WO2022157891A1 - ロギング支援装置、ロギングシステム、ロギング支援方法及びプログラム - Google Patents
ロギング支援装置、ロギングシステム、ロギング支援方法及びプログラム Download PDFInfo
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- 238000004891 communication Methods 0.000 description 19
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- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 206010044048 Tooth missing Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0264—Control of logging system, e.g. decision on which data to store; time-stamping measurements
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present disclosure relates to a logging support device, a logging system, a logging support method, and a program.
- a PLC Programmable Logic Controller
- the PLC may need to record logs related to the device for functional improvement, troubleshooting, etc. Recording a log is hereinafter also referred to as logging.
- a "device" in the PLC field means a memory area used by a program executed by the PLC.
- a device represents, for example, a signal received from a sensor, a signal output to an actuator, an internal state, a timer, and the like.
- the processing load on the PLC is light.
- the number of devices can reach several hundred thousand, and if many devices are targeted for logging, there is a risk that the demands for real-time and periodicity cannot be met due to the processing load due to logging. Therefore, it is necessary to limit the devices to be logged.
- the user's usage period is on the order of 10 years, so it is assumed that the storage capacity for saving logs is scarce. Therefore, it is necessary to limit the devices that are the target of logging from the viewpoint of the capacity for storing logs.
- Patent Document 1 discloses a technique for analyzing a user program executed by a PLC and extracting devices to be logged.
- Patent Document 1 has the problem that the device that is the target of logging is automatically determined from the contents of the user program, and the user cannot freely specify the device that is the target of logging.
- the purpose of the present disclosure is to provide a logging support device or the like that allows a user to efficiently and freely designate devices to be logged.
- the logging support device is device enumeration means for analyzing a project file of a control system containing a programmable logic controller and enumerating devices associated with said control system; display control means for displaying a list of devices enumerated by the device enumeration means on display means; device specifying means for specifying a device to be logged among the devices displayed on the display means based on a user's operation; target data creating means for creating target data indicating a device specified as a logging target by the device specifying means; Prepare.
- the user can efficiently and freely specify the device to be logged.
- a diagram showing the overall configuration of a logging system according to an embodiment of the present disclosure A diagram showing an example of a registration screen displayed by a logging support device according to an embodiment of the present disclosure
- a diagram showing an example of a registration screen displayed by a logging support device according to an embodiment of the present disclosure A diagram showing an example of a registration screen displayed by a logging support device according to an embodiment of the present disclosure
- a diagram showing an example of a registration screen displayed by a logging support device according to an embodiment of the present disclosure A diagram showing a functional configuration of a logging support device according to an embodiment of the present disclosure
- a diagram showing a functional configuration of a programmable logic controller according to an embodiment of the present disclosure A diagram showing an example of a hardware configuration of a logging support device according to Embodiment 1 of the present disclosure Flowchart showing an example of logging target registration operation by the logging support device according to Embodiment 1 of the present disclosure
- a logging system 1 includes a logging support device 10 , a PLC 20 and one or more field devices 30 .
- the logging system 1 is a logging system in which the PLC 20 records device logs. Although the details will be described later, the PLC 20 records a log of the device registered by the logging support device 10 .
- a logging system 1 is an example of a logging system according to the present disclosure.
- the PLC 20 is a programmable logic controller communicably connected to each field device 30 .
- the field device 30 includes, for example, a sensor that is an input device and an actuator that is an output device.
- a control system is realized by cooperation of each field device 30 based on a program executed by the PLC 20 .
- the control system is, for example, a product production system that operates in a factory.
- the PLC 20 can record logs of devices related to the control system. For example, when field device 30 includes a pressure sensor, PLC 20 may log the device indicating pressure values detected at the pressure sensor. Also, for example, the PLC 20 can record logs for devices that indicate intermediate states that are used only inside the PLC 20 .
- the PLC 20 is also communicably connected to the logging support device 10 . The PLC 20 records logs for devices registered as logging targets by the logging support device 10 .
- PLC 20 is an example of a programmable logic controller according to the present disclosure. In addition, the functional configuration of the PLC 20 will be described later.
- the logging support device 10 is a logging support device for registering in the PLC 20 devices to be logged by the PLC 20 . Further, although the details will be described later, according to the logging support device 10, the user can efficiently and freely specify the device to be logged.
- the logging support device 10 is an example of a logging support device according to the present disclosure. Note that the functional configuration of the logging support device 10 will be described later.
