JP2017187890A - Gateway device and data collection system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gateway device capable of changing setting of data processing in the gateway device without operating a server, and a data collection system.SOLUTION: A gateway device 20 includes a host system connection part 21A connected to a server 30, a subordinate system connection part 21B connected to a data transmission device 10, and a data processing part 23 for performing data processing of data received from the data transmission device 10, and transmits data subjected to the data processing to the server. Further, the gateway device 20 includes an information equipment connection part 21C connected not to the server 30 but to information equipment 40, and the data processing part 23 executes data processing corresponding to setting information inputted from the information equipment 40.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a gateway device that performs data processing on data received from a data transmission device and transmits the data to a server, and a data collection system including the gateway device.

  In recent years, there has been an increasing need to collect data transmitted from a data transmission device using a server such as a robot or a machine tool used in FA (Factory Automation) as a data transmission device. In addition, in order to reduce the size of data collected by the server, it is known to provide a gateway device that performs data processing such as data processing and conversion between the data transmission device and the server (for example, Patent Documents). 1).

  In the data collection system of Patent Literature 1, in order to change the data processing setting in the gateway device, a rule definition is transmitted from the server to the gateway device, and the gateway device performs data processing according to the rule definition received from the server. It has been adopted. The rule definition is information for dynamically updating data conversion / processing / threshold judgment / compression / transmission settings.

JP 2015-28742 A

  However, in the configuration of Patent Document 1, it is necessary to change data processing settings from the server. For this reason, for example, when a server is installed in a remote location of the gateway device, there is a disadvantage that the data processing setting cannot be changed in a situation where the user of the gateway device cannot operate the server. .

  This invention is made in view of the said situation, Comprising: It aims at providing the gateway apparatus and data collection system which can change the setting of the data processing in a gateway apparatus, without operating a server. .

  In order to solve the above-described problem, the gateway device according to claim 1 includes a host system connection unit connected to a server, a lower system connection unit connected to a data transmission device, and data received from the data transmission device. An information device connection unit connected to an information device that is not the server in the gateway device configured to transmit the data subjected to the data processing to the server The data processing unit executes data processing according to setting information input from the information device.

  The gateway device according to claim 2 is the gateway device according to claim 1, wherein the setting information includes timing information related to a timing of data processing and processing content information related to a processing content of the data processing. The data processing unit starts data processing based on the timing information, and executes data processing including data conversion or processing based on the processing content information.

  According to a third aspect of the present invention, in the gateway device according to the first or second aspect, in response to a request from the information storage device, a resource storage unit that stores a Web browser resource related to a data processing setting screen And a resource transmission unit for transmitting the Web browser resource to the information device.

  The data collection system according to claim 4, comprising: a data transmission device that transmits data; a server that collects data; and a gateway device that performs data processing on data received from the data transmission device; In the data collection system configured to transmit the data subjected to processing from the gateway device to the server, the gateway device is connected to an information device that is not the server, and the gateway device is connected to the information device. Data processing according to the setting information input from is executed.

  The data collection system according to claim 5 is the data collection system according to claim 4, wherein the gateway device allocates a resource for a web browser related to the setting screen of the data processing in response to a request from the information device. The data processing is transmitted to the information device, and the data processing setting screen is displayed on the information device based on the Web browser resource.

  ADVANTAGE OF THE INVENTION According to this invention, the gateway apparatus and data collection system which can change the setting of the data processing in a gateway apparatus, without operating a server can be provided.

It is a mimetic diagram of a data collection system concerning one embodiment of the present invention. It is a block diagram which shows schematic structure of the gateway apparatus which concerns on the same embodiment. It is a block diagram which shows schematic structure of the information equipment which concerns on the same embodiment. It is a flowchart which shows an example of the flow of a change process of a data processing setting. It is a flowchart which shows an example of the flow of a data setting change process. It is an example of the setting screen for inputting the setting information of a data source. It is an example of the setting screen for inputting the setting information of a tag. It is a flowchart which shows an example of the flow of an event setting change process. It is an example of the setting screen for inputting the setting information of a trigger. It is an example of the setting screen for inputting the setting information of an action. It is an example of the setting screen for inputting the setting information of an action. It is an example of the setting screen for inputting the setting information of the upper cooperation.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 schematically shows a schematic configuration of the data collection system 1. As shown in FIG. 1, the data collection system 1 includes one or more data transmission devices 10, a gateway device 20, and one or more servers 30.

