KR102298102B1 - HMI system capable of controlling in near field - Google Patents

Abstract

The present invention can improve workability and productivity by reducing unnecessary manpower and time wastage while increasing work efficiency by simply and accurately controlling the HMI from a short distance using a wireless remote control. When the connection request data is received from any one, the optimal communication path from the current location to the corresponding HMI device is determined, and data communication is configured according to the subsequent communication path, thereby reducing unnecessary communication and data waste. When the device receives a request for access from the remote control, if another remote control has been previously connected, the job level according to the current worker's job type is compared with the job level according to the previous worker's job type, and the worker with the higher job level is given priority. It relates to an HMI system capable of short-distance control that can effectively prevent work confusion due to multiple connections by connecting to the remote control of the operator who has been given priority after assigning the priority.

Description

HMI system capable of controlling in near field

The present invention relates to an HMI system capable of short-distance control, and more specifically, by simply and accurately controlling the HMI from a short distance using a wireless remote control, increase work efficiency and reduce unnecessary manpower and time wastage, thereby improving workability and productivity It relates to an HMI system capable of short-distance control that can improve

In recent years, along with the automation of machines, in various industrial fields, a PLC (Programmer Logic Controller) device that controls input/output, operation, and power of production lines or mechanical devices has been commercialized and used, and with the development of PLC devices, PLC devices Human machine interface (HMI) that converts digital data of the data into data that can be recognized by humans, and preferably displays the data on a display device such as a touch screen panel, is widely used.

When such HMI receives a request for an operation command for a specific device from the user, it requests the data value of the object corresponding to the requested data to the PLC, and displays response data to the request transmitted from the PLC on a display device such as a touch screen panel. In various industrial fields, monitoring and control of production lines or machinery is easily performed through HMI.

1 is a configuration diagram showing an HMI device disclosed in Korean Patent Application Laid-Open No. 10-2019-0114508 (Title of the Invention: HMI device to which a secondary screen is applied).

The HMI device (hereinafter referred to as the prior art) 100 of FIG. 1 includes an HMI body 101 and a first screen 163 and a second screen 164 installed on the outer surface of the HMI body 101 .

The first screen 163 and the second screen 164 are made of a touch panel, so that data and commands can be input through the touch panel.

Also, monitoring data is displayed on the first screen 163 .

In addition, the on-screen keyboard 104a and the on-screen number pad 105a are displayed on the second screen 164 .

The prior art 100 configured in this way has the advantage of being able to perform functions such as displaying data and requesting data because the two screens are separated and operated separately as the sub screens 163 and 164 are added.

However, in the prior art 100, unnecessary manpower and time are wasted, and work efficiency is lowered because the operator has to directly move to the place where the HMI is located and read or operate the touch screen panel in order to read or operate a specific HMI. do.

The present invention is to solve this problem, and the problem to be solved of the present invention is to increase work efficiency and reduce unnecessary manpower and time waste by simply and accurately controlling the HMI from a short distance using a wireless remote control to improve workability and productivity. This is to provide an HMI system that can improve

In addition, another solution of the present invention is to determine an optimal communication path from the current location to the corresponding HMI device when the connection request data is transmitted from any one of the repeaters installed in the industrial site, and then data communication is performed according to the communication path. This is to provide an HMI system that can reduce unnecessary communication and data waste by being configured to be made.

Another problem to be solved by the present invention is that when the HMI device receives a request for access from the remote control, when another remote control is previously connected, the job level according to the current worker's job type and the job level according to the previous worker's job type This is to provide an HMI system that can effectively prevent work confusion due to multiple connections by comparing and prioritizing workers with higher work levels and then connecting with the remote control of the assigned workers.

In addition, another solution of the present invention is to compare the authentication level of the current operator with the authentication level of the previous operator when a plurality of remote controllers are connected to the HMI device and the work level of the two operators is the same, and the authentication level gives priority to the operator. The purpose of this is to provide an HMI system that can more effectively prevent work confusion due to multiple connections by connecting with the remote control of the operator given priority.

