CN114363429A - Method and system for data interface interaction sharing data through Ethernet - Google Patents

Method and system for data interface interaction sharing data through Ethernet Download PDF

Info

Publication number
CN114363429A
CN114363429A CN202210037367.5A CN202210037367A CN114363429A CN 114363429 A CN114363429 A CN 114363429A CN 202210037367 A CN202210037367 A CN 202210037367A CN 114363429 A CN114363429 A CN 114363429A
Authority
CN
China
Prior art keywords
data
plc
ethernet
address
devices
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
Application number
CN202210037367.5A
Other languages
Chinese (zh)
Other versions
CN114363429B (en
Inventor
杨超裕
姜斌斌
李崇兵
闫光文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prinx Chengshan Shandong Tire Co Ltd
Original Assignee
Prinx Chengshan Shandong Tire Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Prinx Chengshan Shandong Tire Co Ltd filed Critical Prinx Chengshan Shandong Tire Co Ltd
Priority to CN202210037367.5A priority Critical patent/CN114363429B/en
Publication of CN114363429A publication Critical patent/CN114363429A/en
Application granted granted Critical
Publication of CN114363429B publication Critical patent/CN114363429B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Programmable Controllers (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention relates to a method and a system for data interface interaction sharing data through Ethernet, which solve the technical problems that electrical components for data conversion are easy to fail and the failure point is difficult to determine in the existing data transmission method, and comprise the following steps: the IP address configuration of the network module of the local multi-device PLC is realized, and the local devices are in the same network segment; establishing corresponding data address labels, wherein the data types are production type/consumption type respectively, and establishing communication rules of Ethernet to realize data interaction between PLC devices; configuring an IP address of an external network module of one main device PLC, and arranging other devices connected with the periphery in the same network segment and gateway; based on a TCP/IP communication protocol, label data is created, an external data label of the main equipment PLC is extracted, and read-write transmission interaction is realized; and transmitting the read-write data to realize data sharing among multiple devices. The invention can be used in the field of data transmission.

