CN116647515A - Edge computing gateway communication method with serial port communication forwarding function - Google Patents
Edge computing gateway communication method with serial port communication forwarding function Download PDFInfo
- Publication number
- CN116647515A CN116647515A CN202310400643.4A CN202310400643A CN116647515A CN 116647515 A CN116647515 A CN 116647515A CN 202310400643 A CN202310400643 A CN 202310400643A CN 116647515 A CN116647515 A CN 116647515A
- Authority
- CN
- China
- Prior art keywords
- port
- controller
- forwarding
- executing
- serial port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000004044 response Effects 0.000 claims description 64
- 238000012360 testing method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000013480 data collection Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- 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
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/10—Arrangements in telecontrol or telemetry systems using a centralized architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/70—Arrangements in the main station, i.e. central controller
- H04Q2209/75—Arrangements in the main station, i.e. central controller by polling or interrogating the sub-stations
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses an edge computing gateway communication method with a serial port communication forwarding function, wherein a serial port S0 in the gateway is used for connecting an industrial field controller or instrument, a serial port S1 is used for connecting an HMI, and a serial port S2 is an expansion interface used for connecting a third party collector or HMI; the gateway provides TCP services, the external client can send read and write requests to the gateway using TCP wrapper with the controller communication protocol, the gateway forwards the payload portion of TCP to the controller, the controller responds to the data packets back to the requesting client using TCP wrapper, and the gateway internal data collection application uses this TCP services to communicate with the controller. The invention solves the problem that the serial port of the controller is occupied by the HMI and cannot directly collect data, the gateway internal collection application can not only communicate with the controller, but also ensure the communication function of the original HMI and the controller, and provides redundant serial port and TCP service for the application of third party equipment.
Description
Technical Field
The invention relates to the technical fields of Internet of things communication, data acquisition, serial port communication and data forwarding, in particular to an edge computing gateway communication method with a serial port communication forwarding function.
Background
At present, an internet of things flow is connected with industrial field equipment by using an edge computing gateway to perform data acquisition or control, when a controller or instrument equipment in a project provides external access control capability by using a serial interface, and a unique serial port is occupied by an HMI, the edge computing gateway cannot be directly connected into a communication line of the existing equipment on the premise of not affecting the function of the original HMI. For the limitation that a plurality of master station objects are not allowed in a Modbus-like serial bus, if a plurality of master stations are forcibly accessed, the problem of request and response data disorder exists; the general solution can be to use RS-485 multi-master-station hub hardware to solve the problem, the original upper computer and the edge computing gateway are respectively connected with 2 master-station terminals provided by the hub, and the controller or instrument slave-station equipment is connected with the hub slave-station terminals. In the process of hub type selection, only an RS-485 interface hub aiming at the problem is found in the market, and similar products aiming at an RS-232 interface are not available. Although the problem of part of the scenario can be solved by means of hubs, the project hardware costs may increase. Thus, there is a need for a new technique to enable an edge computing gateway to perform data collection and control while performing device access without affecting both the original HMI communications and the gateway and controller communications.
Disclosure of Invention
The technical purpose is that: aiming at the defects and problems in the background art, the invention discloses a method for a serial port communication forwarding function and an edge computing gateway, solves the problem that the serial port of the Internet of things equipment is occupied by an HMI and the edge computing gateway cannot be directly accessed to perform Internet of things communication, and provides a redundant interface for a third party equipment to use.
The technical scheme is as follows: the invention adopts the following technical scheme: an edge computing gateway communication method with serial port communication forwarding function comprises the following steps:
s1, a plurality of serial ports and TCP forwarding services are opened, wherein one serial port is used for being connected with a controller, the other serial port is used for being connected with an original HMI, and one redundant port is used for being applied by third party equipment; the TCP conversion service is used by an internal acquisition application client or an external client;
according to the response speed and reliability requirements of the communication processing of the request port, a mode of processing the port request according to priority is additionally provided in a basic port polling forwarding mode;
s2, controlling serial port communication forwarding
The gateway internal serial port communication forwarding application monitors each request source port, receives a request data packet sent by the request port, forwards the request data packet to a target port of the access controller, waits for receiving response data of the target port, and forwards the response data packet to the request source port.