  The data transmission device 10 is a mechanical device or an electric device having a data transmission function. Specifically, each of the data transmission devices 10 includes, for example, a robot used in an FA, a PLC (Programmable Logic Controller), a machine tool, or a measurement device used in a PA (Process Automation), a temperature controller, and a flow rate. Air conditioner, lighting equipment, wiring-saving equipment used in BA (Building Automation), solar panels, smart meters, home appliances, or healthcare used in HA (Home Automation) Sphygmomanometer, pulse meter, pedometer, position sensor, acceleration sensor, image sensor, camera, sound sensor, temperature / hygrometer, or a combination thereof. The data transmission device 10 transmits arbitrary data to the gateway device 20.

  The gateway device 20 is hardware that can communicate with the data transmission device 10 and the server 30. The gateway device 20 collects data transmitted from the data transmission device 10. The gateway device 20 performs data processing on the data received from the data transmission device 10 and transmits the data subjected to the data processing to the server 30. The gateway device 20 is configured to be communicable with an information device 40 for changing data processing settings.

  The server 30 is hardware that collects data transmitted from the gateway device 20. The server 30 provides the data received from the gateway device 20 to a client (not shown) connected to the server 30. Specifically, the server 30 is, for example, an ERP (Material Requirements Planning) / MES (Manufacturing Execution System) backbone system, a statistics / analysis system, a remote maintenance system, a historian data collection system, a scheduler / process management system, or Provides data to the clients that make up the real-time monitoring / alarm system.

  The information device 40 is hardware that is not the server 30, and is a general PC (Personal Computer). The information device 40 is connected to the gateway device 20 when changing the data processing setting of the gateway device 20.

  FIG. 2 schematically shows the configuration of the gateway device 20. As illustrated in FIG. 2, the gateway device 20 includes a higher system connection unit 21A, a lower system connection unit 21B, an information device connection unit 21C, a data reception unit 22, a data processing unit 23, and a data transmission unit 24. A data storage unit 25, a setting information receiving unit 26, a setting information storage unit 27, a resource storage unit 28, and a resource transmission unit 29.

  Each connection part 21A, 21B, 21C is a hardware interface for transmitting and receiving signals by wire or wireless. The higher system connection unit 21A is connected to the server 30, the lower system connection unit 21B is connected to the data transmission device 10, and the information device connection unit 21C is connected to the information device 40. Each connection part 21A, 21B, 21C is, for example, an Ethernet (registered trademark) terminal conforming to the 10BASE-T / 100BASE-TX / 1000BASE-T standard, a serial port conforming to the RS-232 standard, and conforming to the USB standard. USB terminal or a module with a built-in antenna conforming to the Wi-Fi / Bluetooth (registered trademark) standard.

  The data receiving unit 22 is configured to receive the data transmitted by the data transmitting device 10 via the lower system connection unit 21B. The data receiving unit 22 transmits the received data to the data processing unit 23 and the data storage unit 25.

  The data processing unit 23 is configured to perform data processing on the data received from the data receiving unit 22 based on the setting information stored in the setting information storage unit 27. That is, the data processing unit 23 performs data processing on the data received from the data transmitting device 10. The setting information includes timing information related to the timing of data processing and processing content information related to the processing content of data processing. The data processing unit 23 starts data processing based on the timing information, Data processing including data conversion or processing is executed based on the content information. Specifically, the data processing includes, for example, four arithmetic operations on data values, comparison of data values, transmission of data values, and the like. The data processing unit 23 transmits the data subjected to the data processing to the data transmission unit 24.

  The data transmission unit 24 is configured to transmit the data received from the data processing unit 23 to the server 30 via the higher system connection unit 21A. That is, the data transmission unit 24 transmits the data subjected to the data processing by the data processing unit 23 to the server 30.

  The data accumulation unit 25 is a storage device that accumulates data received from the data reception unit 22. That is, the data storage unit 25 stores a log of data transmitted by the data transmission device 10. The data stored in the data storage unit 25 is used for data processing in the data processing unit 23.

  The setting information receiving unit 26 is configured to receive data processing setting information input from the information device 40 via the information device connecting unit 21C. The setting information receiving unit 26 receives data processing timing information and processing content information set using the information device 40 as data processing setting information.

  The setting information storage unit 27 is a non-volatile storage device and stores the setting information received by the setting information receiving unit 26. That is, the setting information storage unit 27 stores data processing setting information input from the information device 40.