- the logging support device 10 is, for example, a personal computer running an engineering tool program.
- the engineering tool here is a tool for creating a program, setting parameters, etc. for a control system including the PLC 20 and the field device 30 .
- the engineering tool has not only functions related to program creation and parameter setting, but also functions related to logging target registration.
- the user first uses the logging support device 10 to create a project file for the control system using the programming function and parameter setting function of the engineering tool.
- a project file is a set of a program for operating the PLC 20 and setting data for operating the PLC 20 .
- the user uses the logging support device 10 to register the logging target device in the PLC 20 by the logging target registration function of the engineering tool.
- a list of devices is displayed on a screen as shown in FIG.
- This screen is a GUI (Graphical User Interface), and the user can perform operations on the screen using an input device such as a mouse or touch pad.
- the character strings displayed in the "device name/label name" column shown in FIG. 2 are identifiers for identifying each device.
- the "device name” is, for example, an identifier automatically assigned to each device by the engineering tool program when creating the project file.
- a “label name” is an identifier voluntarily assigned to a device by a user when creating a project file, for example.
- the “label name” is preferentially displayed in FIG. Displaying the “label name” preferentially makes it easier for the user to identify each device. For example, in FIG. 2, d1, d2, etc. are “device names”, while MA01 is a "label name”.
- FIG. 2 no condition is entered. Also, in FIG. 2, only the device whose device name is d3 is checked in the column of "logging target?". This indicates that the device whose device name is d3 is currently registered as a logging target. Although five devices are currently displayed on the screen, by operating the scroll bar on the right, it is possible to display devices that are not displayed on the screen.
- the display screen shown in FIG. 3 is the result of the user inputting the conditions in which the "type” is “sensor” and the "program name” is “prg01". As a result, only devices whose "type” is “sensor” and whose "program name” is “prg01” are displayed on the screen.
- the display screen shown in FIG. 4 also appears when the user puts a check in the check box in the column "logging target?" for each device.
- the user when the user determines that there is no need to specify or exclude logging targets any more, the user selects the "confirm logging targets" button to select all logging targets specified as logging targets. Devices can be registered with the PLC 20 as logging targets. When the user determines that it is necessary to further specify or exclude logging targets, the user can continue the operation of specifying conditions and specifying and excluding logging targets described above.
- the user can freely and efficiently specify the devices to be logged.
- the user can change the display items of each column shown in FIGS. For example, the "data name” item may not be displayed, and instead the “comment” item may be displayed to indicate the comments that the user made on the device when the project was created.
- the user can specify character strings included in comments such as "environmental temperature”, “operating voltage”, and "internal state” as conditions.
- the user can easily determine which device should be logged, and can narrow down the logging targets by specifying the comment as a condition.
- the logging support device 10 includes a logging setting unit 100 , a project creation unit 110 , a storage unit 120 , a display unit 130 , an operation unit 140 and a communication unit 150 .
- the display unit 130 displays information to be displayed to the user.
- the display unit 130 is, for example, a liquid crystal display.
- the display unit 130 displays, for example, a screen for creating a project file and a screen for specifying a device to be logged.
- the display unit 130 is an example of display means according to the present disclosure.
- the operation unit 140 outputs a signal based on the user's operation.
- the operating unit 140 is an input device such as a keyboard, mouse, or touch pad.
- the storage unit 120 stores a project file D121 and target data D122. Details of the project file D121 and the target data D122 will be described later.
- a project file D121 is an example of a project file according to the present disclosure.
- the project creation unit 110 displays a screen for creating the project file D121 on the display unit 130, and stores the project file D121 in the storage unit 120 based on the signal output by the operation unit 140 based on the user's operation.
- the logging setting unit 100 has a function related to registration of devices to be logged.
- the logging setting unit 100 includes a device enumeration unit 101 , a display control unit 102 , a condition designation unit 103 , an item designation unit 104 , a device designation unit 105 and a registration unit 106 .
- the device enumeration unit 101 analyzes the project file D121 stored in the storage unit 120 and enumerates devices related to the control system.
- the device enumeration unit 101 is an example of device enumeration means according to the present disclosure.
- the display control unit 102 controls the display unit 130 to display a list of devices enumerated by the device enumeration unit 101 on the display unit 130 .
- the display screen shown in FIG. 2 is displayed on the display unit 130, for example.
