CN115277799A - Industrial control adapter, industrial control system and method - Google Patents
Industrial control adapter, industrial control system and method Download PDFInfo
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- CN115277799A CN115277799A CN202210771549.5A CN202210771549A CN115277799A CN 115277799 A CN115277799 A CN 115277799A CN 202210771549 A CN202210771549 A CN 202210771549A CN 115277799 A CN115277799 A CN 115277799A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an industrial control adapter, an industrial control method and an industrial control system, wherein the industrial control adapter comprises: the equipment communication module comprises at least two communication interfaces, and each communication interface is of a different physical structure and is used for being in communication connection with the automation equipment; the terminal communication module is used for communicating with the control terminal; a processing module connected to the device communication module and the terminal communication module, respectively, the processing module communicating with the device communication module via a first communication protocol; the processing module communicates with the terminal communication module through a second communication protocol; the processing module further comprises a conversion unit for converting data between the first communication protocol and the second communication protocol; by implementing the scheme, the adapter can be compatible with the automation equipment with different interfaces, the compatibility of an industrial control system is improved, the control terminal can be communicated with and controlled by various automation equipment, and the user experience is improved.
Description
Technical Field
The invention relates to the field of industrial control, in particular to an industrial control adapter, an industrial control system and an industrial control method.
Background
At present, in the existing industrial control system, the industrial control system is incompatible, and the data acquisition terminal of the automation device can only have partial interfaces, for example, only 232 serial ports, or one of network ports, and the field interfaces are diversified, so that a very large type of hardware terminal is required to meet the access control of various automation devices in the industrial field.
In addition, the types of the automation equipment on the market are very many, and various automation equipment such as Mitsubishi, siemens, domestic products and the like have own communication protocols. It is inconvenient to communicate directly with the remote server. The data acquisition terminals on the market also need a great variety of data communication for various automation devices.
Therefore, how to make an industrial control system compatible with automation devices having different interfaces and supporting different communication protocols is an urgent problem to be solved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the related art, the present application aims to provide an industrial control adaptor, an industrial control system and a method thereof, which aim to solve the problem that the current industrial control system cannot be compatible with automation devices having different interfaces and supporting different communication protocols.
An industrial control adapter, the industrial control adapter comprising:
the equipment communication module comprises at least two communication interfaces, and each communication interface is of a different physical structure and is used for being in communication connection with the automation equipment;
the terminal communication module is used for communicating with the control terminal;
the processing module is respectively connected with the equipment communication module and the terminal communication module and is communicated with the equipment communication module through a first communication protocol; the processing module is communicated with the terminal communication module through a second communication protocol; the processing module further includes a conversion unit that converts data between the first communication protocol and the second communication protocol.
Optionally, the first communication protocol is a Modbus RTU protocol.
Optionally, the terminal communication module includes a network port hardware interface, and is configured to perform remote network port communication with the control terminal.
Optionally, the terminal communication module further includes a bluetooth module, configured to perform bluetooth communication with the control terminal when a network of the network port hardware interface has a fault.
Optionally, the at least two interfaces include at least two interfaces of a 232 serial port, a 485 serial port, a 422 serial port, and a network port hardware interface.
Based on the same inventive concept, the present application also provides an industrial control system, the system comprising: the industrial control adapter is in communication connection with the control terminal and the automation device respectively.
Based on the same inventive concept, the application also provides an industrial control method applied to an industrial control system, wherein the system is the system, and the method comprises the following steps:
the control terminal sends a control instruction to the industrial control adapter;
the industrial control adapter forwards the control instructions to the automation device to control the automation device;
and the industrial control adapter receives the equipment data sent by the automation equipment and forwards the equipment data to the control terminal.
Optionally, the method further includes:
and the control terminal judges whether the equipment data is abnormal or not, and if so, alarms.
Optionally, when the control terminal performs bluetooth communication with the industrial control adapter, the sending, by the control terminal, a control instruction to the industrial control adapter includes:
and the control terminal carries out command encapsulation on the control command according to a Modbus RTU protocol to obtain a Modbus RTU protocol command frame, encapsulates the Modbus RTU protocol command frame in a data domain of a Bluetooth frame, and sends the Bluetooth frame to the industrial control adapter.
