WO2021149943A1 - Dispositif hmi et son procédé de commande - Google Patents

Dispositif hmi et son procédé de commande Download PDF

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Publication number
WO2021149943A1
WO2021149943A1 PCT/KR2021/000069 KR2021000069W WO2021149943A1 WO 2021149943 A1 WO2021149943 A1 WO 2021149943A1 KR 2021000069 W KR2021000069 W KR 2021000069W WO 2021149943 A1 WO2021149943 A1 WO 2021149943A1
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WO
WIPO (PCT)
Prior art keywords
debug
screen
data
execution mode
hmi device
Prior art date
Application number
PCT/KR2021/000069
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English (en)
Korean (ko)
Inventor
도필환
Original Assignee
엘에스일렉트릭 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘에스일렉트릭 주식회사 filed Critical 엘에스일렉트릭 주식회사
Priority to CN202180009874.1A priority Critical patent/CN114981744A/zh
Publication of WO2021149943A1 publication Critical patent/WO2021149943A1/fr

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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
    • G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • 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
    • 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
    • G05B23/0267—Fault communication, e.g. human machine interface [HMI]
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/33—Director till display
    • G05B2219/33297—Diagnostic, test, debug
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/34—Director, elements to supervisory
    • G05B2219/34493—Supervision, display diagnostic, use or select between different stored screen