The solution of the present invention for solving the above problems is a local area network; Machine tools installed in industrial sites and performing processes according to pre-designed bar; Manages and controls pre-allocated machine tools, requests data to the corresponding industrial device according to the user's request, receives response data corresponding to the requested data from the corresponding industrial device, processes it, and displays the processed data, HMI devices supported for connection with the local area network; A remote controller comprising an input key that receives data from a user, and a controller that generates control data based on the data input through the input key and then transmits the generated control data to the outside through the local area network, , the controller includes a data transmission/reception module for transmitting and receiving data to and from the HMI devices through the local area network; an input module for receiving data requested by the user through the input key; a connection request data generation module configured to generate connection request data including information on a target HMI when receiving HMI information to be connected among the HMI devices from a user through the input module; a control data generating module that generates control data corresponding to the inputted control value when a control value for controlling the connected HMI device is inputted from the user through the input module when the connection is permitted from the connection-requested HMI device; and a control module for controlling the data transmission/reception module so that the connection request data generated by the connection request data generation module or the control data generated by the control data generation module are transmitted to the outside, wherein the HMI devices include the remote controllers. Upon receiving access request data from any one of the remote controllers, it connects to the corresponding remote control, and upon receiving control data from the remote controller, displays response data corresponding to the received control data on the monitor, and the access request data generation module of the controller is an authentication information input module for receiving authentication information that can identify a corresponding worker from a user; a job level input module that receives, from a user, job level information according to the type of job to be accessed and executed; a connection target input module that receives an input of the connection target HMI device; a data matching module for generating connection request data by matching the authentication information input through the authentication information input module, the task level information by the task level input module, and the identification information of the HMI device by the connection target input module; In the HMI device, authentication level information that is assigned to each worker and indicates grade information accessible to data stored in the HMI device, and job level information, which is grade information assigned according to a preset job type, are preset, memory to be stored; It is executed when the access request data is received from the remote controllers, and it is determined whether there is a previously connected remote control. wealth; a job level extraction module that is executed when there is a previously connected remote control by the single connection determination unit and extracts job level information of the received connection request data by searching the memory; A data extraction module for extracting information, a job level comparison module for comparing the job level of the current worker extracted by the job level extraction module, and the job level of a previous worker extracted by the data extraction module, and the job level a priority setting unit including a priority granting module for granting a priority level to a worker having a high level in the comparison module; Continuing the connection with the remote controller having a higher priority by the priority granting module, and transmitting data to wait for the remote controller having a lower priority by the priority granting module, and then delaying the connection of the remote controller with a lower priority an authentication level detection module comprising a control unit, wherein the priority setting unit is executed when the access request data is received, and detects an authentication level corresponding to the authentication information of the received access request data by searching the memory; The job level comparison module is executed only when it is determined that the current worker's job level and the previous worker's job level are the same, and further comprises an authentication level comparison module that compares the current worker's authentication level with the previous worker's authentication level, The priority granting module first determines the priority among the remote controllers simultaneously connected using the task level by giving priority to the remote control of the operator with the higher authentication level in the authentication level comparison module, and then uses the authentication level Thus, the priorities are determined secondarily.
Preferably, in the present invention, the HMI device transmits GUI information, which is information displayed on the monitor, to a remote control connected in real time, and the remote control further includes a display panel on which the GUI information transmitted from the connected HMI device is displayed. .

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In addition, in the present invention, the HMI system further includes repeaters installed in industrial sites, and when the repeaters receive access request data from an adjacent remote control, an optimal communication path is established from the current location to the requested access HMI device. , it is preferable that data communication is performed according to the set communication path.

According to the present invention having the above problems and solutions, it is possible to improve workability and productivity by reducing unnecessary manpower and time wastage while increasing work efficiency by simply and accurately controlling the HMI from a short distance using a wireless remote control. .

In addition, according to the present invention, when the connection request data is transmitted from any one of the repeaters installed in the industrial site, the optimal communication path is determined from the current location to the corresponding HMI device, and then data communication is performed according to the communication path. This can reduce unnecessary communication and data waste.