Description

Method and system for data interface interaction sharing data through Ethernet
Technical Field
The present invention relates to a data transmission method and system, and in particular, to a method and system for data interface interaction sharing data through ethernet.
Background
At present, important changes are made in the tire industry for realizing the conversion of new and old kinetic energy, and the tire production equipment cannot track and inquire data information of original production, process, formula, logistics, equipment and the like, so that the data of each link cannot be really and effectively tracked, problems cannot be solved in time, corresponding data support is not available, and a large amount of management work is increased. According to the method for data interface interaction and data sharing through the Ethernet, the tire equipment can interact data of all equipment and software in the production process, such as network data between a production line and an MES system, so that implementation management and control of production information, process formula and precision data are realized; the production line and WMS logistics storage data interaction, the AGV logistics transport vehicle and the storage three-dimensional warehouse can accurately inquire the information, the quantity and the position of the materials produced by the current equipment, and can better manage and count production operation; and information transmission of equipment between the upper and lower processes, and the like. The method for data interface interactive sharing data through the Ethernet brings information data sharing for production process and production management, and further information and intelligent factories are realized.
If all the equipment is in butt joint with the WMS storage three-dimensional warehouse, PLC data exchange is carried out in a point-to-point mode of on-site wiring, a logic program is compiled through PLC, then result data of the program is controlled to be connected/disconnected by an input module and an output module of the PLC, the data are transmitted to the three-dimensional warehouse, the equipment needs to carry out loading to the three-dimensional warehouse, the three-dimensional warehouse is sent to the equipment, the equipment transmits a loading truck to the three-dimensional warehouse, and data interaction such as reeling production completion signals is achieved.
The data transmission method needs complicated procedures such as construction threading, bridge manufacturing and installation and the like on site, and has the intermediate transition electric appliance fault phenomena in various aspects such as cable and relay damage; when a fault occurs, the equipment in which link is a specific link cannot be accurately judged, the equipment fault is difficult to find, fault points cannot be accurately found, and huge equipment hidden danger exists for operation and maintenance.
Disclosure of Invention
The invention aims to solve the technical problems that faults are easy to occur and fault points are not easy to determine in the existing data transmission method, and provides a method and a system for sharing data through data interface interaction of an Ethernet data interface, particularly data interface interaction between a multi-logic control PLC and upper computer equipment and other equipment and software through the Ethernet.
Therefore, the invention provides a method for carrying out data interface interaction and data sharing through Ethernet, which is characterized in that the data interface interaction is carried out through the Ethernet in multiple devices, the data information of one device PLC is shared between the multiple logic control PLC device and upper computer software, and the sharing of the multiple devices (the multiple devices refer to more than 2 devices, the same below) and the software data is realized through the Ethernet; the method specifically comprises the following steps: (1) the IP address configuration of a network module of a local multi-device PLC (programmable logic controller) is realized through BootP-DHCP TOOL software (local devices are in the same network segment); (2) establishing a corresponding data address label based on Studio5000 programming software, wherein the data types are production type/consumption type respectively, establishing a communication rule of Ethernet, and realizing data interaction between PLC equipment; (3) configuring an IP address of an external network module of one main device PLC (programmable logic controller) through BootP-DHCP TOOL software (other devices connected with the periphery are arranged in the same network segment and gateway); (4) based on a TCP/IP communication protocol, label data is created by using KepServer software, an external data label of the main equipment PLC is extracted, and read-write transmission interaction is realized; (5) transmitting the read-write data of the KepServer to MES/WMS/AGV/PLC and other related software to realize data sharing among multiple devices; the above steps are numbered for reference and illustration only and the order of the steps may be adjusted.
Preferably, in the step (1), a fixed IP address that does not conflict with each other at the same network end of the CPU module of the multi-device PLC is established by BootP-DHCP TOOL software, at this time, a statically fixed IP address, a subnet mask and a gateway need to be used, switching is made to manual configuration to solidify the IP address into the PLC module, after configuration is completed, the PLC module must be powered off and restarted to check whether the solidification of the IP address is completed, and it is necessary to ensure that the set IP information is correct.