Definitions

  • the present invention relates to an HMI device and a method for driving the same, and more particularly, when it is necessary to check communication data such as simple parameters, numerical values and statuses, it is necessary to add an object in the HMI device without modifying the project file to quickly transmit the communication data. It relates to an HMI device that can be checked and a method for driving the same.
  • the SCADA Supervisory Control And Data Acquisition
  • HMI Human Machine Interface
  • the HMI device is generally connected to the software and database of the SCADA system, and may provide a monitoring function, an analysis function, and the like using various data provided from various industrial devices disposed in an industrial site.
  • the HMI device may display a monitoring screen on the display unit.
  • the HMI device may display the data related to the industrial site in the shape of an object recognizable by the user on the monitoring screen. Accordingly, the user can analyze and manage the industrial site in real time by using the object displayed on the display unit.
  • each object displayed on the HMI device corresponds to data related to the industrial site, and the object has unique characteristics according to the role and function of each data.
  • the user may identify which industrial device or which process data the corresponding object corresponds to by using the characteristics of the object.
  • the user can edit the screen data for the objects arranged on the monitoring screen and the control data for the control information of the objects by using a screen editing device such as a personal computer (PC).
  • a screen editing device such as a personal computer (PC).
  • the HMI device may receive screen data and control data from the screen editing device and store them. Accordingly, the HMI device may display a monitoring screen based on data provided from the screen editing device.
  • An object of the present invention is to provide an HMI device that can quickly check communication data by adding an object in the HMI device without modifying a project file when it is necessary to check communication data such as simple parameters, numerical values, and status, and a method for driving the same The purpose.
  • a display unit for displaying a debug edit mode screen and a debug execution mode screen; a data editing unit for generating or modifying debug screen data and debug control data according to a user's input in the debug edit mode screen; and a debug screen;
  • an HMI device including a control unit for controlling a display unit to display a debug execution mode screen according to data, and receiving communication data from an industrial device according to the debug control data.
  • the debug screen data may include object information on an object displayed on the display unit
  • the debug control data may include operation information of the object and input information on communication data displayed on the object.
  • controller may control the communication data to be displayed on the object.
  • control unit may switch between the debug edit mode screen and the debug execution mode screen according to a user input.
  • the HMI device may further include a storage unit for storing debug screen data and debug control data.
  • the storage unit stores a project file including screen data and control data generated by the screen editing device, and the control unit controls the project execution mode screen to be displayed on the display unit according to the screen data, and communicates from the industrial device according to the control data. data can be received.
  • control unit may switch between the project execution mode screen, the debug edit mode screen, and the debug execution mode screen according to a user's input.
  • the present invention provides the steps of displaying a debug edit mode screen on a display unit, generating or modifying debug screen data and debug control data on the debug edit mode screen, and displaying a debug execution mode screen on the display unit according to the debug screen data.
  • a method of driving an HMI device comprising: displaying; receiving communication data from an industrial device according to debug control data; and displaying the communication data on a debug execution mode screen.
  • a method of driving an HMI device includes the steps of: storing a project file including screen data and control data generated by a screen editing device; and displaying a project execution mode screen on a display unit according to the screen data It may further include the step of
  • the method of driving the HMI device according to an embodiment of the present invention may further include reflecting the debug screen data and the debug control data in the project file by using the screen editing device.
  • the present invention when it is necessary to check communication data such as simple parameters, numerical values and status, it is possible to quickly check communication data by adding an object in the HMI device without modifying the project file.
  • the debug file stored in the storage is downloaded to the screen editing device through communication or memory, the user can reflect the debug file in the project file using the editing software of the screen editing device, and the debug file is The reflected project file can be downloaded back to the HMI device 100 .
  • FIG. 1 is a diagram illustrating an HMI device, a screen editing device, and an industrial device according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of a project file according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating an operation mode of an HMI device according to an embodiment of the present invention.
  • FIG. 4 is a block diagram of an HMI device according to an embodiment of the present invention.
  • FIG. 5 is a configuration diagram of a debug file according to an embodiment of the present invention.
  • FIG. 6 is a block diagram illustrating operations in a debug edit mode and a debug run mode in the HMI device according to an embodiment of the present invention.
  • FIGS. 7 to 12 are diagrams illustrating a project execution mode screen, a debug edit mode screen, and a debug execution mode screen in the HMI device according to an embodiment of the present invention.
  • FIG. 13 is a flowchart of a method of driving an HMI device according to an embodiment of the present invention.
  • FIG. 1 is a diagram illustrating an HMI device, a screen editing device, and an industrial device according to an embodiment of the present invention.
  • Figure 2 is a configuration diagram of a project file according to an embodiment of the present invention.