Optionally, the forwarding, by the industrial control adapter, the control instruction to the automation device to control the automation device includes:
the industrial control adapter acquires the Modbus RTU protocol instruction frame of the data field from the Bluetooth frame, forwards the Modbus RTU protocol instruction frame to the automation equipment, and the automation equipment analyzes the Modbus RTU protocol instruction frame to obtain a control instruction and executes corresponding operation.
The invention provides an industrial control adapter, an industrial control method and an industrial control system, wherein the industrial control adapter comprises: the equipment communication module comprises at least two communication interfaces, and each communication interface is of a different physical structure and is used for being in communication connection with the automation equipment; the terminal communication module is used for communicating with the control terminal; a processing module connected to the device communication module and the terminal communication module, respectively, the processing module communicating with the device communication module via a first communication protocol; the processing module is communicated with the terminal communication module through a second communication protocol; the processing module further comprises a conversion unit for converting data between the first communication protocol and the second communication protocol; the industrial control adapter is arranged in front of the control terminal and the automation equipment, so that the industrial control can be compatible with the automation equipment with different interfaces and supporting different communication protocols, the compatibility of an industrial control system is improved, the control terminal can communicate with and control various automation equipment, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of an industrial control adapter according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an industrial control system according to an embodiment of the present invention;
fig. 3 is a basic flowchart of an industrial control method according to an embodiment of the present invention.
Description of reference numerals:
10-industrial control adapter, 11-equipment communication module, 12-terminal communication module, 13-processing module, 131-conversion unit, 20-control terminal, 30-automation equipment and 40-industrial control system.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
In the related art, a control terminal of an automation device can only have a part of interfaces, and different hardware interfaces and supported communication protocols of the automation device are various, so that the control terminal cannot be compatible with various automation devices.
Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be set forth in the following embodiments.
The industrial control adapter provided by the embodiment has at least two interfaces which can be compatible with hardware interfaces of various automation devices, and the industrial control adapter and the automation devices are communicated by adopting a unified first communication protocol, so that the industrial control adapter can be compatible with automation devices with different interfaces and supporting different protocols, and the industrial control adapter can be respectively communicated with the control terminal and the automation devices, thereby improving the building compatibility of an industrial control system. For ease of understanding, the present embodiment is described below by taking an industrial control adapter shown in fig. 1 as an example, for ease of understanding:
referring to fig. 1, fig. 1 is a schematic structural diagram of an industrial control adapter 10 provided in this embodiment, where the industrial control adapter 10 includes but is not limited to:
the equipment communication module 11 comprises at least two communication interfaces, wherein each communication interface has different physical structures and is used for being in communication connection with the automation equipment;
a terminal communication module 12 for communicating with a control terminal;
the processing module 13 is respectively connected with the equipment communication module 11 and the terminal communication module 12, and the processing module 13 communicates with the equipment communication module 11 through a first communication protocol; the processing module 13 communicates with the terminal communication module 12 through a second communication protocol; the processing module 13 further comprises a conversion unit 131 for converting data between the first communication protocol and the second communication protocol.
The terminal communication module 12 includes a network interface hardware interface for performing remote network interface communication with the control terminal, and certainly, the industrial control adapter 10 may also perform near field communication with the control terminal through a WiFi module or a bluetooth module, and therefore, the terminal communication module 12 may also include a WiFi module or a bluetooth module, and when a network of the network interface hardware interface has a fault, the industrial control adapter 10 may perform bluetooth communication with the control terminal through the bluetooth module.
The industrial control adapter 10 includes at least two interfaces, which may include at least two interfaces of 232 serial port, 485 serial port, 422 serial port, and network port hardware interfaces, it should be understood that the industrial control adapter 10 may also be compatible with various automation devices, may be compatible with interfaces of programmable logic controllers of various automation devices, the industrial control adapter 10 may also include other interfaces, and is compatible with other non-standard automation devices, and the types of the interfaces specifically included in the industrial control adapter 10 may be set according to requirements of an actual industrial field.
