KR20200099222A - Data converter used in environmental management and operation method using the same - Google Patents

Abstract

Disclosed are a data converter used for environment management and an operation method thereof. According to the present invention, a data converter used for environment management comprises: a sensor interface for communicating with a sensor; an actuator interface for communicating with an actuator; a main control unit for exchanging information with the sensor interface and the actuator interface and for scheduling an internal process; a communication interface for communication with the main control unit and an application service system for controlling the operation while monitoring the sensor and the actuator; and a power interface which supplies power to the sensor interface, the actuator interface, and the main control unit. According to the present invention, by providing the data converter which integrates the environment monitoring by sensors and the environment control by actuators, it is possible to actively cope with environmental changes in oceans, lakes, and farms.

Description

Data converter used in environmental management and its operation method {DATA CONVERTER USED IN ENVIRONMENTAL MANAGEMENT AND OPERATION METHOD USING THE SAME}

The present invention relates to a data converter, and more particularly, to collect environmental information through an interface with various environmental sensors for smart environmental management, and is connected to an actuator that controls the environment to be used for environmental management, and its It relates to the operation method.

Currently, environmental sensing devices such as oceans, lakes, and aquaculture farms have abnormal signs such as environmental changes such as water pollution, red tide generation, water temperature, PH, dissolved oxygen, nitrogen, ammonia, and salinity changes in a specific area. It is trying to respond by transmitting data of indications.

In particular, aquaculture farms artificially raise and reproduce certain fish, algae, and shellfish. In operating and managing such a farm, monitoring through sensors of aquaculture facilities such as weather information and changes in aquaculture water around the farm is important, and coping with this is important.

In other words, in the case of a farm, the growth rate varies according to small changes in the growth environment, and in severe cases, it leads to death. Accordingly, actuators such as oxygen feeders, water turbines, cooler fans, boilers, and feed feeders must immediately respond to environmental changes in the field according to changes in the environment.

However, in the field, monitoring by sensors and control by actuators are performed individually, and such facilities are not managed in an integrated manner.

Korean Patent Registration No. 10-0902880 Korean Patent Registration No. 10-1626071 Korean Patent Registration No. 10-1551735

The present invention has been conceived in view of the above-described problems, and an object thereof is to provide a data converter used for environmental management and an operating method thereof so that monitoring by sensors and control by an actuator are integrated.

The data converter used for environmental management of the present invention for solving the above problems includes a sensor interface for communicating with a sensor; An actuator interface for communicating with the actuator; A main control unit that exchanges information with the sensor interface and the actuator interface, and is responsible for scheduling an internal process; A communication interface for communication with the main control unit and an application service system for controlling an operation while monitoring the sensor and the actuator; And a power interface supplying power to the sensor interface, the actuator interface, and the main control unit.

In the present invention, a plurality of data converters may be installed, and each of the converters in the same group may share environmental sensing values through an MQTT communication method.

In the present invention, the sensor interface or the actuator interface includes: a reception interface that is a standardized data interface module for communication with the sensor or actuator; A Modbus driver connected to the receiving interface and configured to exchange information with a Modbus communication module of a data converter by using driver information compatible with a sensor or an actuator; And a Modbus interface that is connected to the Modbus driver and is a communication module for exchanging information with each module inside the data converter.

In the present invention, the main control unit includes: a GPIO, which is a basic interface module for connecting the data converter and external devices; A communication interface for communicating with the outside of the data converter; A CPU for arithmetic processing of the main control unit; a memory storage device for storing data of the main control unit; And an interface module for exchanging information between the main control unit and the sensor and actuator, wherein the interface module is connected to a signal processor, wherein the signal processor is a module supporting communication suitable for each communication protocol, and the signal The process is connected to a signal converter, and the signal converter may be a converter module that is connected to a power interface and supports power standards for normal communication with external devices.

In the present invention, between the power interfaces for supplying power to the sensor or actuator, a selector for selectively supplying the operating power of the sensor or actuator; And a level converter for converting power used at the communication side of the sensor or actuator into signal power used for the main control unit.

In the present invention, a level converter and a communication converter for converting power to enable communication between the main control unit and the communication module may be further provided.

