JP2014206887A - Method, device and program for displaying communication between customer premises equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display an entire flow in a sequence chart regarding contents of communication between customer premises equipment and to display specific information (such as fault information which is arbitrarily set from the sequence chart in an emphasized manner.SOLUTION: A device for displaying communication between customer premises equipment is configured to display communication data exchanged between consumer electrical appliances or facility equipment (called "customer premises equipment" hereafter) in home or a facility. The device comprises: a communication section for acquiring communication data exchanged between the customer premises equipment; an output information generation section which generates output information for displaying contents of communication between the customer premises equipment; display means for displaying the output information; and a storage region for storing a condition table in which predetermined conditions relating to contents of the communication data are registered. In the output information generation section, data exchanged between the customer premises equipment are displayed in a communication sequence chart and in the case where the communication data are matched to the conditions registered in the condition table, the communication data are displayed in an emphasized manner in the communication sequence chart.

Description

  The present invention relates to a communication display method, apparatus, and program between in-home devices, and more specifically, a communication diagram between smart home appliances and controllers in a facility is displayed in a sequence diagram, and a specific electronic message is highlighted or detailed. The present invention relates to a method, an apparatus, and a program capable of confirming contents.

  In recent years, smart houses (next-generation environmental houses) that perform optimal control by connecting home appliances and equipment in homes and facilities by computerized wiring or wirelessly have been proposed and put into practical use. This technology provides, for example, an air conditioner, lighting, water heater, solar power generation system, storage battery, smart watt hour meter, various sensors (hereinafter referred to as “home device”) with a communication function, and controls each device. Realize understanding of operating status and power consumption. In Japan, according to communication standards such as ECHONET Lite (trade name), these devices can be operated and their status can be acquired by access rules called GET (status acquisition), SET (setting / operation), ANNOUNCE (notification), etc. can do.

  Communication data transmitted between communication devices is originally a byte string of characters, and it is difficult to understand the details of communication status and contents at first glance. In view of this point, a communication protocol analyzer that captures serial communication data transmitted between two communication devices and displays the data in a communication sequence diagram has been proposed (for example, Patent Document 1). In this technology, for example, the beginning and end of telegram data transmitted / received between two communication devices such as an information communication terminal and a modem are captured, and each transmitted / received data is displayed as an arrow indicating a transmission direction on an equidistant scale of a sequence diagram. When any arrow is selected, detailed communication contents are displayed.

JP 2003-273963 A

  However, unlike communication monitoring between devices such as computers and modems, a variety of in-home devices such as air conditioners, lighting, water heaters, solar power generation systems, storage batteries, smart watt hour meters, and various sensors are connected to each other or in smart houses. Since miscellaneous communication is performed between controllers that are integrated and managed, a lot of information is expected to be in a complicated state. For example, in ECHONET Lite which is one of in-home communication protocols, 169 types of devices define a total of about 900 types of information. If you try to display all the communication data exchanged between devices in a sequence on the screen of a computer or a control monitor installed in your home, the arrows indicating individual telegrams will be framed out in a short time, for example, if there is a device failure or The user will not be able to detect important communication data indicating environmental abnormalities. In addition, since such important communication data and non-important communication data are displayed in sequence with arrows having the same format, there is also a problem that the user hardly notices the existence of important communication data.

  Therefore, the present invention displays the entire flow of communication contents between home devices such as homes and business facilities in a sequence diagram, and highlights specific information (failure information, etc.) arbitrarily set from the sequence diagram. Thus, an object of the present invention is to provide a method, an apparatus, and a program that make it easy for a user to see and detect when there is important communication.

  The present invention relates to a communication display device between home devices that displays communication data transmitted / received between home appliances and equipment (hereinafter referred to as “home device”) in a home or facility, and transmits and receives between the home devices. A communication unit that acquires the communication data to be transmitted, an output information generation unit that generates output information for displaying communication contents between the in-home devices, a display unit for displaying the output information, and A storage area for storing a condition table in which predetermined conditions regarding contents are registered, and the output information generation unit displays transmission / reception data between the in-home devices in a communication sequence diagram, and the communication data is stored in the condition table. The communication data is highlighted in the communication sequence diagram when the conditions registered in the above are met.