The conversion unit 131 included in the processing module 13 of the industrial control adapter 10 can convert data acquired from the device communication module 11 via the first communication protocol into data of the second communication protocol and forward the data to the terminal communication module 12, and can convert data of the second communication protocol acquired from the terminal communication module 12 into data of the first communication protocol and forward the data to the device communication module 11. Enabling the remote terminal and the automation device to communicate via the industrial control adapter. The first communication protocol may be a Modbus RTU protocol, and the second communication protocol may be a Modbus TCP protocol.
The industrial control adapter that this embodiment provided includes: the equipment communication module comprises at least two communication interfaces, and each communication interface is of a different physical structure and is used for being in communication connection with the automation equipment; the terminal communication module is used for communicating with the control terminal; the processing module is connected with the equipment communication module and the terminal communication module respectively and is communicated with the equipment communication module through a first communication protocol; the processing module is communicated with the terminal communication module through a second communication protocol; the processing module further comprises a conversion unit for converting data between the first communication protocol and the second communication protocol; the industrial control adapter is provided with an interface for communicating with the automation equipment, and the processing module communicates with the equipment communication module through a first communication protocol; the processing module is communicated with the terminal communication module through the second communication protocol, and meanwhile, the conversion unit is also provided for converting between the first communication protocol and the second communication protocol, so that the industrial control adapter can be compatible with automation equipment with different interfaces from the communication protocol and the hardware interface, the control terminal can be communicated with and controlled by various automation equipment through the industrial control adapter, and the user experience is improved.
Another alternative embodiment of the invention:
referring to fig. 2, fig. 2 is a schematic structural diagram of an industrial control system provided in this embodiment, where the industrial control system 40 includes but is not limited to:
the control terminal 20, the automation device 30, and the industrial control adapter 10 as described above, the industrial control adapter 10 is communicatively connected to the control terminal 20 and the automation device 30, respectively.
In this embodiment, the control terminal 20 may be a tablet, a mobile phone, a computer, or the like.
The control terminal 20 may encapsulate data into a data frame through a second communication protocol, and send the data frame to the terminal communication module 12 of the industrial control adapter 10, specifically, the data frame may be sent at regular time or in real time; the conversion unit of the processing module 13 obtains the data frame, repackages the data frame into a data frame of the first communication protocol, and transmits the data frame to the device communication module 11, the device communication module 11 communicates with the automation device 30, and sends the data frame of the first communication protocol to the automation device 30, the programmable logic of the automation device 30 controls and analyzes the data frame of the first communication protocol to obtain data sent by the control terminal 20, where the data may be a control instruction, the automation device 30 controls the operation of the automation device 30 according to the control instruction obtained by analysis, and the data may also be a query instruction, so as to obtain status information, operation data, and the like of the automation device 30.
Correspondingly, the automation device 30 may also encapsulate the data into data frames according to the first communication protocol, specifically, may send the data frames at regular time or in real time; the data may be response data obtained from the data received from the control terminal 20 or may be data directly transmitted from the automation device 30, and the data is transmitted to the device communication module 11. The device communication module 11 transmits the data frame to the processing module 13 through the first communication protocol, the conversion unit 131 of the processing module 13 repackages the data frame into a data frame of the second communication protocol, and forwards the data frame to the control terminal 20 through the terminal communication module 12, and the control terminal analyzes the data frame of the second communication protocol to obtain data sent from the automation device 30.
In the industrial control system 40, the whole communication process may use a Modbus protocol stack, the first communication protocol may be a Modbus RTU protocol, and the second communication protocol may be a Modbus TCP protocol.
The automatic control system provided by the embodiment comprises a control terminal, an automation device and an industrial control adapter which is respectively in communication connection with the control terminal and the automation device, wherein the industrial control adapter can be compatible with the automation devices supporting different communication protocols and hardware interfaces, so that the control terminal can be communicated with various automation devices, and the compatibility of the automatic control system is improved by controlling. The industrial control system adopts a Modbus protocol stack, so that the compatibility of the automatic control system is improved, and the equipment can be conveniently accessed.