- the display control unit 102 displays a list of devices satisfying the condition on the display unit 130.
- FIG. 3 the display screen shown in FIG. 3 is displayed on the display unit 130, for example.
- the display control unit 102 displays items corresponding to the item about the device on the display unit 130 when displaying the list of devices.
- the display control unit 102 is an example of display control means according to the present disclosure.
- the condition designating unit 103 designates the conditions of the devices to be displayed on the display unit 130 among the devices, based on the signal output by the operation unit 140 based on the user's operation. For example, in FIG. 2, when the user inputs the conditions in the stippled portion as shown in FIG.
- the condition designation unit 103 is an example of condition designation means according to the present disclosure.
- the item specifying unit 104 specifies items to be displayed when displaying the list of devices based on a signal output by the operating unit 140 based on the user's operation.
- the item designation unit 104 is an example of item designation means according to the present disclosure.
- the device specifying unit 105 selects devices to be logged and devices to be excluded from logging among the devices displayed on the display unit 130 by the display control unit 102 based on a signal based on the user's operation output by the operation unit 140. specify. For example, in FIG. 3, when the user puts a check mark in the column "Target logging?" Specify the device to be Similarly, for example, in FIG. 4, when the user unchecks the column "Targeted for logging?" , to specify devices to exclude from logging. Further, the device specifying unit 105 saves the target data D122 indicating the device specified as the logging target in the storage unit 120 .
- the device specifying unit 105 is an example of device specifying means and target data creating means according to the present disclosure.
- the registration unit 106 refers to the target data D ⁇ b>122 stored in the storage unit 120 and registers the logging target device in the PLC 20 . Specifically, the registration unit 106 registers the logging target device in the PLC 20 by transmitting information indicating the logging target device to the PLC 20 via the communication unit 150 described below.
- the communication unit 150 communicates with the PLC 20.
- the communication unit 150 is implemented by, for example, a network interface.
- the communication unit 150 particularly transmits information indicating the device to be logged to the PLC 20 .
- the PLC 20 includes a registration reception unit 200 , a logging unit 210 , a storage unit 220 , a first communication unit 230 and a second communication unit 240 .
- the PLC 20 has general functions as a programmable logic controller.
- the first communication unit 230 communicates with the logging support device 10.
- the first communication unit 230 is realized by, for example, a network interface.
- the first communication unit 230 particularly receives information indicating the device to be logged from the logging support device 10 .
- the second communication unit 240 communicates with each field device 30.
- the second communication unit 240 is implemented by, for example, a PLC input/output unit.
- the logging unit 210 which will be described later, logs logs of devices related to the field device 30 based on information acquired through communication with the second communication unit 240 .
- the storage unit 220 stores logging target data D221 and log D222.
- the logging target data D221 is data indicating a device to be logged.
- the log D222 is a log related to the device targeted for logging.
- the storage unit 220 is an example of storage means according to the present disclosure.
- the registration reception unit 200 receives registration of devices to be logged by the registration unit 106 of the logging support device 10 . Specifically, the registration reception unit 200 receives information indicating the device to be logged from the logging support device 10 via the first communication unit 230, and creates logging target data D221 indicating the device to be logged. and save it in the storage unit 220 .
- the registration reception unit 200 is an example of registration reception means according to the present disclosure.
- the logging unit 210 refers to the logging target data D221 stored in the storage unit 120, and logs a log related to the logging target device to the storage unit 120 as a log D222.
- the logging unit 210 is an example of logging means according to the present disclosure.
- the logging support device 10 shown in FIG. 7 is implemented by a computer such as a personal computer, a smart phone, or a tablet terminal, for example.
- a computer such as a personal computer, a smart phone, or a tablet terminal, for example.
- Each function of the logging support device 10 is realized by installing an engineering tool program in these computers and executing the engineering tool program on the computer.
- the logging support device 10 includes a processor 1001, a memory 1002, an interface 1003, and a secondary storage device 1004, which are interconnected via a bus 1000.
- the processor 1001 is, for example, a CPU (Central Processing Unit). Each function of the logging support device 10 is realized by the processor 1001 reading the engineering tool program stored in the secondary storage device 1004 into the memory 1002 and executing it.
- CPU Central Processing Unit
- the memory 1002 is, for example, a main memory configured by RAM (Random Access Memory).
- the memory 1002 stores engineering tool programs read by the processor 1001 from the secondary storage device 1004 .