  When the output data generation unit further matches the condition registered in the condition table, the content of the communication data transmitted / received between the transmission / reception nodes of the communication data retroactively for a predetermined period is displayed on the display means. It is preferable to display.

  It is preferable that the output information generation unit further displays the detailed content of the communication data selected in the communication sequence diagram on the display means.

  In addition to the sequence diagram, the output information generation unit further displays, as icons, a plurality of home devices to which the intra-home device communication display device is connected, and the amount of communication data transmitted and received between the home devices. It is preferable to display and output a communication status display screen that represents the thickness of a line segment connecting corresponding icons.

  When the output information generation unit is further instructed to select any of the icons, the transmission / reception data between the home device corresponding to the icon and another home device is displayed in a communication sequence diagram, and any of the icons is connected. When that line segment is instructed to be selected, it is preferable to display the transmission / reception data between the two in-home devices corresponding to the two icons connected by the line segment in a communication sequence diagram.

  According to the present invention, communication contents between in-home devices are displayed in a sequence diagram, and specific information arbitrarily set is clearly highlighted from the sequence diagram, so that the entire flow of communication between in-home devices can be grasped. At the same time, when there is an important communication such as failure information, it can be detected immediately.

  Moreover, if the detailed content of the message selected in the sequence diagram is displayed, the entire information can be grasped in cooperation with each other. In addition, if a communication status display screen is created separately from the sequence diagram so that each home device is indicated by an icon and the amount of transmitted / received data is displayed by the thickness of the line connecting the icons, The communication status becomes easier to understand visually. Further, when an icon or line segment is selected on this communication status display screen, if the communication content corresponding to the icon or line segment is displayed in a sequence diagram, only the transmission / reception data of the in-home device of interest, or The contents can be confirmed by displaying only the transmission / reception data between the two in-home devices of interest.

FIG. 1 is an image diagram showing an overview of a network between home devices. FIG. 2 is a diagram showing an example of a main screen displayed when the program of the present invention is started. FIG. 3 is a diagram illustrating an example of a display condition setting table indicating options or input items prepared in advance on the system side in the communication history display setting process. FIG. 4 is a diagram illustrating an example of the detailed analysis screen 32. FIG. 5 is a diagram illustrating an example of the hexadecimal dump screen 33. FIG. 6 is a diagram illustrating an example of the sequence display screen 34. FIG. 7 is a diagram illustrating an example of a sequence display setting screen. FIG. 8 is a diagram showing an example of a sequence display condition setting table showing options or input items prepared in advance on the system side in the sequence display setting process. FIG. 9 is a conceptual diagram showing the relationship between the communication status display screen 35 and the sequence screens 36 and 37 when the n icon or line segment is selected and instructed according to a further embodiment of the present invention. FIG. 10 is a diagram illustrating an example of a display condition setting table prepared in advance on the system side in the communication status display setting process.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated in detail, referring drawings. FIG. 1 is an image diagram showing an overview of a network between home devices. As shown in FIG. 1, electric power from a power plant is supplied to a general detached house through a power transmission / distribution facility. In the house, smart home appliances (air conditioners, refrigerators, televisions, etc.) 11 equipped with computers, gas meters 12, smart meters 13 for measuring the amount of power and water used, solar power generation devices 14, storage batteries 15, electric vehicles 16, energy monitors 17 and the like are connected by a wired or wireless in-home communication medium 20. Although any communication medium such as a LAN, PLC, and 920 Mhz band radio can be applied as the home communication medium, the following embodiment will be described as being a home LAN for convenience. Furthermore, energy information is sent to the government or a private energy management organization via the home gateway device 18 to be managed or controlled. The energy monitor 17 is a terminal that is installed in the home and displays states such as the amount of electricity used, electricity bill, amount of power generation, amount of electricity sold, and degree of environmental contribution. In the present specification and claims, all such devices and equipment are referred to as home devices. The inter-home device communication display device of the present invention is connected to the home LAN 20 and displays the communication data transmitted and received between the above-mentioned home devices in an easy-to-understand manner.