Yet another alternative embodiment of the invention:
referring to fig. 3, fig. 3 is a basic flowchart of an industrial control method provided in this embodiment, where the method is applied to an industrial control system, and the method includes, but is not limited to:
s301: and the control terminal sends a control instruction to the industrial control adapter.
The control terminal 20 can encapsulate the control command into a data frame according to the second communication protocol and send the data frame to the industrial control adapter 10. The control terminal 20 can communicate with the industrial control adapter 10 via a remote network interface, or can communicate with the industrial control adapter 10 via a short distance, such as WiFi communication or bluetooth communication. The second communication protocol may be a bluetooth protocol or a Modbus TCP protocol.
When the control terminal 20 performs internet access communication with the industrial control adapter 10, the control terminal 20 encapsulates the control instruction according to the Modbus TCP protocol to obtain a Modbus TCP protocol instruction frame, and sends the Modbus TCP protocol instruction frame to the industrial control adapter 10.
The control terminal 20 performs command encapsulation on the control command according to the Modbus RTU protocol to obtain a Modbus RTU protocol command frame, encapsulates the Modbus RTU protocol command frame in the data field of the bluetooth frame, and sends the bluetooth frame to the industrial control adapter 10.
S302: the industrial control adapter forwards the control instructions to the automation device for controlling the automation device.
The industrial control adapter 10 forwards the control instructions to the automation device 30 according to the first communication protocol.
When the industrial control adapter 10 receives the bluetooth frame of the control terminal 20, the industrial control adapter 10 obtains the Modbus RTU protocol instruction frame of the data field from the bluetooth frame, and forwards the Modbus RTU protocol instruction frame to the automation device 30, and the automation device analyzes the Modbus RTU protocol instruction frame to obtain the control instruction and execute the corresponding operation.
When the industrial control adapter 10 receives the Modbus TCP protocol instruction frame, the conversion unit 131 of the processing module 13 is required to convert the Modbus TCP protocol instruction frame into a Modbus RTU protocol instruction frame, and then transmit the Modbus RTU protocol instruction frame to the automation device, and the automation device analyzes the Modbus RTU protocol instruction frame to obtain a control instruction and execute a corresponding operation.
The programmable logic controller of the automation device 30 analyzes the Modbus RTU protocol command frame to obtain data sent by the control terminal 20, where the data may be a control command, the automation device 30 controls the operation of the automation device 30 according to the control command obtained by the analysis, and the data may also be a query command, so as to obtain status information, operation data, and the like of the automation device 30, and specifically, the data may be sent at regular time or in real time to continuously monitor the status information of the automation device 30.
S303: the industrial control adapter receives device data sent by the automation device.
The automation device 30 can also encapsulate data into data frames via the first communication protocol for transmission to the industrial control adapter 10.
Specifically, the automation device 30 may also encapsulate data into a Modbus RTU protocol data frame through the Modbus RTU protocol, and send the Modbus RTU protocol data frame to the device communication module 11 of the industrial control adapter 10, where the data may be response data obtained according to data received from the control terminal 20, or data directly sent from the automation device 30.
S304: and forwarding the equipment data to the control terminal.
The device communication module 11 of the industrial control adapter 10 transmits the Modbus RTU protocol data frame to the processing module 13 through the Modbus RTU protocol, and the conversion unit 131 of the processing module 13 converts the Modbus RTU protocol data frame into a data frame of a second communication protocol, for example, repackages the data frame into a Modbus TCP protocol data frame or writes a bluetooth frame, and forwards the data frame to the control terminal 20 through the terminal communication module 12.
The control terminal analyzes the data frame to obtain data sent from the automation device 30, and the control terminal 20 may collect device information data through the data sent from the automation device 30, and may further monitor the state of the automation device 30, and may perform an alarm in an abnormal situation.
According to the automatic control system method provided by the embodiment, the communication between the control terminal and the automation equipment is realized through the industrial control adapter, and the industrial control adapter can be compatible with the automation equipment supporting different communication protocols and hardware interfaces, so that the control terminal can communicate with various automation equipment for control, and the compatibility of the automatic control system is improved; the industrial control system adopts the Modbus protocol stack, promotes this automatic control system's compatibility, makes things convenient for when equipment access adapter carries out the net gape communication with control terminal, and during net gape network failure, control terminal in time carries out bluetooth communication with the industrial control adapter, effectively avoids because network failure causes the bad consequence that can not operate automation equipment work and arouse.
The present embodiments also provide a computer-readable storage medium including volatile or non-volatile, removable or non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, computer program modules or other data. Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash Memory or other Memory technology, CD-ROM (Compact disk Read-Only Memory), digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
The computer readable storage medium of the present embodiment may be used to store one or more computer programs that are executable by a processor to perform at least one of the steps performed by the industrial control adapter described above.
The present embodiment also provides a computer program (or computer software), which can be distributed on a computer readable medium and executed by a computing device to implement at least one step executed by the industrial control adapter; and in some cases at least one of the steps shown or described may be performed in an order different than that described in the embodiments above.
The present embodiments also provide a computer program product comprising a computer readable means having a computer program as shown above stored thereon. The computer readable means in this embodiment may comprise a computer readable storage medium as shown above.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented in computer program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
In addition, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, computer program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media. Thus, the present invention is not limited to any specific combination of hardware and software.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. An industrial control adapter, the industrial control adapter comprising:
the equipment communication module comprises at least two communication interfaces, and each communication interface is of a different physical structure and is used for being in communication connection with the automation equipment;
the terminal communication module is used for communicating with the control terminal;
the processing module is respectively connected with the equipment communication module and the terminal communication module and is communicated with the equipment communication module through a first communication protocol; the processing module is communicated with the terminal communication module through a second communication protocol; the processing module further includes a conversion unit that converts data between the first communication protocol and the second communication protocol.
2. The industrial control adapter of claim 1, wherein the first communication protocol is a Modbus RTU protocol.
3. The industrial control adapter as claimed in claim 1 wherein said terminal communication module includes a portal hardware interface for remote portal communication with said control terminal.
4. The industrial control adapter as claimed in claim 3, wherein said terminal communication module further comprises a bluetooth module for bluetooth communication with said control terminal when there is a failure in the network of said portal hardware interface.
5. The industrial device control adapter of claim 1, wherein the at least two interfaces comprise at least two of a 232 serial port, a 485 serial port, a 422 serial port, and a network port hardware interface.
6. An industrial control system, characterized in that the system comprises: a control terminal, an automation device, and the industrial control adapter of any one of claims 1 to 5, the industrial control adapter communicatively coupled to the control terminal and the automation device, respectively.
7. An industrial control method applied to an industrial control system, wherein the system is the system according to claim 6, and the method comprises:
the control terminal sends a control instruction to the industrial control adapter;
the industrial control adapter forwards the control instructions to the automation device to control the automation device;
and the industrial control adapter receives the equipment data sent by the automation equipment and forwards the equipment data to the control terminal.
8. The industrial control method of claim 7, further comprising:
and the control terminal judges whether the equipment data is abnormal or not, and if so, alarms.
9. The industrial control method of claim 7, wherein when the control terminal is in bluetooth communication with the industrial control adapter, the control terminal sending a control command to the industrial control adapter comprises:
and the control terminal carries out instruction packaging on the control instruction according to a Modbus RTU protocol to obtain a Modbus RTU protocol instruction frame, packages the Modbus RTU protocol instruction frame in a data domain of a Bluetooth frame, and sends the Bluetooth frame to the industrial control adapter.
10. The industrial device control method of claim 9, wherein the industrial control adapter forwarding the control instruction to the automation device to control the automation device comprises:
the industrial control adapter acquires the Modbus RTU protocol instruction frame of the data field from the Bluetooth frame, forwards the Modbus RTU protocol instruction frame to the automation equipment, and the automation equipment analyzes the Modbus RTU protocol instruction frame to obtain a control instruction and executes corresponding operation.
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