- the memory 1002 also functions as a work memory when the processor 1001 executes the operating program.
- the interface 1003 is an I/O (Input/Output) interface such as a serial port, a USB (Universal Serial Bus) port, or a network interface.
- the function of the communication unit 150 is implemented by the interface 1003 .
- the function of the display unit 130 is realized by connecting a liquid crystal display to the interface 1003, and the function of the operation unit 140 is realized by connecting an input device such as a mouse, a keyboard, or a touch panel to the interface 1003. .
- the secondary storage device 1004 is, for example, flash memory, HDD (Hard Disk Drive), SSD (Solid State Drive).
- the secondary storage device 1004 stores engineering tool programs executed by the processor 1001 . Also, the function of the storage unit 120 is implemented by the secondary storage device 1004 .
- FIG. 8 The operation shown in FIG. 8 is executed, for example, when the user executes the engineering tool program on the logging support device 10 and calls the logging target registration function among the functions of the engineering tool.
- the device enumeration unit 101 of the logging setting unit 100 of the logging support device 10 analyzes the project file D121 stored in the storage unit 120 and enumerates devices related to the control system (step S101).
- the display control unit 102 of the logging setting unit 100 displays the device list enumerated in step S101 on the display unit 130 (step S102).
- steps S101 and S102 for example, the display screen shown in FIG.
- the item specifying unit 104 of the logging setting unit 100 specifies items to be displayed when displaying the list of devices based on the user's operation (step S103).
- the display control unit 102 displays a device list including the items specified in step S103 on the display unit 130 (step S104).
- the condition specifying unit 103 of the logging setting unit 100 specifies device conditions to be displayed on the display unit 130 based on the user's operation (step S105).
- the display control unit 102 displays, on the display unit 130, a list of devices satisfying the conditions specified in step S105 among the devices enumerated in step S101 (step S106).
- steps S105 and S106 for example, the display screen shown in FIG.
- the device specifying unit 105 of the logging setting unit 100 specifies devices to be logged and devices to be excluded from logging based on the user's operation (step S107). At this time, the device specifying unit 105 saves in the storage unit 120 the target data D122 indicating the device specified as the logging target at this time.
- the logging setting unit 100 determines whether or not the device to be logged is determined by the user's operation (step S108). For example, the logging setting unit 100 determines based on a signal from the operation unit 140 whether or not the button "Confirm logging target" in FIGS. 2, 3 and 4 has been selected. Determine whether or not the device to be logged has been determined.
- step S108 When the user's operation has not determined the device to be logged (step S108: No), the logging setting unit 100 repeats the operations from step S103.
- the registration unit 106 of the logging setting unit 100 refers to the target data D122 stored in the storage unit 120, and selects the device to be the logging target. Register in the PLC 20 (step S109). Then, the logging setting unit 100 ends the logging target registration operation.
- step S103 to step S108 are described as being executed in series in FIG. 8, these operations may be executed in parallel as appropriate.
- the operations from step S103 to step S104 and the operations from step S105 to step S106 can be executed in parallel.
- the logging system 1 has been described above.
- the user can specify conditions from the device list to narrow down the devices, and further specify devices to be logged and devices to be excluded from logging. Therefore, according to the logging support device 10, the user can efficiently and freely specify the device to be logged.
- the PLC 20 stores the logging target data D221 and the log D222 in the same storage unit 120.
- FIG. since the log D222 can be enormous, a large-capacity external storage may be connected to the PLC 20 and the log D222 may be stored in the external storage. Also, not only the log D222 but also the logging target data D221 may be stored in the external storage.
- the device names of the devices to be logged are d1, d2, d4, d6, d7, d8, etc., although the numbers are almost consecutive, but there are "missing" points.
- the range is set to "d1 to d8" including "tooth missing”. Designation may be preferable in terms of processing efficiency and the size of the logging target data D221.
- the access method of the hardware circuit of the PLC 20 it may be more efficient to access in units of a specific number of bits or bytes, such as 64 bits or 256 bits, or there may be restrictions on the access method. In this case, it may be more preferable from the viewpoint of processing efficiency to specify a wider range than "d0 to d15".
- the size of the logging target data D221 can be reduced by specifying a range such as "d1 to d8" rather than specifying the logging target by "missing” such as "d1, d2, d4, d6, d7, d8".
- the log D222 can be stored in the external storage as described above, the capacity of the storage unit 120 that stores the logging target data D221 may be extremely small. In this case, since it is required to reduce the size of the logging target data D221, it is preferable to specify a range rather than specify by "toothless".