Preferably, the gateway internal serial port communication forwarding function of the present invention applies a priority mode forwarding process, including the following steps:
s221, testing whether the port connected with the HMI has the request data, if not, executing S222, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S224;
s222, testing whether the redundant port has the request data, if not, executing S223, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and then executing S224;
s223, testing whether TCP service has client communication request data, if not, executing S224, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S224;
s224, whether the forwarding workflow is ended or not, if yes, executing a step S225, otherwise, executing a step S221;
s225, closing the opened serial port and the TCP service port to release the resources.
Preferably, the internal serial port communication forwarding function of the gateway of the present invention applies a polling mode forwarding process, comprising the following steps:
s231, testing whether the port connected with the HMI has the request data, if not, executing S232, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S232;
s232, testing whether the redundant port has the request data, if not, executing S233, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and executing S233;
s233, testing whether TCP service has client communication request data, if not, executing S234, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S234;
s234, whether the forwarding workflow is ended or not, if yes, executing a step S235, otherwise, executing a step S231;
s235, closing the opened serial port and the TCP service port to release the resources.
Preferably, the forwarding process of the present invention includes the steps of:
s21, reading request data from a request source serial port or a client socket;
s22, writing the request data into an S0 serial port of the access controller and sending out the request data;
s23, reading response data after waiting for S0 serial port response data;
s24, writing the response data into a request source serial port or a client socket and sending out the response data.
The edge computing gateway communication method for serial port communication forwarding has the advantages that the serial port communication forwarding function in the gateway realizes the communication function of an internal acquisition application and a controller under the condition that the communication function of an original HMI and the communication function of the controller are reserved, and a redundant interface is provided for other equipment applications.
The beneficial effects are that: the invention has the following beneficial effects:
according to the invention, the serial port data forwarding application is deployed in the gateway customized by the hardware interface, so that the HMI and the gateway internal acquisition application and the possible external third party equipment application can simultaneously communicate with the controller, and the interface can be used by plug and play without additional hardware adaptation.
Drawings
FIG. 1 is a flow chart of a data forwarding process flow with different interface priorities;
FIG. 2 is a flow chart of a data forwarding process with the same interface priority;
FIG. 3 is a sub-flowchart of the forwarding process in the flowcharts of FIGS. 1 and 2;
FIG. 4 is a schematic diagram of the connection of the HMI to the controller before gateway access;
FIG. 5 is a schematic diagram of a typical application scenario;
FIG. 6 is a schematic diagram of an application scenario;
fig. 7 is a schematic diagram of another application scenario.
Detailed Description
The present invention will be further understood by the following description of embodiments, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any modification of the definition of components or technical features and/or the form of the whole structure without substantial change should be considered as the protection scope defined by the technical solution of the present invention.
Pulling out a communication connection line between an HMI (upper computer) and a controller shown in fig. 4, connecting the controller and a gateway through an S0 serial port by using a serial port line, and connecting the HMI and the gateway through an S1 serial port by using another serial port line, wherein the connection is shown in fig. 5; the gateway structure of fig. 5 ensures both communication between HMI and controller and data acquisition; optionally, if there are other third party device applications and the controller are connected for communication, and the communication port uses a serial port, as shown in fig. 6, the gateway structure of fig. 6 provides the capability of the third party collector for communication with the controller by using the S2 serial port while guaranteeing the communication and data collection functions between the HMI and the controller; alternatively, if the device uses a portal communication protocol (e.g., modbus RTUOverTCP), connected as shown in FIG. 7, the gateway architecture of FIG. 7 provides the ability for third party collectors to access gateway internal TCP services and controller communications using the E0 portal while guaranteeing communication and data acquisition functionality between the HMI and controller.