Also, according to the present invention, when the HMI device receives a request for access from the remote control, if another remote control has been previously connected, the job level according to the current worker's job type and the job level according to the previous worker's job type are compared to perform the operation. After giving priority to a high-level worker, it is possible to effectively prevent work confusion due to multiple connections by connecting to the remote control of the operator to which the priority is given.

In addition, according to the present invention, when a plurality of remote controllers are connected to the HMI device and the work levels of two workers are the same, the authentication level of the current worker is compared with that of the previous worker, the authentication level gives priority to the worker, and then the priority is given to the worker. By connecting with the remote control of the operator who has been assigned the

1 is a block diagram showing an HMI device disclosed in Korean Patent Application Laid-Open No. 10-2019-0114508 (Title of the Invention: HMI device to which a sub-screen is applied).
2 is a block diagram illustrating an HMI system capable of short-range control, which is an embodiment of the present invention.
3 is a perspective view showing an embodiment of the remote control of FIG.
FIG. 4 is a block diagram illustrating a controller of the remote controller of FIG. 3 .
FIG. 5 is a block diagram illustrating a connection request data generating module of FIG. 4 .
6 is a block diagram illustrating a controller of the HMI device of FIG. 2 .
7 is a block diagram illustrating a priority setting unit of FIG. 6 .

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

2 is a block diagram showing an HMI system capable of short-range control, which is an embodiment of the present invention.

The HMI system 1, which is an embodiment of the present invention, 1) allows the operator in the facility site to easily control (manipulate) the HMI device through the remote control using the remote control and repeaters, and 2) the current location and connection of the operator. By setting the communication path along the optimal movement path corresponding to the location of the target HMI device, it is possible to prevent load and calculation processing due to unnecessary communication. 3) Two or more remote controllers 5 are connected to the HMI device 3 After setting the priority according to the authentication level of the user or the importance of the task, it is configured to perform the task according to the priority, thereby effectively preventing failures and errors due to multiple remote control connections to the HMI device 5 it is to do

In addition, the HMI system 1 of the present invention, as shown in FIG. 2, includes HMI devices 3-1, ..., (3-N), machine tools 4, and a repeater 7-1. ), ..., (7-N), remote control (5-1), ..., (5-N), consists of a local area network (10).

The HMI devices (3-1), ..., (3-N) are terminals installed at the facility site to manage and control the machine tools 4 assigned to them, and specifically, the machine tools assigned to them. (4) requests data and receives response data corresponding to the requested data from the machine tools (4), and displays the received response data through the mounted touch screen panel. At this time, in the present invention, for convenience of explanation, the HMI device 3 is set as one-to-N with the machine tool 4 as an example. However, the HMI device 3 is configured with the machine tool 4 one-to-one. Of course, it can be set.

Since these HMI devices 3-1, ..., (3-N) are widely used in facility sites, detailed descriptions thereof will be omitted.

In addition, the HMI device 3 includes a communication interface unit for performing wireless communication by connecting to the local area network 10, and the remote control unit 5 connected through the local area network 10 or the remote control unit connected through the repeater 7 ( 5) and send and receive data.

The machine tools 4 are devices that perform a process according to a pre-designed bar along the process line.

The remote controllers (5-1), ..., (5-N) are placed on the job site and are close to any one of the HMI devices (3-1), ..., (3-N) according to the operator's request. It is configured to transmit and receive data through the communication network 10 . That is, the small user can control the HMI device 3 from a short distance through the remote controller 5 without moving to the HMI device to be controlled.

In addition, the remote controllers 5-1, ..., and 5-N may transmit access request data including identification information of the HMI device 3 to be connected to the adjacent repeater 7 .