- the registration unit 106 of the logging support device 10 designates the range of devices to be logged. By registering with the PLC 20 through the Alternatively, when the device accepted as the logging target by the registration accepting unit 200 of the PLC 20 is the above-mentioned "missing tooth", the registration accepting unit 200 registers the logging target device as the logging target data D221 by specifying the range.
- the registration unit 106 registers with the minimum range specification to reduce the size of the logging target data D221, and the registration reception unit 200 of the PLC 20 re-extends the range specification according to the specifications of the hardware circuit of the PLC 20. You can split the processing so that
- the project file D121 may be changed by registering a new device after registering a logging target device, by deleting a device, by changing parameters, or the like. In this case, it is a burden on the user to have the user specify the device to be the logging target again from scratch. Therefore, the condition data indicating the conditions specified by the condition specifying unit 103 at the time of initial target specification is saved in the storage unit 120, and when the project file D121 is changed, the device specifying unit 105 receives the user's operation. Alternatively, devices to be logged may be automatically specified based on the conditions. By automatically designating the device to be logged by the device designating unit 105, it is possible to reduce the user's burden of designation.
- the storage unit 120 is an example of condition storage means according to the present disclosure.
- the logging support device 10 registers the logging target device in the PLC 20 by the registration unit 106 .
- the logging support device 10 can create data indicating a device to be logged, the logging support device 10 does not have to include the registration unit 106 .
- the registration unit 106 For example, by storing the target data D122 created by the logging support device 10 in a removable medium such as a USB flash drive or a memory card, and connecting the removable medium to the PLC 20, even without the registration unit 106, logging target data D122 device can be registered in the PLC 20.
- the logging support device 10 has a secondary storage device 1004.
- the configuration is not limited to this, and the secondary storage device 1004 may be provided outside the logging support device 10 and the logging support device 10 and the secondary storage device 1004 may be connected via the interface 1003 .
- removable media such as USB flash drives, memory cards, etc. can also be used as the secondary storage device 1004 .
- the logging support device 10 may be configured with a dedicated circuit using ASIC (Application Specific Integrated Circuit), FPGA (Field Programmable Gate Array), etc. good.
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- part of the functions of the logging support device 10 may be implemented by a dedicated circuit connected to the interface 1003, for example.
- the program used in the logging support device 10 is stored and distributed in a computer-readable recording medium such as CD-ROM (Compact Disc Read Only Memory), DVD (Digital Versatile Disc), USB flash drive, memory card, HDD, etc. It is possible. By installing such a program in a specific or general-purpose computer, the computer can function as the logging support device 10 .
- a computer-readable recording medium such as CD-ROM (Compact Disc Read Only Memory), DVD (Digital Versatile Disc), USB flash drive, memory card, HDD, etc.
- the above program may be stored in a storage device owned by another server on the Internet, and the above program may be downloaded from that server.
- 1 Logging system 10 Logging support device, 20 PLC, 30 Field device, 100 Logging setting part, 101 Device enumeration part, 102 Display control part, 103 Condition specification part, 104 Item specification part, 105 Device specification part, 106 Registration part, 110 project creation unit, 120 storage unit, 130 display unit, 140 operation unit, 150 communication unit, 200 registration reception unit, 210 logging unit, 220 storage unit, 230 first communication unit, 240 second communication unit, 1000 bus, 1001 Processor, 1002 memory, 1003 interface, 1004 secondary storage device, D121 project file, D122 target data, D221 logging target data, D222 log.