Preferably, in the step (2), the step of establishing data interface interaction between local PLC devices of the same network segment in Studio5000 software includes: receiving a data request: creating a plurality of data address labels required to be received in a local main device PLC program (PLC capable of being connected with peripheral devices) in Studio5000 software, wherein the data types are consumption type and are used for receiving data of local other accessory device PLCs; meanwhile, a plurality of data address labels needing to be received can be created in an accessory equipment PLC program in Studio5000 software, and the data type is production type and is used for receiving data of local main equipment PLC; sending a data request: creating a plurality of data address labels needing to be sent in a local accessory equipment PLC program in Studio5000 software, wherein the data type is a production type and is used for sending data of the local accessory equipment PLC; meanwhile, a plurality of data address labels needing to be sent can be created in a main equipment PLC program in Studio5000 software, and the data type is a production type and is used for sending data of a local main equipment PLC; receive/send data request: the production type/consumption type data labels created in the Studio5000 software are required to be in one-to-one correspondence, and data communication between the PLC equipment of the local network segment can be realized.
Preferably, in the step (3), an independent ethernet module is added to the CPU master station of the local master device PLC, and an IP address, a subnet mask and a gateway in a network segment different from the local master device PLC are set by BootP-DHCP TOOl software, at this time, the statically fixed IP address, subnet mask and gateway need to be used, it is necessary to switch to manual configuration to solidify the IP address in the ethernet module, after the configuration is completed, the ethernet module needs to be powered off and restarted to check whether the solidification of the IP address is completed, it is necessary to ensure that the set IP information is correct, and then the network cable is connected to the network of other devices.
Preferably, in the step (4), based on a TCP/IP communication protocol, KepServer software is used to set an IP address, a subnet mask and a gateway that do not conflict with an ethernet module of a PLC as a main device to be connected in the same network segment, and a data tag that is corresponding to the PLC and needs to be received/transmitted is created at the same time, where the data type at this time is the same as the data type in the PLC, and an external data tag of the PLC as the main device is extracted to implement data interface interaction of read-write transmission.
Preferably, the KepServer software is only used for OPC interface communication between the receiving/sending device software and can read the value of the data tag in the PLC of the device.
Preferably, read-write data in the KepServer software are transmitted to related software and equipment such as MES/WMS/AGV/PLC, and data sharing among multiple equipment is realized.
Preferably, related software and equipment such as MES/WMS/AGV/PLC also need to set non-conflicting IP addresses, subnet masks and gateways of the same network segment, and also need to establish corresponding data tags for data exchange by KepServer software, thereby achieving a connection mode of multiple equipment and software data sharing.
A system for data interface interaction sharing data through Ethernet comprises: the system comprises a CPU, an Ethernet module, a virtual network card module and a factory-level TCP/IP industrial Ethernet; the CPU and the Ethernet module are used for configuring an independent local Ethernet card for each device so as to realize communication connection among the PLC devices; the virtual network card module, BootP-DHCP TOOL software realizes the configuration of corresponding IP addresses by the CPU module and the Ethernet module of the PLC of a plurality of devices; the TCP/IP communication protocol is used for connecting the KepServer software with an Ethernet module of the equipment PLC; data transmission, wherein Studio5000 software realizes a data connection interface between equipment PLCs; the KepServer software realizes data connection interaction among multiple devices and software in the same network segment; the factory-level TCP/IP industrial Ethernet is used for hardware facilities for realizing communication between devices and between the same IP addresses between software.
Preferably, the hardware facilities include network cables, switches and servers.
The invention has the following beneficial effects:
through the data interface parameters required by the Ethernet data reading equipment, the links of field wiring and electric wiring are saved, and the equipment failure rate existing in connection is reduced.
Drawings
FIG. 1 is a flow chart of a method for data interface interaction sharing data via Ethernet according to the present invention;
fig. 2 is a communication schematic diagram for implementing data interaction between software and devices in the same network segment on the plant level through Studio5000 and KepServer based on a TCP/IP communication protocol implemented by the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1, a method for data interface interaction sharing data through ethernet includes the following steps: the IP address configuration of a network module of a local multi-device PLC (programmable logic controller) is realized through BootP-DHCP TOOL software (local devices are in the same network segment); establishing a corresponding data address label based on Studio5000 programming software, wherein the data types are production type/consumption type respectively, establishing a communication rule of Ethernet, and realizing data interaction between PLC equipment; configuring an IP address of an external network module of one main device PLC (programmable logic controller) through BootP-DHCP TOOL software (other devices connected with the periphery are arranged in the same network segment and gateway); based on a TCP/IP communication protocol, label data is created by using KepServer software, an external data label of the main equipment PLC is extracted, and read-write transmission interaction is realized; and transmitting the read-write data of the KepServer to MES/WMS/AGV/PLC and other related software to realize data sharing among multiple devices.