The invention relates to an edge computing gateway for serial port communication forwarding, which comprises 3 RS-485 serial ports (or 3 RS-232 serial ports) and 1 network port, wherein a serial port S0 is used for connecting an industrial field controller (PLC, lower computer) or an instrument; the serial port S1 is used for connecting with an HMI (upper computer); the serial port S2 is an expansion interface and is used for connecting a third party collector or an HMI; the gateway provides TCP services, the external client can send read and write requests to the gateway using TCP wrapper with the controller communication protocol, the gateway forwards the payload portion of TCP to the controller, the controller responds to the data packets back to the requesting client using TCP wrapper, and the gateway internal data collection application uses this TCP services to communicate with the controller. The invention solves the problem that the serial port of the controller is occupied by the HMI and cannot directly collect data, the gateway internal collection application can not only communicate with the controller, but also ensure the communication function of the original HMI and the controller, and provides redundant serial port and TCP service for the application of third party equipment.
The invention discloses a serial port communication forwarding edge computing gateway communication method, which preferentially ensures the communication instantaneity and quality of an HMI and a controller, and comprises the following steps:
s1, a plurality of serial ports and TCP forwarding services are opened, wherein one serial port is used for being connected with a controller, the other serial port is used for being connected with an original HMI, and one redundant port is used for being applied by third party equipment; the TCP conversion service is used by an internal acquisition application client or an external client;
according to the response speed and reliability requirements of the communication processing of the request port, a mode of processing the port request according to priority is additionally provided in a basic port polling forwarding mode; if the request message of each source port (the port of the non-access controller comprises a TCP service client) has equal weight, selecting a port polling mode; if the communication rate between the source controller and the HMI is relatively high, and the request messages of other ports need to be forwarded to process, which may cause the link load saturation congestion between the gateway and the controller, the request response delay of each source port is tolerable for the request response delay of a general acquisition scene, but the problems of the response delay of clicking a button to send instructions to the controller, the unstable refresh speed of interface data, or the delay and the like are not acceptable for the HMI man-machine interaction interface, in order to cope with the problems, a priority port mode is provided, the HMI accesses the port with the highest priority, and the request data of the port is forwarded preferentially, and the request of other ports is processed if the port has no request data.
S2, controlling serial port communication forwarding
The gateway internal serial port communication forwarding application monitors each request source port, receives a request data packet sent by the request port, forwards the request data packet to a target port of the access controller, waits for receiving response data of the target port, and forwards the response data packet to the request source port.
According to the actual connection use in the step S1, configuring a serial port communication forwarding application, wherein 2 modes of forwarding according to priority and polling forwarding are available, configuring an S0 serial port of a connection controller, an S1 serial port of a connection HMI, an S2 serial port of a third party equipment application, and forwarding TCP service connection communication by using the serial port by a gateway internal acquisition application; for convenience in describing the following forwarding process using the ModbusRTU communication protocol as an example, the controller slave addresses are 1, and assuming that each device only accesses one address of the controller, the communication address between the HMI and the controller is 30001 as a WORD integer having a value of 100, the communication address between the S2 device and the controller is 30002 as a WORD integer having a value of 50, and the acquisition application inside the gateway configures a WORD integer having a value of 80 accessing the controller 30003.
Starting the function application after configuration, if the user selects the forwarding mode according to the priority, executing the forwarding processing flow according to the priority forwarding mode, wherein the communication request processing priority is S1> S2> E0 (gateway internal acquisition application), as shown in FIG. 1, the specific execution process is as follows:
s221, testing whether the port connected with the HMI has the request data, if not, executing S222, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S224;
s222, testing whether the redundant port has the request data, if not, executing S223, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and then executing S224;
s223, testing whether TCP service has client communication request data, if not, executing S224, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S224;
s224, whether the forwarding workflow is ended or not, if yes, executing a step S225, otherwise, executing a step S221;
s225, closing the opened serial port and the TCP service port to release the resources.