  The resource storage unit 28 is a storage device that stores Web browser resources (hereinafter simply referred to as “resources”) related to a data processing setting screen. Resources include, for example, HTML format files and image files.

  The resource transmission unit 29 is configured to transmit the resource stored in the resource storage unit 28 to the information device 40 via the information device connection unit 21C. The resource transmission unit 29 transmits a resource in response to a request from the information device 40.

  The data reception unit 22, data processing unit 23, data transmission unit 24, setting information reception unit 26, and resource transmission unit 29 of the gateway device 20 are realized by an MPU (Micro-Processing Unit) programmed with these functions. Has been.

  FIG. 3 schematically shows the configuration of the information device 40. As illustrated in FIG. 3, the information device 40 includes a gateway connection unit 41, an operation unit 42, a setting information generation unit 43, a setting information transmission unit 44, a resource reception unit 45, a resource analysis unit 46, a display Part 47.

  The gateway connection unit 41 is a hardware interface for transmitting and receiving signals by wire or wireless, and is connected to the gateway device 20. The gateway connection unit 41 is configured by hardware similar to the information device connection unit 21C, and transmits and receives signals to and from the information device connection unit 21C.

  The operation unit 42 is an input device configured with a keyboard or a mouse. The operator who changes the data processing setting operates the operation unit 42 to input an instruction to change the data processing setting to the information device 40.

  The setting information generation unit 43 is configured to generate data processing setting information based on an instruction input using the operation unit 42. The setting information generation unit 43 transmits setting information for data processing to the setting information transmission unit 44.

  The setting information transmission unit 44 is configured to transmit the data processing setting information received from the setting information generation unit 43 to the gateway device 20 via the gateway connection unit 41. That is, the setting information transmission unit 44 transmits setting information based on an instruction input to the information device 40 using the operation unit 42.

  The resource reception unit 45 is configured to receive the resource transmitted by the gateway device 20 via the gateway connection unit 41. The resource reception unit 45 transmits the received resource to the resource analysis unit 46.

  The resource analysis unit 46 is configured to analyze the resource received from the resource reception unit 45. That is, the resource analysis unit 46 analyzes the resource transmitted by the gateway device 20 in order to display a data processing setting screen on the Web browser.

  The display unit 47 is an output device configured by a display or the like. The display unit 47 displays a data processing setting screen on a web browser based on the resource analysis result by the resource analysis unit 46. The display unit 47 displays a GUI (Graphical User Interface) including icons, buttons, and the like related to the change of data processing settings as a setting screen.

  The setting information generation unit 43, the setting information transmission unit 44, the resource reception unit 45, and the resource analysis unit 46 included in the information device 40 are realized by an MPU in which those functions are programmed.

  FIG. 4 shows an example of a rough flow of data processing setting change processing when a new data processing setting is added. The steps included in the data processing setting change processing will be described below.

  As shown in FIG. 4, first, the information device 40 is connected to the gateway device 20 (step S1). A Web browser is activated in the information device 40 (step S2). In step S1, when the gateway device 20 and the information device 40 communicate with each other by wire, the information device connection unit 21C and the gateway connection unit 41 are connected by a cable, and the gateway device 20 and the information device 40 communicate wirelessly. If so, the wireless connection between the information device connection unit 21C and the gateway connection unit 41 is established.

  Next, the information device 40 accesses the gateway device 20 with a Web browser (step S3). In step S <b> 3, the information device 40 requests the gateway device 20 for a resource for displaying a data processing setting screen by inputting the IP address of the gateway device 20 as a URL using the operation unit 42. Thus, in response to a request from the information device 40, the resource transmission unit 29 transmits the resource to the information device 40, and a data processing setting screen is displayed on the Web browser in the display unit 47.

  Then, using the information device 40, a data setting change process is performed on the Web browser (step S4), and an event setting change process is performed on the Web browser (step S5). The change processing in steps S4 and S5 is performed by the operator who changes the data processing setting operating the operation unit 42 while viewing the setting screen displayed on the display unit 47.

  FIG. 5 shows an example of the flow of data setting change processing in step S4. The data setting includes information on data to be processed by the data processing unit 23, that is, information on data received by the data receiving unit 22.