  • a Human Machine Interface (HMI) device 100 communicates with various industrial devices 300 disposed in an industrial site, and provides a monitoring function and analysis function using various data generated in an industrial site. it is a device
  • the industrial site may mean a site in which various processes such as manufacturing, production, power generation, processing and smelting may be performed.
  • an industrial site may refer to various sites such as a product manufacturing plant, a thermal power plant, and a power transmission facility.
  • the industrial device 300 may include various devices disposed in an industrial site, such as a programmable logical controller (PLC) device, various sensors, cameras, inverters, motors, and water tanks.
  • PLC programmable logical controller
  • the HMI device 100 may display a monitoring screen on the display unit 110 .
  • the HMI device 100 may display communication data on an object recognizable by a user on the monitoring screen. Then, the user may analyze and manage the process and situation of the industrial site by using the object displayed on the display unit 110 .
  • the HMI device 100 may receive a project file 10 from the screen editing device 200 .
  • the project file 10 may include screen data 11 and control data 12 .
  • the screen editing device 200 is a device that edits the screen data 11 and the control data 12 and provides them to the HMI device 100 .
  • the screen editing apparatus 200 may be a device such as a personal computer (PC), a smartphone, personal digital assistants (PDA), a tablet computer, and a laptop computer.
  • PC personal computer
  • PDA personal digital assistants
  • tablet computer a tablet computer
  • laptop computer a laptop computer
  • the screen editing apparatus 50 may include editing software capable of editing the screen data 11 and the control data 12 . Accordingly, the user may edit the screen data 11 and the control data 12 using the screen editing apparatus 200 .
  • the screen data 11 may include object information about an object (eg, a numeric indicator, a switch, a lamp, a graph, etc.) displayed on the display unit 110 .
  • object information may include various characteristics such as name, shape, and location characteristics of the object.
  • the name property may include the name of the object.
  • the location characteristic may include information on a location where the object is displayed in the monitoring screen.
  • the location characteristic may include information on x-axis and y-axis coordinates set based on a center point of a monitoring screen on which an object is displayed.
  • the shape characteristic may include information about the shape of each object.
  • the shape characteristic may include information on whether the shape of the object is a rectangle, an ellipse, or a triangle.
  • Such shape characteristics may include information on all shapes supported by editing software provided in the screen editing apparatus 200 .
  • the control data 12 may include operation information of the object and input information on communication data displayed on the object.
  • the motion information of the object may include information about the motion of the object.
  • the motion information may include information on whether the object is selectively displayed according to a specific condition, whether the object moves, whether the object rotates, whether the object grows, whether the object decreases, or whether the shape changes.
  • the motion information of the object may include information on whether the object increases or decreases according to the water level of the water tank.
  • the input information may include information on which communication data the object receives from the industrial device 300 .
  • the input information of the object may include information about data received from the water tank, such as the power state of the water tank and the water level of the water tank. .
  • the user can set which object to display on the monitoring screen by using the screen editing apparatus 200 and can edit object information by setting information on the characteristics of the object.
  • the screen editing device 200 may store a project file set and edited by a user, and the HMI device 100 communicates the project file stored in the screen editing device 200 to a communication or storage medium (eg, a USB memory and an SD card, etc.). ) to download.
  • a communication or storage medium eg, a USB memory and an SD card, etc.
  • the HMI device 100 may display a monitoring screen in which an object is displayed on the display unit 110 based on the downloaded project file, and may receive communication data from the industrial device 300 and display it on the display unit 110 . .
  • FIG. 3 is a diagram illustrating an operation mode of an HMI device according to an embodiment of the present invention.
  • 4 is a block diagram of an HMI device according to an embodiment of the present invention.
  • 5 is a configuration diagram of a debug file according to an embodiment of the present invention.
  • the HMI device 100 may operate in a project execution mode 101 , a debug edit mode 102 , and a debug execution mode 103 .
  • the project execution mode 101 is a mode for executing the project file 10 provided from the screen editing device 200
  • the debug editing mode 102 generates a debug file 20 within the HMI device 100 .
  • the debug execution mode 103 is a mode for executing the debug file 20 created or edited in the HMI device 100 .
  • the project execution mode 101 , the debug editing mode 102 , and the debug execution mode 103 are interchangeable according to a user's input.
  • the HMI device 100 includes a display unit 110 , a data editing unit 120 , a control unit 130 , a storage unit 150 , a data execution unit 152 , and a communication unit ( 170) may be included.
  • the display unit 110 may display a project execution mode screen, a debug edit mode screen, and a debug execution mode screen according to each of the aforementioned modes.
  • the display unit 110 displays display data according to the operation of the control unit 130 , and includes a liquid crystal display (LCD), a light emitting diode (LED) display, and an organic light emitting diode (OLED) display. , micro electro mechanical systems (MEMS) displays, and electronic paper displays. In addition, the display unit 110 may be implemented as a touch screen in combination with the input unit 120 .
  • LCD liquid crystal display
  • LED light emitting diode
  • OLED organic light emitting diode
  • MEMS micro electro mechanical systems
  • the display unit 110 may be implemented as a touch screen in combination with the input unit 120 .
  • the data editing unit 120 may generate or modify the debug file 20 .