In addition, the remote controllers 5-1, ..., (5-N) include a display panel, and the current touch from the HMI device 3 through the repeaters 7-1, ..., (7-N) When a GUI (Graphic User Interface) displayed through the screen panel is transmitted, the received GUI is displayed through the display panel, so that the operator can efficiently control the HMI device 3 while browsing the GUI displayed through the display panel. there will be

Repeaters (7-1), ..., (7-N) are installed spaced apart at the facility site, so that HMI devices (3-1), ..., (3-N) and remote control (5-1), ..., a terminal that supports data communication between (5-N).

At this time, if it is assumed that the HMI devices 3 are disposed within the communication coverage of the remote controller 5, separate repeaters 7 may not be installed. ) must be installed.

In addition, the repeaters (7-1), ..., (7-N) own identification information and location information is preset and stored.

Also, for the repeaters 7-1, ..., 7-N, the optimal communication paths from the current location to each HMI device 3 are stored in a preset reference table.

In addition, when the repeaters 7-1, ..., 7-N receive the connection request data including the HMI device 3 to be connected from the remote control 5, they search the preset reference table to identify themselves. The optimal communication path corresponding to the information and the identification information of the HMI device 3 to be connected is detected, and the connection request data is transmitted to the next repeater according to the detected optimal communication path.

Also, when the repeaters 7-1, ..., 7-N receive access request data including an optimal communication path from an adjacent repeater, they transmit the access request data to the next repeater according to the optimal communication path.

3 is a perspective view showing an embodiment of the remote control of FIG.

As shown in FIG. 3 , the remote control 5 includes a housing 501 formed of a housing, an input key 503 formed on the upper surface of the housing 501 to receive a command from a user, and a housing 501 . ) is installed on the upper surface of the display panel 505 on which content is displayed.

At this time, in the present invention, for convenience of explanation, the remote control 5 has been described as having the shape and structure as shown in FIG. 3 , but the shape and structure of the remote control 5 are not limited thereto, and various known shapes and structures are not limited thereto. can be made with

In addition, the controller 50 of FIG. 4 to be described later is installed inside the remote controller 5 .

FIG. 4 is a block diagram illustrating a controller of the remote controller of FIG. 3 .

As shown in FIG. 4, the controller 50 includes a control module 51, a memory 52, a data transmission/reception module 53, an input module 54, a connection request data generating module 55, and determining whether to connect. It consists of a module 56 , a control data generating module 57 , and a display module 58 .

The control module 51 is an OS (Operating System) of the controller 50 and manages and manages the control objects 52 , 53 , 54 , 55 , 56 , 57 , and 58 . Control.

In addition, the control module 51 inputs the data requested by the user through the input key 503 to the input module 54 .

In addition, when the control module 51 receives a request for connection to the HMI device 3 to be connected from the user through the input module 54 , the control module 51 executes the connection request data generation module 55 and sends the connection request data generation module 55 to the connection request data generation module 55 . The data transmission/reception module 53 is controlled to transmit the connection request data generated by the relay to the connected repeater 7 .

In addition, the control module 51 executes the control data generation module 57 when receiving connection permission information indicating that the connection is permitted through the repeater 7 from the HMI device 3 requested to be connected through the data transmission/reception module 53 . However, when the connection denied information indicating that the connection is permitted through the repeater 7 is received from the HMI device 3 for which the connection has been requested, a message to wait is displayed through the display module 58 .

Also, when the control module 51 receives GUI information from the HMI device 3 connected through the data transmission/reception module 53 , the control module 51 inputs the received GUI information to the display module 58 .

In the memory 52 , identification information of the corresponding remote controller 5 and identification information of each HMI device 3 are preset and stored.

The data transmission/reception module 53 transmits/receives data to and from the adjacent HMI device 3 or the adjacent repeater 7 under the control of the control module 51 .

The input module 54 receives the requested data from the user through the input key 503 .

FIG. 5 is a block diagram illustrating a connection request data generating module of FIG. 4 .

The connection request data generation module 55 of FIG. 5 is executed when a connection request with the specific HMI device 3 is received from the user through the input module 54 .