  As shown in FIG. 5, first, a data source name is input (step S11), and then data source setting information is input (step S12). The data source name is a name for identifying the data transmission device 10. The data source setting information is information relating to communication with the data transmission device 10 and is information relating to a communication protocol, an IP address, a port number, a CPU number, and the like. 6A and 6B are examples of setting screens for inputting data source setting information, and are examples of Web browser screens displayed on the display unit 47 in step S12. The setting screen includes a pull-down menu for selecting data source setting information and a text box for input. By inputting the data source name and the data source setting information using the operation unit 42 in steps S11 and S12, the setting of the data transmission device 10 serving as the data source is completed.

  Then, a tag name is input (step S13), and then tag setting information is input (step S14). The tag name is a name for identifying data received from the data source set in steps S11 and S12. The tag setting information is information relating to data, and is information relating to the register type, data type, byte position, and the like. FIG. 7 is an example of a setting screen for inputting tag setting information, and is an example of a Web browser screen displayed on the display unit 47 in step S14. The setting screen includes a pull-down menu for selecting tag setting information and a text box for input. By inputting the tag name and tag setting information using the operation unit 42 in steps S13 and S14, the setting of data to be processed is completed.

  FIG. 8 shows an example of the flow of event setting change processing in step S5. The event setting includes timing information related to the timing at which the data processing unit 23 starts data processing, processing content information related to the processing content of the data processing, and the like.

  As shown in FIG. 6, first, an event name is input (step S21), and then a trigger name is input (step S22). The event name is a name for identifying data processing, and the trigger name is a name for identifying the timing of data processing. Next, trigger setting information is input (step S23). The trigger setting information is information relating to the timing of data processing, and is information relating to the type of timing for starting data processing, the cycle of data processing, and the like. The timing for starting data processing includes, for example, a change in data value, a predetermined fixed period, a message reception from the server 30 by MQTT (Message Queue Telemetry Transport), a predetermined time, and the like. FIGS. 9A and 9B are examples of a setting screen for inputting trigger setting information, and are examples of a Web browser screen displayed on the display unit 47 in steps S22 and S23. FIG. 9B is an example of a setting screen displayed when a fixed period is selected as the type of data processing timing. The setting screen includes a menu for selecting trigger setting information and a text box for input. By inputting the event name, trigger name, and trigger setting information using the operation unit 42 in steps S21 to S23, the setting information transmitting unit 44 transmits information related to the timing of data processing to the gateway device 20, Setting of data processing timing is completed.

  Then, an action name is input (step S24), and then action setting information is input (step S25). The action name is a name for identifying the processing content of the data processing. The action setting information is information relating to the processing content of the data processing, and is information relating to the type of processing content of the data processing, the calculation method, the destination server, the transmission message, and the like. Examples of types of processing contents of data processing include calculation of data values, message transmission to the server 30 by MQTT, comparison of data values, and the like. FIGS. 10A and 10B and FIGS. 11A and 11B are examples of setting screens for inputting action setting information. FIGS. 10A and 10B are steps S24. , S25 is an example of a web browser screen displayed on the display unit 47. FIG. 11A is an example of a setting screen that is displayed when message transmission to the server 30 is selected as the type of processing content, and FIG. 11B exclusively illustrates transmission messages to the server 30. It is an example of the setting screen for inputting. The setting screen includes a menu for selecting action setting information and a text box for input. Since the setting screen in FIG. 11B includes a text box that can display a transmission message divided into a plurality of lines, switching from the setting screen in FIG. 11A to the setting screen in FIG. , The list of sent messages can be improved. By inputting an action name and action setting information using the operation unit 42 in steps S24 and S25, the setting information transmitting unit 44 transmits information related to the processing content of the data processing to the gateway device 20, and data processing is performed. The setting of the processing content of is completed.

  When the data processing unit 23 performs a plurality of data processing at an arbitrary timing, a plurality of actions are subordinated to one trigger by repeatedly performing the above steps S24 and S25. Thereby, for example, the data processing unit 23 compares two or more data values, calculates (converts or processes) data values, and transmits the result of the calculation, for example, at a predetermined time. be able to.

  In addition, when the timing to cooperate with the host system is selected as the type of timing for starting the data processing in step S23, or the processing content to be linked to the host system is selected as the type of processing content for the data processing in step S25. In such a case, a process for changing the setting of the upper cooperation is performed. The higher-level cooperation setting includes information related to a protocol for transmitting and receiving signals between the gateway device 20 and the server 30. The timing of cooperation with the host system is, for example, when a message is received from the server 30 by MQTT, and the processing content linked with the host system is, for example, message transmission to the server 30 by MQTT.