As shown in fig. 2, the present invention provides a method for data interface interaction and data sharing through ethernet, which is based on a TCP/IP communication protocol, and implements communication of data interaction with software and devices in the same network segment on the plant level through Studio5000 and KepServer, and includes the following contents: the method comprises the steps that BootP-DHCP TOOL software is used as a CPU module and an Ethernet network card communication module of PLC related equipment, a fixed IP address which is not conflicted at the same network end of the CPU module of the multi-equipment PLC is established, at the moment, a static fixed IP address, a subnet mask and a gateway need to be used, switching is made to manual configuration to solidify the IP address into the PLC module, after the configuration is completed, the PLC module needs to be powered off and restarted to check whether the IP address is solidified, and the set IP information is required to be ensured to be correct. And the IP address of an external network module of one main device PLC is also configured (other devices connected with the periphery are arranged in the same network segment and gateway) through BootP-DHCP TOOL software, so that the port of the Ethernet card is marked.
As shown in fig. 2, in the present invention, the step of establishing data interface interaction between local PLC devices in the same network segment in Studio5000 software includes: receiving a data request: creating a plurality of data address labels required to be received in a local main device PLC program (PLC capable of being connected with peripheral devices) in Studio5000 software, wherein the data types are consumption type and are used for receiving data of local other accessory device PLCs; meanwhile, a plurality of data address labels needing to be received can be created in an accessory equipment PLC program in Studio5000 software, and the data type is production type and is used for receiving data of local main equipment PLC; sending a data request: creating a plurality of data address labels needing to be sent in a local accessory equipment PLC program in Studio5000 software, wherein the data type is a production type and is used for sending data of the local accessory equipment PLC; meanwhile, a plurality of data address labels needing to be sent can be created in a main equipment PLC program in Studio5000 software, and the data type is a production type and is used for sending data of a local main equipment PLC; receive/send data request: the production type/consumption type data labels created in the Studio5000 software are required to be in one-to-one correspondence, and data communication between the PLC equipment of the local network segment can be realized.
As shown in fig. 2, in the present invention, based on a TCP/IP communication protocol, KepServer software is used to set an IP address, a subnet mask and a gateway that do not conflict with an ethernet module of a PLC as a main device to be connected in the same network segment, and a data tag that is corresponding to the PLC and needs to be received/transmitted is created at the same time, and the data type at this time is the same as the data type in the PLC, and an external data tag of the PLC as a main device is extracted, so as to implement a data interface interaction of read-write transmission.
As shown in FIG. 2, in the present invention, the KepServer software is only used for OPC interface communication between the receiving/sending device software, and can read the value of the data tag in the device PLC.
The method for interactively sharing data through the data interface of the Ethernet, which is implemented based on the invention in figure 2, transfers read-write data in KepServer software to related software and equipment such as MES/WMS/AGV/PLC, and realizes data sharing among multiple devices.
As shown in fig. 2, in the present invention, related software and devices such as MES/WMS/AGV/PLC also need to set non-conflicting IP addresses, subnet masks, and gateways in the same network segment, and also need to establish corresponding data tags for data exchange by KepServer software, so as to achieve a connection mode of multiple devices and software data sharing.
The invention also provides a system for carrying out data interface interaction and data sharing through the Ethernet, which is provided with a CPU, an Ethernet module, a virtual network card module and a factory-level TCP/IP industrial Ethernet; the CPU and the Ethernet module are used for configuring an independent local Ethernet card for each device so as to realize communication connection among the PLC devices; the virtual network card module, BootP-DHCP TOOL software realizes the configuration of corresponding IP addresses by the CPU module and the Ethernet module of the PLC of a plurality of devices; the TCP/IP communication protocol is used for connecting the KepServer software with an Ethernet module of the equipment PLC; data transmission, wherein Studio5000 software realizes a data connection interface between equipment PLCs; the KepServer software realizes data connection interaction among multiple devices and software in the same network segment; and the plant-level TCP/IP server and the switch realize hardware connection between the devices needing data exchange.
The invention relates to a method for interactively sharing data through a data interface of an Ethernet, which solves the technical problems that electric elements for data conversion are easy to break down and fault points are difficult to judge in the existing data transmission method, reduces the data conversion mode of field wiring and arranging wires through various software and equipment data sharing, and realizes real-time performance, reliability and consistency of equipment data sharing.
A method for carrying on the data interface and interacting and sharing the data through Ethernet, IT is to integrate industrial Ethernet and IT local area network and Internet informationization each other and achieve the mutual sharing data of the data interface interaction of the multi-device, IT is an innovation of the transmission method of data interaction, abandon the complicated process such as threading, making the bridge frame and installing of the construction on the spot, there are middle transition electrical apparatus trouble phenomena in many aspects such as the cable, relay damage; the difficulty in troubleshooting equipment faults during operation and maintenance is avoided, and fault points cannot be found accurately, so that field wiring is reduced.
However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (7)