In addition, the connection request data generating module 55 connects the authentication information input module 551 that receives authentication information for identifying the corresponding operator from the user and the corresponding HMI device 3 to provide a job to be performed. A work level input module 552 that receives the assigned work level information from the operator, a connection target input module 553 that receives the HMI device 3 as a connection target from the operator, input modules 551 and 552, and a data matching module 554 for generating connection request data by matching the authentication information, job level information, and identification information of the HMI device 3 input through 553 .

At this time, the authentication information means data that can identify the worker, the authentication level means the grade information given to the worker, and the job level means the grade information assigned according to the type of work using the HMI device 3 . In addition, the operator is familiar with the job level information according to the type of work he wants to perform in advance, or can be guided through the remote control.

In addition, although not shown in FIG. 5, the remote control 5 receives authentication information, job level information, and information on the HMI device to be connected from the operator through a pre-made graphic user interface (GUI) or graphic user experience (GUX). It is natural that it may be configured to receive input.

The connection request data generated by the data matching module 554 of the connection request data generating module 55 is transmitted to the adjacent repeater 7 through the data transmission/reception module 53 under the control of the control module 51 .

When the connection permission information indicating that the connection is permitted is received from the connection-requested HMI device 3, the connection status determination module 56 determines that the connection with the corresponding HMI device 3 has been established and sends the control data generation module 57 to the control data generation module 57. run it

In addition, the connection status determination module 56 controls the display module 58 to establish a connection through the display panel 505 when receiving connection disapproval information indicating that the connection is not permitted from the connection-requested HMI device 3 . It is not allowed and displays a message telling you to wait.

The control data generating module 57 generates control data including data requested by the user through the input module 503 and identification information of the HMI device 3 . At this time, the control data generated by the control data generation module 57 is transmitted to the repeater 7 through the data transmission/reception module 53 under the control of the control module 51 .

The display module 58 displays GUI information, which is screen information of the connected HMI device 3 , transmitted through the data transmission/reception module 53 , on the display panel 505 .

6 is a block diagram illustrating a controller of the HMI device of FIG. 2 .

As shown in FIG. 6 , the HMI device 3 includes a control unit 31 , a memory 32 , a communication interface unit 33 , an additional service unit 34 , a single connection determination unit 35 , and a priority. It consists of a setting unit 36 , a response data generation unit 37 , and a GUI information generation unit 38 .

The control unit 31 is an operating system (OS) of the HMI device 3 , and manages and manages control objects 32 , 33 , 34 , 35 , 36 , 37 , and 38 . Control.

In the memory 32, communication identification information of each of the remote controllers 5-1, ..., (5-N) and the repeaters 7-1, ..., (7-N) is preset and stored do.

In addition, the authentication level information given to each of the workers is preset and stored in the memory 32 . At this time, the authentication level refers to grade information that is granted to the worker and can access the data stored in the HMI (3).

Also, in the memory 32 , the job level information given to each preset job type is preset and stored. In this case, the job level means grade information assigned according to the type of job using the HMI device 3 .

Also, the memory 32 stores identification information of each of the machine tools 4 assigned to the corresponding HMI device 3 .

The communication interface unit 33 inputs and outputs data with the previously assigned machine tools 4 .

In addition, the communication interface unit 33 performs short-range wireless communication with the repeater 7 or the remote controller 5 through the local area network 10 .

The additional service unit 34 is a processor for performing general services provided by the general HMI device 3 .

The single connection determination unit 35 is executed under the control of the control unit 31 when the connection request data is transmitted from the specific remote control unit 5 through the communication interface unit 33 .

In addition, the single connection determination unit 35 determines that the current HMI device 3 is not in a single connected state when the previously connected remote control is in the operating state, and the current HMI device 3 is not in the operating state. In this case, it is determined as a single connected state.

At this time, when the control unit 31 determines that the current HMI device 3 is not in a single connection state by the single connection determination unit 35 , the control unit 31 executes the priority setting unit 36 .

7 is a block diagram illustrating a priority setting unit of FIG. 6 .