After the configuration, starting the function application, if the user selects the polling mode according to the priority, as shown in fig. 2, the specific implementation process is as follows:
s231, testing whether the port connected with the HMI has the request data, if not, executing S232, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S232;
s232, testing whether the redundant port has the request data, if not, executing S233, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and executing S233;
s233, testing whether TCP service has client communication request data, if not, executing S234, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S234;
s234, whether the forwarding workflow is ended or not, if yes, executing a step S235, otherwise, executing a step S231;
s235, closing the opened serial port and the TCP service port to release the resources.
In the communication method of the present invention, a user selects a forward mode according to priority or a poll forward mode, wherein the forward processing sub-flow is shown in fig. 3, and the detailed steps are as follows:
s21, reading request data from a request source serial port or a client socket, and if the request data source is an HMI, reading 300001 address 1 WORD data for the request data of '010300000001840A' (16 system); if the source of the request data is the S2 port device, the request data is '010300000001840A' and 300002 address 1 WORD data are read; if the source of the request data is a gateway internal collector TCP client, the request data is '01030002000125 CA' and 300003 address 1 WORD data are read;
s22, writing the request data into an S0 serial port of the access controller and sending out the request data;
s23, reading response data after waiting for S0 serial port response data, and if 300001 addresses are read, the response data is 0103020064B9 AF; response data is "01030200323991" if the 300002 address is read; response data is "0103020050B878" if the 300003 address is read;
s24, writing the response data into a request source serial port or a client socket and sending out the response data.
The present invention is, of course, capable of other and further embodiments and of modification in accordance with the invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention, but these modifications and variations are intended to be within the scope of the appended claims.
Claims (4)
1. The edge computing gateway communication method with the serial port communication forwarding function is characterized by comprising the following steps of:
s1, a plurality of serial ports and TCP forwarding services are opened, wherein one serial port is used for being connected with a controller, the other serial port is used for being connected with an original HMI, and one redundant port is used for being applied by third party equipment; the TCP conversion service is used by an internal acquisition application client or an external client;
according to the response speed and reliability requirements of the communication processing of the request port, a mode of processing the port request according to priority is additionally provided in a basic port polling forwarding mode;
s2, controlling serial port communication forwarding
The gateway internal serial port communication forwarding application monitors each request source port, receives a request data packet sent by the request port, forwards the request data packet to a target port of the access controller, waits for receiving response data of the target port, and forwards the response data packet to the request source port.
2. The edge computing gateway communication method according to claim 1, wherein the gateway internal serial port communication forwarding function in step S2 applies a priority mode forwarding process, comprising the steps of:
s221, testing whether the port connected with the HMI has the request data, if not, executing S222, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S224;
s222, testing whether the redundant port has the request data, if not, executing S223, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and then executing S224;
s223, testing whether TCP service has client communication request data, if not, executing S224, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S224;
s224, whether the forwarding workflow is ended or not, if yes, executing a step S225, otherwise, executing a step S221;
s225, closing the opened serial port and the TCP service port to release the resources.
3. The edge computing gateway communication method according to claim 1, wherein the gateway internal serial port communication forwarding function in step S2 applies a polling mode forwarding process, and the method comprises the steps of:
s231, testing whether the port connected with the HMI has the request data, if not, executing S232, otherwise, forwarding the request data of the port connected with the HMI to the port connected with the controller, reading the response data of the controller from the port connected with the controller, then transmitting the response data to the port connected with the HMI, and executing S232;
s232, testing whether the redundant port has the request data, if not, executing S233, otherwise, forwarding the request data of the redundant port to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the port of the third party equipment, and executing S233;
s233, testing whether TCP service has client communication request data, if not, executing S234, otherwise, after forwarding the request data from the client socket to the port of the controller, reading the response data of the controller from the port of the controller, then transmitting the response data to the client socket, and then executing S234;
s234, whether the forwarding workflow is ended or not, if yes, executing a step S235, otherwise, executing a step S231;
s235, closing the opened serial port and the TCP service port to release the resources.