1. A method for carrying out data interface interaction and sharing data through Ethernet is characterized in that the method is characterized in that the data interface interaction is carried out through the Ethernet in a plurality of devices, the data information of a PLC (programmable logic controller) of the devices is shared between a PLC device and upper computer software, and the data sharing of the devices and the software is realized through the Ethernet; the method specifically comprises the following steps:
(1) the IP address configuration of the network module of the local multi-device PLC is realized, and the local devices are in the same network segment;
(2) establishing corresponding data address labels, wherein the data types are production type/consumption type respectively, and establishing communication rules of Ethernet to realize data interaction between PLC devices;
(3) configuring an IP address of an external network module of one main device PLC, and arranging other devices connected with the periphery in the same network segment and gateway;
(4) based on a TCP/IP communication protocol, label data is created, an external data label of the main equipment PLC is extracted, and read-write transmission interaction is realized;
(5) and transmitting the read-write data to realize data sharing among multiple devices.
2. The method according to claim 1, wherein in step (1), when a fixed IP address is established, which does not conflict with the same network end, of the CPU modules of the multi-device PLC, the static fixed IP address, the subnet mask and the gateway are used to switch to manual configuration, the IP address is fixed in the PLC module, after the configuration is completed, the PLC module is restarted after power is turned off, whether the IP address is fixed is checked, and it is ensured that the set IP information is correct.
3. The method according to claim 2, wherein the step (2) of establishing data interface interaction between local PLC devices in the same network segment includes:
receiving a data request: in a local main equipment PLC program capable of being connected with peripheral equipment, creating a plurality of data address labels required to be received, wherein the data type is consumption type and is used for receiving data of local other accessory equipment PLC; meanwhile, a plurality of data address labels needing to be received are also created in the accessory equipment PLC program, and the data type is production type and is used for receiving data of the local main equipment PLC;
sending a data request: in a local accessory device PLC program, creating a plurality of data address labels required to be sent, wherein the data type is production type and is used for sending data of the local accessory device PLC; meanwhile, a plurality of data address labels needing to be sent are also created in the main equipment PLC program, and the data type is production type and is used for sending data of the local main equipment PLC;
receive/send data request: the created production type/consumption type data labels are in one-to-one correspondence, and data communication between PLC equipment in a local network segment can be realized.
4. The method according to claim 3, wherein in step (3), an independent ethernet module is added to a CPU master station of the local master PLC, an IP address, a subnet mask and a gateway of a network segment different from the local master station are set, the IP address, the subnet mask and the gateway which are statically fixed are used, the manual configuration is switched to, the IP address is fixed in the ethernet module, after the configuration is completed, the ethernet module is restarted after power failure to check whether the IP address is fixed, it is ensured that the set IP information is correct, and then the network cable is connected to the network of other devices.
5. The method according to claim 4, wherein in step (4), based on a TCP/IP communication protocol, an IP address, a subnet mask and a gateway that do not conflict with an Ethernet module of a PLC (programmable logic controller) of a host device to be connected in the same network segment are set, and a data tag to be received/transmitted corresponding to the PLC is created, wherein the type of the data at this time is the same as the type of the data in the PLC, and an external data tag of the PLC of the host device is extracted to implement the data interface interaction of read-write transmission.
6. A system for carrying out data interface interaction and sharing data through Ethernet is characterized by comprising a CPU, an Ethernet module, a virtual network card module and a factory-level TCP/IP industrial Ethernet;
the CPU and the Ethernet module are used for configuring independent local and peripheral Ethernet card IP addresses for each device so as to realize communication connection between the PLC devices and other peripheral devices;
the virtual network card module is used for realizing the configuration of software used by corresponding IP addresses by the CPU modules and the Ethernet modules of the plurality of equipment PLCs;
the factory-level TCP/IP industrial Ethernet is used for hardware facilities for realizing communication between devices and between the same IP addresses between software.
7. The system for data interface interaction sharing data over ethernet of claim 6, wherein said hardware facilities comprise a network cable, a switch, and a server.
CN202210037367.5A 2022-01-13 2022-01-13 Method and system for carrying out interactive sharing data of data interface through Ethernet Active CN114363429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210037367.5A CN114363429B (en) 2022-01-13 2022-01-13 Method and system for carrying out interactive sharing data of data interface through Ethernet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210037367.5A CN114363429B (en) 2022-01-13 2022-01-13 Method and system for carrying out interactive sharing data of data interface through Ethernet