As shown in FIG. 7, the priority setting unit 36 includes an authentication processing module 361, an authentication level detection module 362, a task level extraction module 363, a data extraction module 364, and a task level comparison module. 365 , an authentication level comparison module 366 , and a prioritization module 367 .

The authentication processing module 361 identifies the corresponding worker by using the authentication information of the access request data transmitted from the remote control 5 .

The authentication level detection module 362 detects the authentication level of the operator identified by the authentication processing module 361 by utilizing the authentication level information stored in the memory 32 . At this time, it means the grade information that is given to the worker and can access the data stored in the HMI (3).

The job level extraction module 363 extracts job level information from the access request data transmitted from the remote controller 5 . In this case, the job level means grade information assigned according to the type of job using the HMI device 3 .

The data extraction module 364 extracts the authentication level and work level of the operator who is already connected.

The job level comparison module 365 compares the job level of the currently connected worker with the job level of the previously connected worker, and if the two data are the same, the authentication level comparison module 366 is executed, and if the two data are the same Otherwise, the prioritization module 367 is executed.

The authentication level comparison module 366 is executed when the job level of the current worker and the previous worker is the same in the job level comparison module 365, and compares the authentication level of the current worker with the authentication level of the previous worker.

The priority level granting module 367 1) gives a priority for allowing access of the HMI device to a worker having a high job level in the job level comparison module 365, and 2) the job level comparison module 365 in the job level comparison module 365. In the authentication level comparison module 366, which is executed when these are the same, priority is given to an operator with a high authentication level to allow access of the corresponding HMI device.

At this time, the control unit 31 continues the connection with the remote control 5 of the operator set as the priority by the priority assignment module 367, and the request data to wait is transmitted to the remote control 5 of the operator with a low priority. Control this as much as possible.

Returning to FIG. 6 and looking at the response data generating unit 37, the response data generating unit 37 processes the operation corresponding to the control data transmitted from the remote control 5 set to the priority level, and then the response data corresponding thereto. create At this time, the response data generated by the response data generating unit 37 is transmitted to the corresponding remote controller 5 under the control of the control unit 31 .

The GUI information generating unit 38 generates GUI information currently displayed through the touch screen panel in real time. At this time, the generated GUI information is transmitted to the corresponding remote controller 5 in real time under the control of the controller 31 .

As described above, the HMI system 1 according to an embodiment of the present invention uses the wireless remote controller 5 to simply and accurately control the HMI device 3 from a short distance, thereby increasing work efficiency and reducing unnecessary manpower and time wastage. It becomes possible to improve workability and productivity.

In addition, the HMI system 1 of the present invention receives the connection request data from any one of the repeaters 7-1, ..., 7-N installed in the industrial site, After determining the optimal communication path to the HMI device 3, data communication is configured according to the communication path in the future, thereby reducing unnecessary communication and data waste.

In addition, when the HMI device 3 receives a request for access from the remote controller 5, the HMI system 1 of the present invention provides a work level according to the current operator's work type when another remote controller 5 is previously connected. After comparing the job level according to the job type of the previous worker and giving priority to the worker with a higher job level, it is possible to effectively prevent work confusion due to multiple connections by connecting with the remote control of the worker who has been given priority. do.

In addition, in the HMI system 1 of the present invention, when a plurality of remote controllers are connected to the HMI device 3 and the work levels of the two operators are the same, the authentication level of the current operator is compared with that of the previous operator, and the authentication level is set to the operator. After assigning a priority, by connecting with the remote control of the operator given the priority, it is possible to more effectively prevent work confusion due to multiple connections.