The operating method of the data converter used in the environment management of the present invention for solving the above other problems is composed of a converter system configuration, a sensor configuration connected to the converter, an actuation configuration controlled by the converter, and a network configuration responsible for communication of the converter. A configuration input step of inputting the configured configuration file to the server; Transferring the configurable information from a server to a data converter using a network interface; A main control step of operating a converter system by scheduling an initial operation state of the converter from the main control unit, a memory management function inside the converter, and a function of the converter by referring to the config file; A sensor interface that performs functions of sensor driver for communication with the sensor connected to the data converter from the sensor interface connected to the main control unit, buffer management used for communication with the sensor, sensing data management, and systematic library structure management step; An actuator interface step of adjusting an actuator at an actuator interface connected to the main control unit; And a network interface step of performing an information exchange function between an external server and an internal module at the network interface of the main control unit.

In the present invention, the main control step comprises: booting the data converter by reading the configuration information; Creating a plurality of control threads required for operation of the main control unit; Performing scheduling of control modules for each part in the main control unit, synchronizing each module using a mutex timer method, and performing reference and update of config information; And performing local storage by performing local storage management inside the data converter.

According to the present invention having the configuration as described above, it is possible to actively cope with environmental changes such as oceans, lakes, and aquaculture by providing a data converter that enables environmental monitoring by sensors and environmental control by actuators to be integrated. .

In addition, the data converter of the present invention provides a standardized and systematic sensor and actuator interface, so that the driver or the built-in driver provided by the sensor or actuator company is constructed in a unified structure even though the driver types that are driven from each other are different. Thus, simply inputting the sensor or actuator driver module information allows the sensor or actuator to be connected.

In addition, the data converter of the present invention can secure versatility for power by providing various types of power from a sensor or actuator device and a communication module.

1 is a structural diagram showing a data converter according to an embodiment of the present invention.
2 is a structural diagram illustrating a multi-converter through the Internet according to an embodiment of the present invention.
3 is a structure showing a sensor interface of a general type according to the prior art.
4 is a structural diagram showing a structured sensor interface according to an embodiment of the present invention.
5 is a structural diagram showing a main control unit according to an embodiment of the present invention.
6 is a structure showing a power control unit used in a sensor according to an embodiment of the present invention.
7 is a structure illustrating level conversion of signal power used in communication according to an embodiment of the present invention.
8 is a structural diagram showing configuration management software and an operating method of a data converter according to an embodiment of the present invention.
9 shows a configuration data structure of converter setting information managed by a server system according to an embodiment of the present invention.
10 is a diagram illustrating an operation of each module in a main control step according to an embodiment of the present invention.
11 is a diagram illustrating an initialization flow of a data converter according to an embodiment of the present invention.
12 is a diagram showing a main loop control according to an embodiment of the present invention.
13 is a layout of a data converter for design production according to an embodiment of the present invention.
14 shows converter configuration setting information used in a farm according to an embodiment of the present invention.
15 and 16 show a driver structure of a sensor used in a farm according to an embodiment of the present invention.
17 and 18 show a driver structure of an actuator used in a farm according to an embodiment of the present invention.
19 is a screen for setting a form building according to an embodiment of the present invention.
20 is a setting screen of a converter according to an embodiment of the present invention.
21 is a configuration screen of a sensor according to an embodiment of the present invention.
22 is a setting screen of an actuator according to an embodiment of the present invention.

Hereinafter, a data converter according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a structural diagram showing a data converter according to an embodiment of the present invention.

Referring to FIG. 1, the data converter 100 is connected to the sensor 200 through the sensor interface 120, and is connected to the actuator 300 through the actuator interface 130.

The sensor interface 120 and the actuator interface 130 exchange information with the main control unit 110, and the main control unit 110 communicates with the application service system 400 to the MQTT 350 through the communication interface 170. Connected.

In addition, the data converter 100 is provided with a power interface 140 capable of supplying various levels of power to the main control unit 110, the sensor 200, and the actuator 300 by receiving power from the outside.

Here, the sensor 200 may be various environmental sensors used in a farm environment such as water temperature, DO, pH, salinity, nitrous acid, and ammonia sensors.

The actuator 300 may be a variety of control devices used in a farm environment such as a warmer, air conditioner, water wheel, oxygen supplier, and feed feeder.

The power interface 140 is a power supply module for supplying power required for various sensors or actuators, and preferably, 3.5V, 5.0V, 12V, and 24V may be supported.

The main control unit 110 is a processing device that manages the operation of the data converter system according to the present invention, and is responsible for information exchange between the sensor 200, the actuator 300, and the application server system 400 and internal process scheduling.