  The in-home device communication display device of the present invention can be realized by installing the in-home device communication display program of the present invention in a general personal computer or tablet PC. Or you may comprise so that the energy monitor 17 of FIG. 1 may perform the communication display method between in-home apparatuses of this invention with a hardware or software. Such an inter-home device communication display device includes a display output screen, input means such as a mouse, keyboard or touch panel, a storage area for storing the program, communication log, set condition table, etc. of the present invention, Communication means for acquiring a communication message between apparatuses and processing means for controlling the operation of the apparatus by executing the program of the present invention (all not shown). As described above, the communication means may include a wired LAN port connected to the hub, or may include a wireless communication function for communicating with the WIFI router.

  The processing of the apparatus, method, and program according to the present invention will be described below with reference to screen examples and data table examples. FIG. 2 is a diagram showing an example of a main screen displayed when the program of the present invention is started. Note that the various screens shown below are merely examples, and can be changed as appropriate according to implementation conditions such as the model of the computer and the operating system. As shown in FIG. 2, the main screen has menu items in the upper row, and a communication history display screen 31 is displayed in a large size below the menu items. The communication history display screen 31 displays a list of messages transmitted and received between each in-home device acquired by the communication means as a communication history. On the communication history display screen 31, the oldest electronic message is displayed at the top, and new electronic messages are displayed in succession. In other embodiments, this order may be reversed. In one embodiment, the communication history is configured such that, for example, when “monitor start” is selected from a menu item, a subsequent communication message is acquired and displayed, and thereafter, when “monitor stop” is selected, the communication history is terminated. Further, when “log start” is selected from the menu item, the subsequent communication history is stored in the storage means, and when “log end” is selected, the recording ends. In another embodiment, the communication history may be stored for a predetermined period or a predetermined amount of data, and the amount exceeding this may be automatically deleted from the storage means. The communication history display screen 31 can be scrolled down to refer to a new electronic message. Further, when the “display history save” menu is selected from the “file” column of the menu item, the scrolled message is saved in the storage means regardless of the period or the data amount. The saved communication history can be recalled later and displayed on the communication history screen 31 to perform log analysis thereafter. In the embodiment shown in FIG. 2, each electronic message is assigned with an electronic message No., a transmission date / time (Time), a protocol name (Protocol), a transmission source address (Source), a transmission destination address (Destination), An ESV name (ESV_Name), a size (Size), and contents (Info) are displayed. As will be described later, which items are displayed / hidden on the communication history display screen 31 can be set in advance. For example, a transmission source object (SEOJ), a transmission destination object (DEOJ), and an access destination property (EPC). The access destination property value (EDT) can be selectively displayed.

  In one embodiment, one or a plurality of conditions can be set for a message to be displayed on the communication history display screen 31, a message not to be displayed, and a message to be highlighted among messages transmitted and received between in-home devices. This is done by selecting “Communication History Display Settings” from the “Display” menu on the main screen (not shown), and “Item Name”, “Setting Value”, and “Condition” are related by AND / OR, This is realized by setting. FIG. 3 shows an example of a display condition setting table showing options or input items prepared in advance on the system side in the communication history display setting process. As shown in this figure, the display setting condition table specifies the item names that can be selected, the setting values that can be selected or entered for each item, the selectable conditions such as “equal / not equal”, and the designation here. Correspondence when items and conditions are met (not displayed, highlighted, color specified when highlighted, etc.) is prepared, and the user specifies these conditions on the setting screen to display or highlight only the desired message It can be displayed. This display setting condition is registered in the storage means, and the apparatus verifies the message acquired according to the registered condition, and displays / hides / highlights the message on the communication history display screen 31 if the condition is met. When highlighting is set, when a message that meets the conditions is acquired, it is highlighted with the specified color. In another embodiment, when the display screen is a black and white screen, the font or font may be changed, bold display, or flashing display may be performed. Although not indispensable in the present invention, in one embodiment, a plurality of display setting conditions can be registered, and the priority among a plurality of display setting conditions can be set. After collation, the communication history display screen 31 is displayed / not displayed / highlighted.