1:HMI system 3-1, ..., 3-N:HMI devices
4: Machine tools 5-1, ..., 5-N: Remote controls
7-1, ..., 7-N: repeaters 10: local area network
31: control unit 32: memory 33: communication interface unit
34: additional service unit 35: single connection determination unit
36: priority setting unit 37: response data generation unit
38: GUI information generation unit 51: control module 52: memory
53: data transmission/reception module 54: input module
55: connection request data generation module 56: connection determination module
57: control data generation module 58: display module
361: authentication processing module 362: authentication level detection module
363: job level extraction module 364: data extraction module
365: job level comparison module 366: authentication level comparison module
367: Priority grant module
501: housing 503: input key 505: display panel
551: authentication information input module 552: work level input module
553: connection target input module 554: data matching module

Claims (6)

local area network;
Machine tools installed in industrial sites and performing processes according to pre-designed bar;
Manages and controls pre-allocated machine tools, requests data to the corresponding industrial device according to the user's request, receives response data corresponding to the requested data from the corresponding industrial device, processes it, and displays the processed data, HMI devices supported for connection with the local area network;
A remote controller comprising an input key that receives data from a user, and a controller that generates control data based on the data input through the input key and then transmits the generated control data to the outside through the local area network, ,
the controller
a data transmission/reception module for transmitting and receiving data to and from the HMI devices through the local area network;
an input module for receiving data requested by the user through the input key;
a connection request data generation module configured to generate connection request data including information on a target HMI when receiving HMI information to be connected among the HMI devices from a user through the input module;
a control data generating module that generates control data corresponding to the inputted control value when a control value for controlling the connected HMI device is inputted from the user through the input module when the connection is permitted from the connection-requested HMI device;
and a control module for controlling the data transmission/reception module so that the connection request data generated by the connection request data generation module or the control data generated by the control data generation module are transmitted to the outside;
The HMI devices are
Upon receiving access request data from any one of the remote controls, the remote control is connected, and when control data is received from the remote control, response data corresponding to the received control data is displayed on the monitor,
The access request data generation module of the controller is
an authentication information input module that receives authentication information for identifying a corresponding worker from a user;
a job level input module that receives, from a user, job level information according to the type of job to be accessed and executed;
a connection target input module that receives an input of the connection target HMI device;
a data matching module for generating connection request data by matching the authentication information input through the authentication information input module, the task level information by the task level input module, and the identification information of the HMI device by the connection target input module; including,
The HMI device is
a memory in which authentication level information, which is assigned to each worker, indicating grade information accessible to data stored in the HMI device, and job level information, which is grade information assigned according to a preset job type, is preset and stored;
It is executed when the access request data is received from the remote controllers, and it is determined whether there is a previously connected remote control. wealth;
a job level extraction module that is executed when there is a previously connected remote control by the single connection determination unit and extracts job level information of the received connection request data by searching the memory; A data extraction module for extracting information, a job level comparison module for comparing the job level of the current worker extracted by the job level extraction module, and the job level of a previous worker extracted by the data extraction module, and the job level a priority setting unit including a priority granting module for granting a priority level to a worker having a high level in the comparison module;
Continuing the connection with the remote controller having a higher priority by the priority granting module, and transmitting data to wait for the remote controller having a lower priority by the priority granting module, and then delaying the connection of the remote controller with a lower priority including a control unit;
The priority setting unit
an authentication level detection module that is executed when the access request data is received and detects an authentication level corresponding to authentication information of the received access request data by searching the memory;
The job level comparison module is executed only when it is determined that the current worker's job level and the previous worker's job level are the same, and further comprises an authentication level comparison module that compares the current worker's authentication level with the previous worker's authentication level,
The priority granting module first determines the priority among the remote controllers simultaneously connected using the task level by giving priority to the remote control of the operator with the higher authentication level in the authentication level comparison module, and then uses the authentication level HMI system, characterized in that the priority is determined secondary. delete The method according to claim 1, wherein the HMI device transmits GUI information, which is information displayed on a monitor, to a remote controller connected in real time,
The remote controller further comprises a display panel on which GUI information received from the connected HMI device is displayed. delete delete The method according to claim 3, wherein the HMI system further comprises repeaters installed in an industrial site,
The repeaters are
An HMI system, characterized in that when connection request data is received from an adjacent remote control, an optimal communication path is established from the current location to the HMI device requested to be connected, and then data communication is performed according to the set communication path.

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