  • the data editing unit 120 may be stored in the storage unit 150 in the form of software, and the controller 130 may control the operation of the data editing unit 120 stored in the storage unit 150 . Accordingly, the user may edit the debug file 20 using the data editing unit 120 .
  • the HMI device 100 may further include an input unit.
  • the input unit (not shown) generates input data in response to a user input of the HMI device 100 .
  • the input unit 120 includes at least one input means.
  • Such an input unit includes a keyboard, a key pad, a dome switch, a touch panel, a touch key, a mouse, and a menu button. button) and the like.
  • the input unit (not shown) is a touch panel
  • the present invention is not limited thereto.
  • the debug file 20 may include debug screen data 21 and debug control data 22 .
  • the above-described project file 10 is generated through the external screen editing device 200, while the debug file 20 is only different in that it is created or modified within the HMI device 100, and the In configuration and content, the project file 10 and the debug file 20 are the same.
  • the controller 130 may control the operation of each component included in the HMI device 100 and perform all operations such as program execution, communication, and screen display.
  • the storage unit 150 stores an Operating System (OS) 151 necessary for operation of the HMI device 100 and a project file 10 downloaded from the screen editing device 200 .
  • OS Operating System
  • the storage unit 150 may be a flash memory.
  • the communication unit 170 is a configuration in which the HMI device 100 communicates with the industrial device 300 , and transmits the control data 12 and the debug control data 22 to the industrial device 300 , and the industrial device 300 . Receive communication data 30 according to control data 12 and debug control data 22 from Here, the communication unit 170 may communicate with the industrial device 300 through various communication methods such as the Ethernet communication 171 and the serial communication 172 .
  • the communication data 30 received from the industrial device 300 may be stored in the RAM 30 and then displayed on the display unit 110 by the controller 130 .
  • the data execution unit 152 executes the project file 10 stored in the storage unit 150
  • the screen data 11 and the control data 12 are copied to the RAM (Random Access Memory) 160
  • the control unit ( 130 may display a project execution mode screen in which an object is displayed on the display unit 110 according to the screen data 11 stored in the RAM 160 .
  • the control unit 130 may display the control data stored in the RAM 160 . According to (12), it is possible to receive the communication data 30 from the industrial device 300 and control it to be displayed on the object.
  • the data execution unit 152 may be stored in the storage unit 150 in the form of software, and the control unit 130 may control the operation of the data execution unit 152 stored in the storage unit 150 .
  • FIG. 6 is a block diagram illustrating operations in a debug edit mode and a debug run mode in the HMI device according to an embodiment of the present invention.
  • the display unit 110 may display a debug edit mode screen according to a user input.
  • the data editing unit 120 may generate or modify the debug screen data 21 and the debug control data 22 according to a user input on the debug edit mode screen.
  • the controller 130 may store the generated or modified debug screen data 21 and debug control data 22 in the storage 150 .
  • the display unit 110 may display a debug execution mode screen according to a user's input.
  • the control unit 130 executes the debug file 20 stored in the storage unit 150 . Accordingly, the debug screen data 21 and the debug control data 22 are copied to a random access memory (RAM) 160 , and the controller 130 controls the display unit according to the debug screen data 21 stored in the RAM 160 . It is possible to control the display of the debug execution mode screen in which the object is displayed on the 110 , and also by receiving the communication data 30 from the industrial device 300 according to the debug control data 22 stored in the RAM 160 . You can control it to be displayed on the object.
  • RAM random access memory
  • FIGS. 7 to 12 are diagrams illustrating a project execution mode screen, a debug edit mode screen, and a debug execution mode screen in the HMI device according to an embodiment of the present invention.
  • control unit 130 when the data execution unit 152 executes the project file 10 stored in the storage unit 150, the control unit 130 according to the screen data 11 stored in the RAM 160 It is possible to control the display unit 110 to display the project execution mode screen 101a in which the object 1a is displayed. Also, the control unit 130 may control communication data ( 30) can be received and controlled to be displayed on the object 1a.
  • a first switch button 1b for switching to the debug execution mode 103 according to a user's input may be disposed on the project execution mode screen 101a.
  • the first switch button 1b may be disposed at the lower right of the project execution mode screen 101a (see FIG. 7A ). In this case, when the user touches the first switch button 1b, it may be switched to the debug execution mode screen 103a as shown in FIG. 8 .
  • the first switch button 1b may be disposed in the hidden menu of the project execution mode screen 101a. In this case, the user may call a hidden menu by touching an empty space of the screen or by a flick operation or the like.
  • the flick operation refers to an operation in which a user touches a point on the screen with a finger or a touch pen and releases the touch while moving in either direction.
  • the user touches the first switch button 1b disposed on the hidden menu it may be switched to the debug execution mode screen 103a as shown in FIG. 8 .
  • the project execution mode 101 is terminated.
  • a second switch button 3b for switching to the debug editing mode 102 according to a user input may be disposed on the debug execution mode screen 103a.
  • the second switch button 3b may be disposed on the upper left side of the debug execution mode screen 103a.
  • the debug execution mode 103 is ended.
  • a third switching button 3c for switching to the project execution mode 101 according to a user's input may be disposed on the debug execution mode screen 103a.
  • the third switch button 3c may be disposed at the upper right of the debug execution mode screen 103a. In this case, when the user touches the third switching button 3c, it may be switched to the project execution mode screen 101a as shown in FIG. 7A or 7B. At this time, the debug execution mode 103 is ended.
  • a fourth switch button 3d for switching to the debug execution mode 103 according to a user input may be disposed on the debug edit mode screen 102a.