  In FIG. 2, a detailed analysis screen 32 is displayed on the left side and a hexadecimal dump screen 33 is displayed on the right side below the communication history screen 31. The detailed analysis screen 32 analyzes and displays the message selected on the communication history display screen 31, and an example thereof is shown in FIG. Here, items such as EHD1, EHD2, TID (transaction ID), SEOJ (ClassGroupCode, ClassCode, InstanceCode), DEOJ (ClassGroupCode, ClassCode, InstanceCode), OPC, and Properties are displayed in the “Item” column. The hexadecimal dump screen 33 displays a message size dumped from the beginning of the message selected on the communication history screen 31 in a relatively easy-to-understand hexadecimal number from the binary number handled by the computer, an example of which is shown in FIG. Show. The detailed analysis screen 32 and the hexadecimal dump screen 33 are not displayed on the main screen when the program is started. For example, when a specific message is selected on the communication history display screen 31 in FIG. You may comprise.

  In the present invention, each message displayed on the communication history display screen 31 can be output as a sequence display screen 34 as shown in FIG. Prior to this processing, the number and names of nodes to be displayed on the sequence display screen 34 and display contents can be set by selecting “sequence setting” from the “display” menu in the upper row (not shown). . FIG. 7 shows an example of a setting screen corresponding to the contents of the sequence display screen 34 of FIG. When “sequence setting” is selected from the menu, the apparatus displays a setting screen as shown in FIG. As shown in the figure, on the sequence setting screen, the information displayed on the arrow, the number of nodes, the address of each node and the name to be displayed can be selected or specified by input. FIG. 8 shows an example of a selection / input item setting table prepared in advance on the system side. In one embodiment, the information displayed on the arrow is, for example, time, protocol, source address, destination address, size, ESV name, data, TID, SEOJ, SEOJ (name), DEOJ, DEOJ (name), etc. 1 or more can be selected. In the example of FIG. 7, the ESV name, SEOJ (name) and EPC (name) are displayed as the display information above the arrow, the number of nodes is 7, the displayed node name (controller, water heater, fuel cell) and address are specified. ing. Here, as an ESV name that is a service for specifying an access rule, for example, in the ECHONET Lite message, SetI, SetC, Get, INF_REQ, SetGet, Set_Res, Get_Res, INF, INFC, INFC_Res, SetGet_Res, SetI_SNA, SetC_SNA, SetC_SNA, SetC_SNA, There are INF_SNA, SetGet_SNA, and the like. Such an ESV name is defined in each communication protocol, and the detailed contents of each are not described in the present specification because they are not characteristic features of the present invention. 7 is registered in the storage means of the apparatus as sequence setting information.

  In the main screen of FIG. 2, “sequence display” is prepared so as to be selectable in the upper “display” menu, and when this is selected, the apparatus refers to the sequence setting information and displays the communication history display screen 31. The displayed message is processed according to the sequence setting information and displayed on the sequence display screen 34 as shown in FIG. More specifically, items registered in the sequence setting information (in the example of FIG. 7, the number of nodes is 7, the display of each node is a controller / water heater / fuel cell, and the arrow is displayed with an ESV name and SEOJ (name ) And EPC (name).) Are extracted from the message, and the transmission date and time and contents are displayed together with the arrow, with the transmission source as the start point of the arrow and the transmission destination as the end point of the arrow. At this time, the apparatus also refers to the display setting condition described above with reference to FIG. 3, and displays / hides / highlights the arrow and / or accompanying character notation on the sequence display screen 34 when the condition is met. Further, although not essential, in one embodiment, the device refers to the transmission destination of the message, and displays an arrow with a solid line in the case of individual communication between nodes and a wavy line in the case of broadcast communication.