  The process for changing the setting of the upper cooperation is performed by inputting the setting information of the upper cooperation. FIG. 12 is an example of a setting screen for inputting setting information for upper cooperation, and is an example of a Web browser screen displayed on the display unit 47. The setting screen includes a text box and the like for inputting setting information for upper cooperation. By inputting the setting information for higher level cooperation, the setting information transmission unit 44 transmits information for communicating with the server 30 to the gateway device 20 and the setting for higher level cooperation is completed.

  As described above, when setting of the data to be processed, setting of the timing of data processing, and processing contents of the data processing are completed, setting for performing desired data processing in the setting information storage unit 27 Information is stored. The data processing unit 23 performs data processing according to the setting information input from the information device 40 by performing data processing based on the setting information stored in the setting information storage unit 27.

In the present embodiment, the following effects can be obtained.
(1) The gateway device 20 includes an information device connection unit 21C connected to the information device 40 that is not the server 30, and the data processing unit 23 executes data processing according to the setting information input from the information device 40. . For this reason, an operator who changes data processing settings can change the data processing settings in the gateway device 20 without operating the server 30.

  (2) When the setting information stored in the setting information storage unit 27 is rewritten, the operation of the gateway device 20 is not programmed with a programming language, so that the data processing setting can be easily changed. The development efficiency of the device 20 can be increased.

  (3) The gateway device 20 includes a resource storage unit 28 that stores resources related to a data processing setting screen, and a resource transmission unit 29 that transmits resources to the information device 40. For this reason, a setting screen can be displayed on the Web browser activated by the information device 40, and a GUI can be provided to an operator who changes data processing settings.

  The present invention is not limited to the above embodiment, and the above configuration can be changed. For example, the following modifications can be implemented, and the following modifications can be combined.

  -You may comprise so that a data processing setting may be changed using applications other than a Web browser. That is, it is also possible to start an application that includes a function of communicating with the gateway device 20 and adopts the GUI on the information device 40, and to change the data processing setting using the application.

  Two or more of the higher system connection unit 21A, the lower system connection unit 21B, and the information device connection unit 21C may be configured by the same hardware interface. That is, for example, the higher system connection unit 21A and the information device connection unit 21C may be configured by the same antenna built-in module. According to such a configuration, the hardware configuration of the gateway device 20 can be simplified.

  The units 22 to 24, 26, and 29 of the gateway device 20 may be configured by a plurality of MPUs or dedicated hardware. Similarly, each unit 43 to 46 of the information device 40 may be configured by a plurality of MPUs or dedicated hardware.

  Data that has been subjected to data processing by the gateway device 20 may be transmitted from the gateway device 20 to the data transmission device 10 that is a data source. According to such a configuration, it becomes possible to write data to the PLC that is the data transmission device 10. In addition, data that has been subjected to data processing by the gateway device 20 may be transmitted from the gateway device 20 to another device (not shown).

DESCRIPTION OF SYMBOLS 1 Data collection system 10 Data transmission apparatus 20 Gateway apparatus 21A Higher system connection part 21B Lower system connection part 21C Information equipment connection part 23 Data processing part 28 Resource storage part 29 Resource transmission part 30 Server 40 Information equipment

Claims (5)

A host system connection connected to the server;
A lower system connection unit connected to the data transmission device;
A data processing unit that performs data processing on data received from the data transmission device;
In the gateway device configured to transmit data subjected to data processing to the server,
An information device connection unit connected to an information device that is not the server;
The gateway apparatus according to claim 1, wherein the data processing unit executes data processing according to setting information input from the information device. The setting information includes timing information related to the timing of data processing and processing content information related to the processing content of data processing,
The gateway apparatus according to claim 1, wherein the data processing unit starts data processing based on the timing information, and executes data processing including data conversion or processing based on the processing content information. . A resource storage unit for storing Web browser resources related to the data processing setting screen;
The gateway apparatus according to claim 1, further comprising: a resource transmission unit configured to transmit the Web browser resource to the information device in response to a request from the information device. A data transmission device for transmitting data;
A server to collect data;
A gateway device that performs data processing on the data received from the data transmitting device;
In a data collection system configured to transmit data subjected to data processing from the gateway device to the server,
An information device that is not the server is connected to the gateway device,
The gateway device executes data processing according to setting information input from the information device. In response to a request from the information device, the gateway device transmits a Web browser resource related to the data processing setting screen to the information device.
The data collection system according to claim 4, wherein the data processing setting screen is displayed on the information device based on the Web browser resource.