  • the fourth switch button 3d may be disposed at the upper right of the debug edit mode screen 102a.
  • the debug editing mode 102 is ended.
  • a fifth switching button 3e for switching to the project execution mode 101 according to a user input may be disposed on the debug editing mode screen 103a.
  • the fifth switch button 3e may be disposed at the upper right of the debug edit mode screen 102a. In this case, when the user touches the fifth switching button 3e, it may be switched to the project execution mode screen 101a as shown in FIG. 7A or 7B. At this time, the debug editing mode 102 is ended.
  • a plurality of selection buttons 3f for selecting objects to be displayed on the screen may be disposed on the top of the debug edit mode screen 102a.
  • switches eg, bit switches, word switches, special switches, and multiple switches
  • type e.g., bit switches, word switches, special switches, and multiple switches
  • the properties of the object 2a may include a controller, a device, an operation type, and a character.
  • the controller means a communication path (eg, Ethernet, RS-232 and RS-485) through which the HMI device 100 receives the communication data 30, and the device is a memory address (eg, It means P000; P area address 0), and the operation type means the setting (for example, ON/OFF reversal every time the switch is pressed) that operates when the corresponding switch is pressed, and the character is the character displayed on the switch ( For example, ON/OFF).
  • the debug editing mode 102 is terminated, and the generated or modified debug file 20 is stored in the storage unit 150 .
  • the control unit 130 may control the display unit 110 to display the debug execution mode screen 103a in which the object 3a is displayed according to the debug screen data 21 stored in the RAM 160 . ) may control to receive the communication data 30 from the industrial device 300 according to the debug control data 22 and display it on the object 3a.
  • the HMI device 100 can add objects in the HMI device 100 without modifying the project file when it is necessary to check the communication data 30 such as simple parameters, numerical values, and states. It is possible to quickly check the communication data 30 .
  • the edited project file and the original project file stored in the screen editing device 200 are different, so that problems may occur when the project file is modified in the screen editing device 200 in the future. Therefore, it is preferable to edit the project file only in the screen editing device 200 and not the HMI device 100 .
  • the debug file 20 stored in the storage unit 150 is downloaded to the screen editing device 200 through communication or memory, and the user debugs the project file 10 using the editing software of the screen editing device 200 .
  • the file 20 may be reflected, and the project file 10 reflecting the debug file 20 may be downloaded back to the HMI device 100 .
  • FIG. 13 is a flowchart of a method of driving an HMI device according to an embodiment of the present invention.
  • the debug edit mode screen 102a is displayed on the display unit 110 (S1), and the debug screen data 21 and the debug control data 22 are generated or modified on the debug edit mode screen 102a (s2). .
  • debugging is terminated (S4). That is, it is checked whether the HMI device 100 operates normally according to the debug file 20 .
  • the method of driving the HMI device 100 includes storing the project file 10 created in the screen editing device 200 before the debug edit mode step S1.
  • the method may further include displaying the project execution mode screen 101a on the display unit 110 according to the steps and screen data 11 .
  • the method may further include reflecting the debug screen data 21 and the debug control data 22 in the project file 10 using the screen editing apparatus 200 .
  • the screen editing device 200 downloads the debug file 20 from the HMI device 100 using communication or memory, and downloads the pre-stored project file 10 and download.
  • One debug file 20 is edited (S5).
  • a new project file 10 is generated by reflecting the downloaded debug file 20 in the pre-stored project file 10 ( S6 ).
  • the HMI device 100 downloads the new project file 10 from the screen editing device 200 and stores it in the storage unit 150 (S7).
  • the data execution unit 152 executes the new project file 10 stored in the storage unit 150 (S8). Accordingly, the control unit 130 can control the display unit 110 to display the project execution mode screen 101a in which the object 1a is displayed according to the screen data 21 stored in the RAM 160. Also, The controller 130 may receive the communication data 30 from the industrial device 300 according to the control data 12 and control it to be displayed on the object 1a.
  • the object in the HMI device 100 without modification of the project file can be added to quickly check the communication data 30 .
  • the debug file 20 stored in the storage unit 150 is downloaded to the screen editing device 200 through communication or memory, and the user debugs the project file 10 using the editing software of the screen editing device 200 .
  • the file 20 may be reflected, and the project file 10 reflecting the debug file 20 may be downloaded back to the HMI device 100 .
  • the human machine interface (HMI) device can be used in various fields, such as a SCADA (Supervisory Control And Data Acquisition) system for intuitively grasping and managing data on an industrial site.
  • SCADA Supervisory Control And Data Acquisition

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Programmable Controllers (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

La présente invention concerne un dispositif HMI comprenant : une unité d'affichage permettant d'afficher un écran de mode d'édition de débogage et un écran de mode d'exécution de débogage ; une unité d'édition de données permettant de générer ou de modifier des données d'écran de débogage et des données de commande de débogage en fonction d'une entrée d'utilisateur dans l'écran de mode d'édition de débogage ; et une unité de commande permettant de commander à l'écran de mode d'exécution de débogage de s'afficher sur l'unité d'affichage selon les données d'écran de débogage et de recevoir des données de communication provenant d'un dispositif industriel selon les données de commande de débogage.
PCT/KR2021/000069 2020-01-20 2021-01-05 Dispositif hmi et son procédé de commande WO2021149943A1 (fr)

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CN202180009874.1A CN114981744A (zh) 2020-01-20 2021-01-05 Hmi装置及其驱动方法

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KR1020200007464A KR102430372B1 (ko) 2020-01-20 2020-01-20 Hmi 장치 및 이의 구동 방법
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