The sensor interface 120 is a module responsible for communication with various sensors 200 connected to the data converter 100, and communicates with the sensor 200 using RS232/485, 12C, and analog protocols, and the internal module is a mode Information exchange is performed using the Modbus communication protocol. The driver used here can be a driver provided by each sensor company or a driver built into the data converter. Even if the driver or built-in driver provided by the sensor company is different from each other, the system structure is built in a unified structure, and the sensor can be connected by simply adding a driver module.

The actuator interface 130 is a module responsible for communication with the actuator 300, which is a variety of controllers connected to the data converter 100, and exchanges information with the internal module using a Modbus communication protocol. The driver used here can be a driver provided by each sensor company or a driver built into the data converter. Even if the driver or the built-in driver provided by the sensor company is different from each other, the system structure is built in a unified structure, and a simple addition of a driver module is developed so that the sensor can be connected.

The application service system 400 is a server system that manages environmental management services from the outside, and provides a function to execute an appropriate environmental management policy using sensors/actuators (controllers)/feed feeders installed in places where environmental management is required. .

The MQTT 350 is a protocol for communicating with the server of the data converter 100 application service system 400, and uses a conventional MQTT protocol operating over Ethernet (TCP/IP).

In the data converter 100 of the present invention described above, a plurality of data converters 100 may be connected to one application server 400 through the Internet.

2 is a structural diagram illustrating a multi-converter through the Internet according to an embodiment of the present invention.

2, in the data converter 100 of the present invention, a plurality of data converters 100 are installed in a specific place to execute an environmental management policy, and each converter 100 is a mutual MQTT 350 protocol communication method. The environment sensing values are shared, and the sensing values are stored in accordance with the environment set in the application service system 400 located on the Internet through the router 370 and configured to be serviced.

With the terminal capability of the application service system 400, each converter 100 can manage setting values, and by grouping the converters 100, sensing measured by a specific sensor 200 is the same group. It is a structure that can be shared. Accordingly, it is possible to minimize the number of sensors 200 installed in all places where the data converter 100 is installed.

In addition, in the on-site control device 500 such as a PC or smart phone or the remote control device 600 through the Internet, the values sensed by the sensor 200 and the operating state of the actuator 300 are monitored or the actuator 300 is directly controlled. Includes controllable functions.

3 is a structure showing a sensor interface of a general type according to the prior art.

Referring to FIG. 3, power is supplied to the sensor 200 using a predetermined communication protocol, and also serves as a sensor interface 20 for exchanging information between the sensor 200 and the internal module according to a predetermined communication standard. . Here, the sensor interface 20 communicates with the sensor 200 using an RS232 protocol, and exchanges information with an internal module using a Modbus (150) communication protocol.

4 is a structural diagram showing a structured sensor interface 120 according to an embodiment of the present invention.

Referring to FIG. 4, compared to the general structure of FIG. 3, the structure of communication with the data converter 100 is standardized as the sensor interface 120 in a structured form, regardless of the communication protocol used by the sensor 200. , It is an interface structure structured so that the sensor 200 can be connected to the data converter 100 without the need for separate development work.

The sensor interface 120 of the present invention includes a receiving interface (RX I/F, 121), a Modbus driver 123, and a Modbus interface 125.

The receiving interface (RX IF, 121) is implemented in the present invention, and is a standardized data interface module for communication with the sensor 200.

The Modbus driver 123 is implemented in the present invention, and enables information exchange with a Modbus (150) communication module of a data converter by using driver information provided by a sensor company.

The modbus interface 125 is a communication module developed to exchange information with each module inside the data converter.

The prior art of FIG. 3 uses a specific information exchange method (eg, RS-232) according to the sensor 200.

On the contrary, the sensor interface 120 of the present invention of FIG. 4 divides and organizes the data interface method used by each sensor 200 and the information exchange method between internal modules, and when various devices with different information exchange methods are used. (For example, RS-232C, 12C, Analog, etc.), it is possible to apply the sensor 200 to the data converter through a simple setting operation without the need for separate development work. Therefore, since information delivered to the MODBUS 150 is delivered in a standardized form, the system use range can be expanded and the convenience of maintenance can be maximized.

5 is a structural diagram showing the main control unit 110 according to an embodiment of the present invention.