  In this example, in the example shown in FIG. 6, the designated home device is displayed as a node on the vertical line on the sequence display screen 34, and the presence of a message transmitted and received between the home devices is indicated by an arrow between the nodes. Indicated. In the embodiment shown in FIG. 6, the transmission date and time is clearly indicated on the left side of each arrow, and a part of the content is displayed on the arrow. In addition, in the case of individual communication between nodes, an arrow is represented by a solid line, and in the case of broadcast communication, it is displayed by a wavy line. In addition, arrows and character information are displayed / not displayed / highlighted according to the setting conditions described above. As a result, the display of unimportant messages is omitted, and important messages such as failure information and sensor value abnormality are highlighted by highlighting or blinking. When the device captures a new message while the sequence display screen 34 is being displayed, the content of the message is checked against display setting conditions and sequence setting information each time, and the sequence diagram is updated to be additionally displayed on the sequence display screen 34. . By such processing, it is possible to display only the desired home device as a monitoring target and display only the desired contents on the arrow without displaying all of the plurality of home devices existing in the sequence diagram. This sequence diagram can be saved in the storage means in accordance with an instruction from the operator and recalled thereafter.

  When any arrow is selected on the sequence display screen 34, the apparatus displays detailed analysis information (see FIG. 4) of the message corresponding to the selected arrow. Specifically, the apparatus manages the identifiable information such as the position or date / time of the arrow displayed on the sequence display screen 34 in association with the original message (the message on the communication history display screen 31 in FIG. 2). The corresponding message is extracted from the coordinates of the selected arrow on the screen or the identifiable information and processed, and the detailed analysis screen 32 (FIG. 4) is displayed. Thereby, the operator can confirm the details of the message that he / she is interested in on the sequence display screen 34. In one embodiment, a hexadecimal dump screen of a message corresponding to the selected arrow may be displayed.

  Furthermore, although not essential in the present invention, in one embodiment, the apparatus can display and output a communication status display screen that displays the communication status between the in-home devices in a manner that is easier to understand visually than the sequence diagram. FIG. 9 shows the communication status display screen 35, sequence diagrams 36 and 37 displayed when an icon or a line segment is selected on the screen 35, and when any arrow is selected on the sequence diagram. It is an image figure which shows the relationship of the detailed analysis screen 32 (refer FIG. 4). As shown in the communication status display screen 35, a plurality of in-home devices are displayed on the screen as icons (for example, reference numeral 41), and a telegram transmitted and received between the in-home devices is displayed as a line segment (for example, reference numeral 42) connecting the icons. Is done. The thickness of this line segment corresponds to the amount of telegrams displayed per unit time or on the communication history display screen.

  Prior to the display of the communication status display screen 35 in FIG. 9, the apparatus acquires communication status display setting information from the operator in advance. For example, a screen similar to the sequence setting screen shown in FIG. 7 is presented, the designation of the number of nodes to be displayed, the node address, and the corresponding icon is received and stored in the storage means as communication status display setting information. In this communication status display setting, an example of an item name and input content setting table prepared in advance by the system is shown in FIG. Here, the icons may be selected from a plurality of icons prepared in advance, or the icons prepared by downloading by an operator may be registered. When the communication status display menu (not shown) is selected from the main screen of FIG. 2, the apparatus reads the communication status display setting information from the storage means and arranges the icons so that the line segments connecting the icons do not overlap. Are displayed on the screen 35. Next, referring to the telegrams per unit time or all the telegrams displayed on the communication history display screen 31 in FIG. 2, the telegram that is a home device in which both the transmission source and the transmission destination are set is extracted, It is displayed as a line segment connecting the icons corresponding to the home device of the transmission source and the transmission destination. At this time, when there are a plurality of electronic messages in which both the transmission source and the transmission destination are the same household device, the line segment between the icons is displayed thickly according to the number. Thereby, as shown in FIG. 9, the line segment which connects between icons corresponding to the quantity of the message | telegram transmitted / received between in-home apparatuses is displayed thickly. Although not required, in one embodiment, the device may further refer to the display setting conditions described above and highlight a corresponding line segment by coloring or blinking when there is a message to be highlighted. Good. In one embodiment, the apparatus updates the communication status display screen 35 as needed or periodically so that when a new message is captured, the information is reflected on the screen 35.