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Abstract
Description
プログラマブルロジックコントローラを含む制御システムのプロジェクトファイルを分析して、前記制御システムに関連するデバイスを列挙するデバイス列挙手段と、
前記デバイス列挙手段により列挙されたデバイスの一覧を表示手段に表示する表示制御手段と、
ユーザの操作に基づいて、前記表示手段に表示した前記デバイスのうちロギング対象となるデバイスを指定するデバイス指定手段と、
前記デバイス指定手段によりロギング対象として指定されたデバイスを示す対象データを作成する対象データ作成手段と、
を備える。
図1を参照しながら、実施の形態に係るロギングシステム1を説明する。ロギングシステム1は、ロギング支援装置10とPLC20と1以上のフィールド機器30とを備える。ロギングシステム1は、PLC20がデバイスのログを記録するロギングシステムである。詳細は後述するが、PLC20は、ロギング支援装置10により登録されたデバイスのログを記録する。ロギングシステム1は、本開示に係るロギングシステムの一例である。
実施の形態において、PLC20は同一の記憶部120にロギング対象データD221とログD222とを記憶した。しかし、ログD222は膨大な量となりうるため、PLC20に大容量の外部ストレージを接続し、当該外部ストレージにログD222を保存するものとしてもよい。また、ログD222のみではなく、ロギング対象データD221も外部ストレージに保存するものとしてもよい。
Claims (10)
- プログラマブルロジックコントローラを含む制御システムのプロジェクトファイルを分析して、前記制御システムに関連するデバイスを列挙するデバイス列挙手段と、
前記デバイス列挙手段により列挙されたデバイスの一覧を表示手段に表示する表示制御手段と、
ユーザの操作に基づいて、前記表示手段に表示した前記デバイスのうちロギング対象となるデバイスを指定するデバイス指定手段と、
前記デバイス指定手段によりロギング対象として指定されたデバイスを示す対象データを作成する対象データ作成手段と、
を備えるロギング支援装置。 - 前記ユーザの操作に基づいて、前記表示手段に前記デバイスの一覧を表示する際の表示項目を指定する項目指定手段をさらに備える、
請求項1に記載のロギング支援装置。 - 前記ユーザの操作に基づいて、前記制御システムに関連するデバイスのうち前記表示手段に表示するデバイスの条件を指定する条件指定手段をさらに備え、
前記表示制御手段は、条件指定手段により指定された条件を満たすデバイスの一覧を前記表示手段に表示する、
請求項1又は2に記載のロギング支援装置。 - 前記条件指定手段により指定された条件を示す条件データを記憶する条件記憶手段をさらに備え、
前記デバイス指定手段は、前記プロジェクトファイルに変更があったとき、ロギング対象となるデバイスを、前記条件記憶手段に記憶された条件データが示す条件に基づいて自動的に指定する、
請求項3に記載のロギング支援装置。 - 前記デバイス指定手段は、前記ユーザの操作に基づいて、前記表示手段に表示した前記デバイスの全てのデバイスをロギング対象として指定する、
請求項1から4のいずれか1項に記載のロギング支援装置。 - 前記デバイス指定手段はさらに、ユーザの操作に基づいて、前記表示手段に表示した前記デバイスのうちロギング対象から除外するデバイスを指定し、
前記対象データ作成手段は、前記デバイス指定手段によりロギング対象として指定されたデバイスのうち、前記デバイス指定手段によりロギング対象から除外するデバイスとして指定されていないデバイスを示す対象データを作成する、
請求項1から5のいずれか1項に記載のロギング支援装置。 - 前記デバイス指定手段は、前記ユーザの操作に基づいて、前記表示手段に表示した前記デバイスの全てのデバイスをロギング対象から除外するデバイスとして指定する、
請求項6に記載のロギング支援装置。 - 請求項1から7のいずれか1項に記載のロギング支援装置と、プログラマブルロジックコントローラとを備え、
前記プログラマブルロジックコントローラは、
前記ロギング支援装置の対象データ作成手段により作成された前記対象データを取得する対象データ取得手段と、
前記対象データが示す前記ロギング対象となるデバイスに関するログを記憶手段にロギングするロギング手段と、
を備える、
ロギングシステム。 - プログラマブルロジックコントローラを含む制御システムのプロジェクトファイルを分析して、前記制御システムに関連するデバイスを列挙し、
列挙したデバイスの一覧を表示手段に表示し、
ユーザの操作に基づいて、前記表示手段に表示し前記デバイスのうちロギング対象となるデバイスを指定し、
ロギング対象として指定したデバイスを前記プログラマブルロジックコントローラに登録する、
ロギング支援方法。 - コンピュータを、
プログラマブルロジックコントローラを含む制御システムのプロジェクトファイルを分析して、前記制御システムに関連するデバイスを列挙するデバイス列挙手段、
前記デバイス列挙手段により列挙されたデバイスの一覧を表示手段に表示する表示制御手段、
ユーザの操作に基づいて、前記表示手段に表示した前記デバイスのうちロギング対象となるデバイスを指定するデバイス指定手段、
前記デバイス指定手段によりロギング対象として指定されたデバイスを示す対象データを作成する対象データ作成手段、
として機能させるプログラム。
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