAC address of the tester 8 specifically as follows, for example. (1) Communication data is transmitted from the control device 20 for the purpose of checking the connection of the tester 8 or the like. (2) The communication data reaches the tester 8 via the relay device 30. (3) Response data is transmitted from the tester 8 to the control device 20. (4) When relaying the response data from the tester 8, the MAC address of the tester is acquired from the response data. (5) The response data reaches the control device 20 via the relay device 30.

In the above embodiment, the tester identifier (MAC address) is read from each tester and the screen display data of the arrangement position display diagram is generated and displayed on the display unit. As with the tester, the arrangement position can be displayed.
Further, the present invention can be grasped not only as a system for executing the processing according to the present invention but also as a method, a program for realizing such a method or system, or a recording medium for recording the program. it can.

  20: control device, 3: display device, 4: operation input unit, 5: CPU, 6: memory, 7: relay device, 8: tester, 9: device under test, 10: connector, 21: main control unit , 22: connected device information acquisition unit, 23: connected device information creation unit, 24: display control unit, 25: storage unit, 26: storage space position information, 51: device information, 61: port position information, 71: connection test Device information 81: Relay connection device information.

Claims (1)

A failure diagnosis system that displays a position of a tester disposed in each of a plurality of storage spaces,
A control device having a cascade connection port that is cascade-connected with the upper cascade connection port of the relay device;
A relay device having an upper cascade connection port, a lower cascade connection port, and a plurality of tester connection ports, wherein the control device is connected to the upper cascade connection port;
A plurality of connectors for connecting to a tester connected to the tester connection port of the relay device, provided in each of the storage spaces, and connected to a tester disposed in the storage space;
A display device connected to the control device and displaying the position of the tester;
The controller is
A storage space position information storage unit for storing information on display positions of the plurality of storage spaces as storage space position information;
In association with the device identification number of the relay device, the port number of the tester connection port of the relay device, and the location information of the storage space provided with the connector connected to the tester connection port, A port location information storage unit for storing port location information;
A device information storage unit that associates the identifier and name of the tester and stores the device information as device information,
A connected device information acquisition unit for acquiring an identifier of the connected tester in a state where the tester is connected to the tester connection port via the connector;
A connection device that associates the acquired identifier of the tester, the port number of the tester connection port to which the tester is connected, and the device identification number of the relay device having the tester connection port. A connected device information creation unit for creating information;
A connected device information storage unit for storing the created connected device information;
Based on the storage space position information, the port position information, the device information, and the connected device information, the name of the tester is displayed at the display position of the display device corresponding to the storage space in which the tester is disposed. A display control unit
A failure diagnosis system comprising:

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