Publications (2)

Publication Number Publication Date
CN114363429A true CN114363429A (en) 2022-04-15
CN114363429B CN114363429B (en) 2024-02-09

Family

ID=81109168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210037367.5A Active CN114363429B (en) 2022-01-13 2022-01-13 Method and system for carrying out interactive sharing data of data interface through Ethernet

Country Status (1)

Country Link
CN (1) CN114363429B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020004287A (en) * 2000-07-04 2002-01-16 서진원 IP Gatway
KR20020078609A (en) * 2001-04-06 2002-10-19 영역개발(주) System and method for controlling connection of internet using arm
CN106899470A (en) * 2015-12-17 2017-06-27 南京南瑞继保电气有限公司 A kind of data acquisition network framework and planing method
CN111061669A (en) * 2019-10-23 2020-04-24 珠海格力智能装备有限公司 Station monitoring method, computer readable storage medium and system
CN111107177A (en) * 2019-12-27 2020-05-05 无锡信捷电气股份有限公司 Method for modifying HMI self IP and PLC IP through HMI
CN113759820A (en) * 2021-09-24 2021-12-07 北新集团建材股份有限公司 Gypsum board production line network connection system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020004287A (en) * 2000-07-04 2002-01-16 서진원 IP Gatway
KR20020078609A (en) * 2001-04-06 2002-10-19 영역개발(주) System and method for controlling connection of internet using arm
CN106899470A (en) * 2015-12-17 2017-06-27 南京南瑞继保电气有限公司 A kind of data acquisition network framework and planing method
CN111061669A (en) * 2019-10-23 2020-04-24 珠海格力智能装备有限公司 Station monitoring method, computer readable storage medium and system
CN111107177A (en) * 2019-12-27 2020-05-05 无锡信捷电气股份有限公司 Method for modifying HMI self IP and PLC IP through HMI
CN113759820A (en) * 2021-09-24 2021-12-07 北新集团建材股份有限公司 Gypsum board production line network connection system

Also Published As

Publication number Publication date
CN114363429B (en) 2024-02-09

Similar Documents

Publication Publication Date Title
CN1527169B (en) Redundant application station for process control system
JP6325070B2 (en) Smart substation protection control system based on Industrial Internet Architecture
CN107734042B (en) Low-cost remote debugging system and method
CN101964737B (en) Protocol conversion device based on PROFIBUS-DP master station field bus
CN108847979B (en) Self-adaptive configuration system and method based on SCADA
CN1244033C (en) Process control network with redundant field devices and busses
CN103343681B (en) The integrated double loop network coupling control system of rig based on IPC and PLC
CN104898620A (en) Ethernet-based redundancy control system and control method
CN102611613B (en) Self adaptation many redundancies loop-type network system and for selecting the method for bypass route
EP2283403A2 (en) System and method for implementing a power control application in a distributed control system using iec61850
CN103324133B (en) Drilling machine integrated loop network communication control system based on PLC
CN102624593A (en) Intelligent terminal used for integrating variant equipment of internet of things (IOT)
CN102722135B (en) High-voltage inverter remote-monitoring system based on gateway technology and realization method thereof
CN105652785A (en) PLC (programmable logic controller) communication module based on IEC (international electrotechnical commission) 60870-5-104 telecontrol protocol
CN105519050A (en) Control system and relay device
CN105278513A (en) Automatic control system
CN208572121U (en) A kind of universal embedded real-time data communication interface arrangement
CN114363429A (en) Method and system for data interface interaction sharing data through Ethernet
CN103513620A (en) PROFIBUS-DP1 master station communication server and realization method thereof
CN114167824A (en) Server production equipment cooperative management and control method, device and system
CN103454989A (en) Large-scale fan, high voltage motor operation monitoring system of large-scale fan and monitoring method of monitoring system
CN105159219A (en) Centralized control system for industrial microwave power source
CN102809956A (en) Systems and methods to overlay behaviors on foundation fieldbus alerts
CN105759746A (en) DDC controller control strategy online updating method based on Lonworks communication protocol
CN103019210A (en) Bus connection system controlled by flexible production line

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