  Further, the device associates each icon and the coordinate position of the line segment on the communication status display screen 35 with the corresponding home device or message, and registers them in the memory. When any icon is selected (clicked), the associated home device is identified from the coordinate position, and the telegram transmitted and received by the home device is extracted and displayed in the sequence diagram 36. This process is almost the same as the contents described in the sequence display screen of FIG. 6, but instead of displaying the telegrams transmitted / received by all the in-home devices specified by the sequence display setting, the selected in-home device transmits / receives. Only the sent messages are displayed with arrows. Thereby, only the message | telegram which the selected in-home apparatus transmitted / received can be grasped | ascertained. In one embodiment, only the in-home devices that exchanged messages with the selected in-home devices may be displayed as nodes without displaying all the nodes.

  In addition, when any line segment is selected (clicked) on the communication status display screen 35, two home devices connected by the line segment are identified from the coordinate position, and transmitted / received between the two home devices. Only the message is extracted and displayed in the sequence diagram 37. This process is the same as above, but only two in-home devices connected by a line segment are displayed as nodes, and only messages transmitted and received between these in-home devices are displayed. Even when displaying these sequence diagrams 36 and 37, the apparatus refers to the display setting conditions described above, and if there is a message to be highlighted, the apparatus highlights the corresponding arrow by coloring or blinking. When any of the arrows in these sequence diagrams 36 and 37 is selected, the apparatus displays the detailed analysis information 34 (see FIG. 4) of the message corresponding to the selected arrow as described above.

  Further, although not essential, in one embodiment, the device stores a communication history of a predetermined amount or a predetermined period before the current time in a storage unit, and defines in advance such as occurrence of a failure, operation stop, and power consumption above a threshold value. When a message including the specified content and / or a message set to be highlighted in the display setting condition is captured, the communication history is displayed or stored retroactively for a predetermined period including the corresponding message. As a result, even if the user does not specify commands such as monitor start and log start themselves, when an important event such as failure of the home device or numerical abnormality occurs, the communication history is automatically traced back for a predetermined period of time. It can be displayed so that the user can identify the event occurrence and its cause.

  As described above, the embodiments and examples of the present invention have been described in detail. However, the technical scope of the present invention is not limited to the above-described embodiments and examples, and the present invention is limited to the appended claims. Various modifications and changes can be realized without departing from the scope of the invention, and it should be understood that all such modifications and changes belong to the technical scope of the present invention. In particular, it is not necessary to have all the various features and functions of the present invention described above, and as long as the technical features described in the claims are included, the invention may be realized as a more simplified embodiment. In the above description, the apparatus of the present invention is described as a personal computer connected to a home communication medium (for example, the LAN 20) or a program operating on the computer, but this is transmitted from the home communication medium via the home gateway 18. It can also be realized as a web service provided by a remote server device connected via the Internet. In this case, for example, the energy monitor 17 (controller) or the home gateway 18 shown in FIG. 1 captures a message between home devices and sends it to a remote server device, and accesses the server device from the energy monitor 17 or a personal computer. It can be configured to implement the method of the present invention.

  According to the present invention, the network between in-home devices is monitored by a personal computer or a dedicated terminal, and the message transmission / reception information of each in-home device is displayed in a list and displayed on the sequence diagram based on the information, thereby enabling communication. The overall flow can be grasped. Furthermore, by presenting a communication status display screen 35 that is easier to understand, it is possible to visually grasp the communication status with a configuration diagram close to the actual one. Also, by displaying the message corresponding to the icon or line segment selected on the communication status display screen in sequence display and further displaying the detailed analysis screen, the situation can be grasped by the sequence and the detailed contents of the communication message considered to be the cause of the phenomenon Can be confirmed.

  The present invention can be used for home network monitoring and development debugging of a communication protocol installed in home appliances.

11 to 17 Home device 20 Home communication medium 31 Communication history display screen 32 Detailed analysis screen 33 Hexadecimal dump screen 34, 36, 67 Sequence display screen 35 Communication status display screen

Claims (9)

A home-to-home communication display device for displaying communication data transmitted and received between home appliances and equipment in homes and facilities (hereinafter referred to as “home device”),
A communication unit that acquires communication data transmitted and received between the in-home devices, an output information generation unit that generates output information for displaying communication contents between the in-home devices, and a predetermined condition relating to the content of the communication data A storage area for storing the registered condition table;
The output information generation unit displays and outputs transmission / reception data between the in-home devices in a communication sequence diagram, and when the communication data matches a condition registered in the condition table, the communication data in the communication sequence diagram A communication display device for inter-home devices, characterized by highlighting.   The communication display device between in-home devices according to claim 1, wherein the storage area stores past communication data transmitted and received between the in-home devices for at least a predetermined period, and the output information generation unit further includes When the communication data matches a pre-defined condition or a condition registered in the condition table, the past communication data is displayed on the display means or stored in the storage area retroactively for a predetermined period. A communication display device between home devices.   3. The intra-premises equipment communication display device according to claim 1, wherein the output information generation unit further displays and outputs the detailed contents of the communication data selected in the communication sequence diagram. Display device.   The communication display apparatus between in-home apparatuses according to any one of claims 1 to 3, wherein the output information generation unit further displays a plurality of in-home apparatuses with icons separately from the sequence diagram, A communication display device between devices at home, which displays and outputs a communication status display screen showing the amount of communication data transmitted / received by the line segment connecting the corresponding icons.   5. The intra-premises equipment communication display device according to claim 4, wherein when the output information generation unit is further instructed to select any of the icons, transmission / reception data between the home equipment corresponding to the icon and another home equipment. Is displayed in a communication sequence diagram, and if any line segment connecting the icons is selected, transmission / reception data between the two in-home devices corresponding to the two icons connected by the line segment is displayed in the communication sequence diagram. A communication display device between home devices. A communication display method between home devices in an information terminal that displays communication data transmitted / received between home appliances and equipment in a home or facility (hereinafter referred to as “home device”), wherein the information terminal comprises:
Acquiring communication data transmitted / received between the in-home devices, generating output information for displaying and outputting communication contents between the in-home devices, displaying the generated output information, and the communication Registering predetermined conditions regarding the contents of the data,
The step of displaying the output information is performed when the information terminal displays transmission / reception data between the in-home devices in a communication sequence diagram and the communication data matches the predetermined condition in the communication sequence diagram. A method for displaying communication between home devices, comprising the step of highlighting communication data.   The communication display method between in-home devices according to claim 6, further comprising: a step in which the information terminal stores at least a predetermined period of past communication data transmitted and received between the in-home devices in the storage area; The method includes the step of displaying the contents of past communication data on the display unit or storing the data in the storage area retroactively for a predetermined period when the condition stipulated in advance or the condition registered in the condition table is met. A communication display device between home devices. A home-to-home device communication display program executed by an information terminal that displays communication data transmitted and received between home appliances and facility equipment (hereinafter referred to as “home device”) in a home or facility,
Acquiring communication data transmitted / received between the in-home devices, generating output information for displaying and outputting communication contents between the in-home devices, displaying the generated output information, and the communication And causing the information terminal to execute a step of registering a predetermined condition relating to data contents in a storage area,
The step of displaying the output information displays transmission / reception data between the in-home devices in a communication sequence diagram, and highlights the communication data in the communication sequence diagram when the communication data matches the predetermined condition. A communication display program between home devices, which causes the information terminal to execute the step of:   9. The program for displaying communication between home devices according to claim 8, further comprising: storing at least a predetermined period of past communication data transmitted and received between the home devices in the storage area; and the communication data is defined in advance. When the condition or the condition registered in the condition table is met, the information terminal is caused to display the contents of past communication data retroactively for a predetermined period on the display means or to store in the storage area. A communication display program between in-home devices.

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