4. A method of edge computing gateway communications according to claim 2 or 3, characterized in that the forwarding process comprises the steps of:
s21, reading request data from a request source serial port or a client socket;
s22, writing the request data into an S0 serial port of the access controller and sending out the request data;
s23, reading response data after waiting for S0 serial port response data;
s24, writing the response data into a request source serial port or a client socket and sending out the response data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310400643.4A CN116647515B (en) | 2023-04-14 | 2023-04-14 | Edge computing gateway communication method with serial port communication forwarding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310400643.4A CN116647515B (en) | 2023-04-14 | 2023-04-14 | Edge computing gateway communication method with serial port communication forwarding function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116647515A true CN116647515A (en) | 2023-08-25 |
| CN116647515B CN116647515B (en) | 2023-11-17 |
Family
ID=87619372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310400643.4A Active CN116647515B (en) | 2023-04-14 | 2023-04-14 | Edge computing gateway communication method with serial port communication forwarding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116647515B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150156286A1 (en) * | 2012-06-07 | 2015-06-04 | Schneider Electric Industries Sas | Message tunneling in an industrial network |
| CN106131028A (en) * | 2016-07-19 | 2016-11-16 | 上海电器科学研究所（集团）有限公司 | A kind of data transmission method of Free-port communication gateway |
| CN106713389A (en) * | 2015-11-13 | 2017-05-24 | 深圳云联讯数据科技有限公司 | Monitoring method and system |
| CN110266585A (en) * | 2019-06-14 | 2019-09-20 | 长飞光纤光缆股份有限公司 | A kind of full light intelligent industrial gateway based on edge calculations |
| CN210223030U (en) * | 2019-09-27 | 2020-03-31 | 禹云环境科技(广州)有限责任公司 | Acquisition transmission system based on loRa and HMI gateway |
| CN111371661A (en) * | 2020-03-23 | 2020-07-03 | 许昌中科森尼瑞技术有限公司 | System and method for realizing communication of multiple monitoring backgrounds based on CAN bus |
| CN111638706A (en) * | 2020-06-05 | 2020-09-08 | 中国第一汽车股份有限公司 | System and method for testing gateway controller |
| CN111740879A (en) * | 2020-06-10 | 2020-10-02 | 广州市扬新技术研究有限责任公司 | Data acquisition and data forwarding gateway implementation method |
| CN113259268A (en) * | 2021-07-02 | 2021-08-13 | 北京城建智控科技有限公司 | Network port and serial port data forwarding gateway and method supporting redundancy architecture |
| CN113347280A (en) * | 2021-08-09 | 2021-09-03 | 武汉迈威通信股份有限公司 | Multi-serial-port server system with redundant main and standby and load balancing functions |
| CN113364743A (en) * | 2021-05-18 | 2021-09-07 | 董秀娟 | Multi-channel communication method and device, electronic equipment and storage medium |
| CN214205568U (en) * | 2021-01-26 | 2021-09-14 | 无锡乾一物联网科技有限公司 | Industrial wireless communication protocol conversion gateway |
| CN217739763U (en) * | 2022-07-19 | 2022-11-04 | 山东科大机电科技股份有限公司 | Remote control and data acquisition device for coal mine equipment |
-
2023
- 2023-04-14 CN CN202310400643.4A patent/CN116647515B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150156286A1 (en) * | 2012-06-07 | 2015-06-04 | Schneider Electric Industries Sas | Message tunneling in an industrial network |
| CN106713389A (en) * | 2015-11-13 | 2017-05-24 | 深圳云联讯数据科技有限公司 | Monitoring method and system |
| CN106131028A (en) * | 2016-07-19 | 2016-11-16 | 上海电器科学研究所（集团）有限公司 | A kind of data transmission method of Free-port communication gateway |