Referring to FIG. 5, the main control unit 110 includes a GPIO 112, a Bluetooth interface 171, a WiFi interface 173, a CPU 113, a memory storage device 115, and an interface module 116. .

The GPIO 112 is a basic interface module for connecting the converter and devices.

The Bluetooth interface (BLE I/F, 171) is a module for Bluetooth communication, the RF24 interface 172 is a module for RF wireless communication, and the WiFi interface (Wifi I/F, 173) is a module for wireless communication, It is a communication interface.

The CPU 113 performs all arithmetic processing tasks for main unit operation.

The memory storage device 115 is a storage device composed of RAM, ROM, and the like.

The interface module 116 is implemented in the present invention, as an interface module for communication installed in the main control unit 110, and the converter function executed in the main control unit 110 is performed by the sensor 200 and the actuator through the interface module. 300).

The interface module 116 is connected to a signal processor 117, and the signal processor 117 is a module that supports communication suitable for each communication protocol.

The signal processor 117 is connected to a signal converter (118), and the signal converter 118 is connected to a power interface (Power I/F, 140) to support power standards for normal communication with external devices. Is a converter module.

In the data converter 100 of the present invention, various power sources are used in the sensor 200 and actuator 300 devices and the communication module, and it is necessary to convert the power.

6 is a structure showing a power control unit used in the sensor 200 according to an embodiment of the present invention.

Referring to FIG. 6, as a structure for selectively supplying four types of operating power to a sensor 200 connected to a data converter, four types of power are selectively selected from a selector 141 connected to the power interface 140. The power supply (e.g. 5V) used in the communication side of the sensor 200 is supplied to 200, and the 3.3V used in the GPIO 112 of the main control unit 100 by a level converter 145. It shows the structure that converts to signal power

7 is a structure illustrating level conversion of signal power used in communication according to an embodiment of the present invention.

Referring to FIG. 7, a level converter 151 and a communication converter 152 can communicate between a 5V standard Modbus 485 communication module 155 and a communication interface 170 of a 3.3V standard main control unit 110. It is a structure that adopts.

In order to perform the functions of the converter described in FIGS. 1 to 7, software that can be managed in each configuration and an operation method using the same are required.

Hereinafter, a method of operating the data converter will be described.

8 is a structural diagram showing configuration management software and an operating method of a data converter according to an embodiment of the present invention.

Referring to Figure 8, the software (S/W) of the data converter and its operation method are the main control step 1110, the sensor interface step 1120, the actuator interface step 1130, the network interface step 1170, and standardization. It consists of a configuration input step (1180, or configuration) which is a data interface.

The main control step 1110 refers to the configuration file in the configuration input step 1180 to boot up the initial operation state of the converter, manages the internal memory of the converter, and schedules each function of the converter to operate the converter system. .

The sensor interface step 1120 is responsible for functions such as sensor driver for communication with the sensor connected to the data converter, buffer management used for communication with the sensor, sensing data management, and systematic library structure management.

The actuator interface step 1130 is a module for adjusting the actuator, for example, on/off, input/output operation direction, PWM (Pulse With Modulation) speed control, level control (Level Control) and so on.

The network interface step 1170 is a module that performs an information exchange function between an external server and an internal module, and communication with the server exchanges information in the form of a Jason message using an MQTT protocol. It also performs network management functions for communication.

The configuration input step 1180 is a file consisting of a converter system configuration 1181, a sensor configuration 1183 connected to the converter, an actuation configuration 1185 controlled by the converter, and a network configuration 1187 responsible for communication of the converter. Into the server. The configuration information is stored in the server and delivered to the converter, and the delivered format is in the form of a Jason file. The management of configuration information is performed by the server in charge of the service system.

9 shows a configuration data structure of converter setting information managed by a server system according to an embodiment of the present invention.

Referring to FIG. 9, the converter configuration (converter_config) is composed of a system configuration (.system_config), a sensor configuration (.sensot-config), an actuator configuration (.actuator_config), and a network configuration (.network_congfig).

The system config (.system_config) includes configuration information for defining and classifying data converters.

The sensor config (.sensor_config) includes sensor identification information connected to the data converter, sensor communication standards, data format, and sensor management information.

The actuator config (.actuator_config) identifies a controller controlled by a data converter and includes information defining an operation standard of the controller.

The network config (.network_config) contains network information used by the data converter.

Each configuration (_config) area is designed to be expanded in the future by securing a reserved space that can be used additionally.

Hereinafter, the operation of the digital converter system will be described using the config file.

10 is a diagram illustrating an operation of each module in a main control step according to an embodiment of the present invention. This is the main control by the config file.

Referring to FIG. 10, ① Boot: The data converter is booted by reading configuration information (S1001).

Next, ② Create various control threads required for the operation of the main control module. (S1002)

Next, ③ main control performs scheduling of control modules for each part, synchronizes each module with a mutex timer method, and performs reference and update of config information. (S1003)

Next, ④ local storage management inside the data converter to perform local storage (S1004).

11 is a diagram illustrating an initialization flow of a data converter according to an embodiment of the present invention. Initializes each module inside the data converter. When performing the initialization operation, each module is initialized by referring to the corresponding Configuration Data Structure.

Referring to FIG. 11, ① read a config file (config_file) and set a data structure (S1101)

Next, ② initialize and connect MQTT. (S1102) Therefore, control the network.

Next, ③ Initialize and connect the Modbus (S1103). Accordingly, it controls the Modbus (MODBUS).

Next, ④ create and initialize an actuator thread. (S1104) Therefore, the motor of the controller is controlled.

Next, (5) management is generated and initialized. (S1105) Therefore, it is managed and local control is performed.

Next, ⑥ create a configuration thread. (S1106) Therefore, configure and link with the configuration file.

Next, 7) a test thread is created. (S1107) Therefore, a module test is performed. The module test part creates a thread that can test each module in the form of a command line interface (CLI).

Here, loop and thread synchronization is performed to ensure sequential use of critical sections between multiple control threads to maintain data integrity.

12 is a diagram illustrating a main loop control according to an embodiment of the present invention.

Referring to FIG. 12, a data converter communicates with a server through a TCP/IP network and performs its own function through the following types of threads.

① Configuration Thread: Reads the server's configuration information and delivers it to the data converter.

② Local Control Thread: In order for the user to use the data converter, it monitors the sensor by using the service terminal or operates the controller.

③ Local Test Thread: It plays the role of testing modules for each section inside the data converter.

The loop control of the present invention consists of an MQTT loop 1201, a sensor loop 1202, and a mode check loop 1203.

MQTT Loop (MQTT Loop, 1201) is a loop of a module in charge of communication for information exchange with a service system server.

The sensor loop (1202) is a loop of a module that receives sensing values transmitted from various sensors connected to the data converter and transmits them to the server.

The Mode Check Loop (1203) is a loop that automatically or manually checks the operation status and converts the execution mode in order to operate the actuator (controller) connected to the data converter.

Meanwhile, an auto control thread (1204) and an actuator thread (actuator thread) 1205 may be further provided.

The auto control thread 1204 is a thread that automatically operates an actuator (controller) according to an automatic operation setting stored in the service system.

The actuator thread 1205 is a thread that plays a role of allowing a user to directly control an actuator (controller) connected to a data converter from a terminal system.

The above-described data converter and its operation method can be implemented in various layouts.

13 is a layout of a data converter for design production according to an embodiment of the present invention.

Referring to FIG. 13, the data converter 100 is connected to the sensor 200 and the actuator 300 through a sensor interface 120 and an actuator interface 130, respectively.

The sensor interface 120 and the actuator interface 130 exchange information with the main control unit 110, and the main control unit 110 includes various communication units for communication with the outside.

In addition, the data converter 100 is provided with a power interface 140 capable of supplying various levels of power to the main control unit 110, the sensor 200, and the actuator 300 by receiving power from the outside.

Hereinafter, an embodiment in which the data converter of the present invention is actually used will be described. Specifically, it is used in aquaculture.

14 shows converter configuration setting information used in a farm according to an embodiment of the present invention.

Referring to FIG. 14, environments can be set for each of a system config, a sensor config, an actuator config, and a network config in the form of a Jason file.

15 and 16 show a driver structure of a sensor used in a farm according to an embodiment of the present invention.

15 and 16, it is possible to define the sensor type, model type, measurement data, measurement time, interface, operation period, and the like.

17 and 18 show a driver structure of an actuator used in a farm according to an embodiment of the present invention.

Referring to FIGS. 17 and 18, the actuator type, model name, contact method, forward/reverse direction, operation period, motor speed, and the like can be defined.

The data converter defined as described above is installed in connection with sensors and actuators in a farm, and can be controlled on-site or remotely from a user terminal.

19 is a screen for setting a form building according to an embodiment of the present invention.

Referring to FIG. 19, the administrator can access the farm by a login ID, and most of the farms have several farms built, and in most of the farms there are several farms.

20 is a setting screen of a converter according to an embodiment of the present invention.

Referring to FIG. 20, a converter installed in a form building is defined.

21 is a configuration screen of a sensor according to an embodiment of the present invention.

Referring to FIG. 21, various sensors connected to the converter are defined.

22 is a setting screen of an actuator according to an embodiment of the present invention.

Referring to FIG. 22, various actuators connected to the converter are defined.

The present invention described above is not limited by the above drawings and detailed description, and various modifications and changes by those skilled in the art within the scope not departing from the spirit and scope of the present invention described in the following claims. It is of course also included within the scope of the present invention.

100: data converter 110: main control unit
30, 120: sensor interface 121: receiving interface
123: Modbus driver 125: Modbus interface
130: actuator interface 140: power interface
141: selector 145, 151: level converter
150: Modbus 152: communication converter
155: communication module 170: communication interface
200: sensor 300: actuator
350: MQTT 400: application server
500: field control device 600: remote control device

Claims (8)

A sensor interface for communicating with the sensor;
An actuator interface for communicating with the actuator;
A main control unit that exchanges information with the sensor interface and the actuator interface, and is responsible for scheduling an internal process;
A communication interface for communication with the main control unit and an application service system for controlling an operation while monitoring the sensor and the actuator; And
A data converter used for environmental management, including a power interface for supplying power to the sensor interface, the actuator interface, and the main control unit. The method of claim 1,
A data converter used for environment management, characterized in that a plurality of data converters are installed, and each converter existing in the same group shares an environment sensing value through an MQTT communication method. The method of claim 1,
The sensor interface or actuator interface,
A reception interface which is a standardized data interface module for communication with the sensor or actuator;
A Modbus driver connected to the receiving interface and configured to exchange information with a Modbus communication module of a data converter by using driver information compatible with a sensor or an actuator; And
A data converter used for environment management, characterized in that it is connected to the Modbus driver and configured as a Modbus interface, which is a communication module for exchanging information with each module inside the data converter. The method of claim 1,
The main control unit,
GPIO, which is a basic interface module for connecting the data converter and external devices;
A communication interface for communicating with the outside of the data converter;
A CPU for arithmetic processing of the main control unit;
A memory storage device for storing data of the main control unit; And
And an interface module for exchanging information between the main control unit and the sensor and the actuator,
The interface module is connected to a signal processor, the signal processor is a module that supports communication suitable for each communication protocol,
The signal process is connected to a signal converter, wherein the signal converter is a converter module connected to a power interface to support a power supply standard for normal communication with an external device. The method of claim 1,
A selector for selectively supplying operation power of the sensor or actuator between the power interfaces supplying power to the sensor or actuator; And
And a level converter for converting power used at the communication side of the sensor or actuator into signal power used for the main control unit. The method of claim 1,
A data converter used for environmental management, further comprising a level converter and a communication converter for converting power to enable communication between the main control unit and the communication module. A configuration input step of inputting a configuration file consisting of a converter system configuration, a sensor configuration connected to the converter, an actuation configuration controlled by the converter, and a network configuration in charge of communication of the converter to a server;
Transferring the configurable information from a server to a data converter using a network interface;
A main control step of operating a converter system by scheduling a function of an internal memory management function of a converter, and a function of a converter in a main control unit by referring to the config file;
A sensor interface that performs functions of sensor driver for communication with the sensor connected to the data converter from the sensor interface connected to the main control unit, buffer management used for communication with the sensor, sensing data management, and systematic library structure management step;
An actuator interface step of adjusting an actuator at an actuator interface connected to the main control unit; And
And a network interface step of performing an information exchange function between an external server and an internal module at the network interface of the main control unit. The method of claim 7,
The main control step,
Booting a data converter by reading the configuration information;
Creating a plurality of control threads required for operation of the main control unit;
Performing scheduling of control modules for each part in the main control unit, synchronizing each module using a mutex timer method, and referring and updating config information; And
A method of operating a data converter used for environment management comprising the step of performing local storage by performing local storage management inside the data converter.

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