| CN110266585A (en) * | 2019-06-14 | 2019-09-20 | 长飞光纤光缆股份有限公司 | A kind of full light intelligent industrial gateway based on edge calculations |
| CN210223030U (en) * | 2019-09-27 | 2020-03-31 | 禹云环境科技(广州)有限责任公司 | Acquisition transmission system based on loRa and HMI gateway |
| CN111371661A (en) * | 2020-03-23 | 2020-07-03 | 许昌中科森尼瑞技术有限公司 | System and method for realizing communication of multiple monitoring backgrounds based on CAN bus |
| CN111638706A (en) * | 2020-06-05 | 2020-09-08 | 中国第一汽车股份有限公司 | System and method for testing gateway controller |
| CN111740879A (en) * | 2020-06-10 | 2020-10-02 | 广州市扬新技术研究有限责任公司 | Data acquisition and data forwarding gateway implementation method |
| CN214205568U (en) * | 2021-01-26 | 2021-09-14 | 无锡乾一物联网科技有限公司 | Industrial wireless communication protocol conversion gateway |
| CN113364743A (en) * | 2021-05-18 | 2021-09-07 | 董秀娟 | Multi-channel communication method and device, electronic equipment and storage medium |
| CN113259268A (en) * | 2021-07-02 | 2021-08-13 | 北京城建智控科技有限公司 | Network port and serial port data forwarding gateway and method supporting redundancy architecture |
| CN113347280A (en) * | 2021-08-09 | 2021-09-03 | 武汉迈威通信股份有限公司 | Multi-serial-port server system with redundant main and standby and load balancing functions |
| CN217739763U (en) * | 2022-07-19 | 2022-11-04 | 山东科大机电科技股份有限公司 | Remote control and data acquisition device for coal mine equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116647515B (en) | 2023-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vitturi | On the use of Ethernet at low level of factory communication systems | |
| WO2016070628A1 (en) | Power line carrier communication terminal control device, system and method | |
| CN112671638A (en) | Gateway structure for multi-protocol conversion | |
| CN210804041U (en) | Multi-bus protocol conversion and data acquisition system | |
| CN113141306A (en) | Diagnostic message routing method and bus routing equipment thereof | |
| JP2004056728A5 (en) | ||
| CN110177013A (en) | A kind of EtherCAT master-salve station design and implementation methods based on FPGA | |
| WO2019000866A1 (en) | Data processing method and internet of things (iot) gateway | |
| CN111585862A (en) | Method and device for realizing network intercommunication between EtherCAT and TSN | |
| WO2022040847A1 (en) | Communication data processing method and apparatus | |
| CN104754521A (en) | Message transmitting method, wireless access point, wireless controller and system | |
| CN116647515B (en) | Edge computing gateway communication method with serial port communication forwarding function | |
| CN116155718B (en) | Side data interaction method oriented to distributed resource regulation | |
| CN114095901A (en) | Communication data processing method and device | |
| CN112491620B (en) | Multi-channel data transmission controller based on SRIO and adjusting method | |
| WO2001067678A1 (en) | An information switch | |
| CN114466039B (en) | OPCUA communication system and method based on 5G private network | |
| CN109756503A (en) | A kind of communications protocol design method of fire-fighting robot | |
| CN111800394B (en) | TRDP and Modbus-based protocol conversion gateway method | |
| CN102857504B (en) | Network optimized approach and device | |
| CN107819831A (en) | A kind of universal message system based on metaq and mns | |
| US6295280B1 (en) | Method for network node recognition | |
| CN114765578A (en) | Service quality control method and related equipment | |
| CN102110074A (en) | Multi-core processor and flow classification control device and method thereof | |
| CN220964912U (en) | Railway TSN communication gateway system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |