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52 results about "PROFINET" patented technology

Profinet (usually styled as PROFINET, as a portmanteau for Process Field Net) is an industry technical standard for data communication over Industrial Ethernet, designed for collecting data from, and controlling equipment in industrial systems, with a particular strength in delivering data under tight time constraints (on the order of 1ms or less). The standard is maintained and supported by PROFIBUS & PROFINET International (PI) , an umbrella organization headquartered in Karlsruhe, Germany.

Method for controlling an automated I / O device system

Method for controlling an automated I / O device system for executing a production process with at least one production parameter (P), wherein the I / O device system comprises an I / O controller (3) with control software and at least one I / O field device (1), which are interconnected via a PROFINET network with a gateway (2) as a software and / or hardware interface for communication over the network, wherein the gateway (2) is an IO-Link master gateway, wherein the method for integrating the field device (1) into the I / O device system comprises: • providing a description file in gsdml format • executing configuration software (4), in particular an engineering tool, and scanning for further I / O field devices (1) via the network • recognizing the I / O field device (1) by the configuration software • providing a configuration database (9, 10) which includes at least one IODD of the field device (1).• Providing a support tool (5) for generating an application-specific description file, which forms the interface between configuration software (4) and the gateway (2), • wherein the support tool (5) includes a configuration module for accessing and configuring the I / O field device (1), • wherein the support tool (5) uses a data buffer (7) as a buffer during communication with the I / O field device (1) and / or as a buffer for parameters (P) for generating the application-specific description file, • Generating an application-specific description file in gsdml format via the support tool (5), wherein the support tool (5) is a standalone, computer-implemented form of a tool with which the description file to be used application-specifically by the support tool (5) is generated by supplementing the description file in gsdml format,i. Assigning an IODD according to parameter (P) of the IO field device (1) and according to production parameter (P); ii. Adding at least one parameter (P) and the article number from the IODD to the application-specific description file; iii. wherein the support tool (5) assigns the IODD to the field device (1) and accesses an internal configuration database (9) or an external configuration database (10) via an Ethernet connection (11) for this purpose; • Transferring the application-specific description file as a gsdml file to the IO controller (3) and the control software via the configuration software (4); • Executing the control software to control the IO field device (1); • Using a configuration and optimization tool, exporting the application-specific description file as an AML file.
Owner:IFM ELECTRONIC GMBH

Wafer polishing laser interference closed loop pressure control method

The application discloses a wafer polishing laser interference closed-loop pressure control method, and relates to the technical field of semiconductor manufacturing, and comprises the following steps: S1: a ceramic plate is triggered to automatically measure a program after being turned over with a wafer; S2: a laser interference measurement head is driven by a six-axis mechanical arm positioning system to non-contact scan T2 / T4 points of the wafer, and thickness distribution data is acquired; S3: a Zernike polynomial is adopted to fit the thickness distribution data to generate a three-dimensional distribution graph, and a pressure correction amount is calculated based on a pressure prediction model constructed by a process kinetics model and a support vector machine regression algorithm; S4: an abnormal processing module is used to detect data outliers in real time, and a device protection strategy is triggered when a deviation exceeds a set threshold; and S5: a pressure control instruction is transmitted to a polishing head by a PLC controller through a PROFINET bus. By means of non-contact laser interference measurement, the laser interference technology is applied to wafer thickness detection after polishing for the first time, and single measurement time is less than 20 seconds, so that the detection efficiency is significantly improved.
Owner:SHANGHAI SEMICON WAFER TECH CO LTD

A tilting control system for a converter

The application provides a converter tilting control system, relates to the technical field of iron and steel plants, and comprises a driving module, a Profinet communication networking module, a control module, a monitoring module, a fault diagnosis module and a safety protection module. The application provides a converter tilting control system, adopts a one master and three slave mode, and is matched with torque / speed closed-loop control of a Siemens S120 frequency converter, the master motor provides reference driving, the slave motor accurately follows torque output, in combination with a PLC dynamic compensation algorithm, can correct the speed difference and the torque difference in real time, is favorable for prolonging the service life of components, through a tilting trajectory planning module driven by an LSTM neural network, can replace a traditional fixed curve, generates an optimal trajectory in real time based on the liquid level, the composition, the temperature and the process type of molten steel, adapts to the lining state of different furnace campaigns, and through dynamic adjustment of the trajectory, can avoid the molten steel shaking risk, so as to improve the molten steel yield and the product quality stability.
Owner:HUNAN VALIN LIANYUAN IRON & STEEL CO LTD

Mobile equipment control system and method based on protocol conversion and wireless communication

The invention discloses a mobile device control system and method based on protocol conversion and wireless communication, the system comprises a communication conversion gateway, a remote communication module, a PLC controller and a GSD file configuration module, the method comprises the following steps: installing the communication conversion gateway on an AGV trolley, and using a built-in Modbus-TCP protocol parser to carry out protocol conversion on the AGV trolley; the Modbus-TCP protocol is analyzed into data in an XML (Extensible Markup Language) format; and generating a PN protocol message according to the XML format data obtained by analysis. According to the invention, efficient conversion between the Modbus-TCP and the Profinet protocol is realized through the communication conversion gateway, the problem of "protocol barriers" between different devices is solved, and the interoperability of the system is greatly improved; in combination with GSD file configuration, new equipment can be quickly accessed, and the flexibility and expandability of the system are remarkably enhanced; the optimized protocol conversion process and Profinet communication link greatly improve the response speed.
Owner:NINGBO XINGBOYUAN INTELLIGENT TECHNOLOGY CO LTD

Multi-band collaborative optimization pico-base station system and method based on AI

The invention discloses a multi-band collaborative optimization pico-base station system and method based on AI, and relates to the technical field of 5G communication. The system comprises a dual-band radio frequency module, an AI decision unit, an industrial protocol conversion unit and an intelligent power management module. The method comprises the following steps: acquiring signal data in real time, calculating an interference index and identifying an interference source type, and dynamically selecting a working frequency band and emission parameters by adopting a reinforcement learning model; meanwhile, an industrial protocol conversion function is integrated, native access of protocols such as Profinet / Modbus is supported, and power consumption is adjusted according to load changes. According to the invention, the defects of the existing pico-base station in the aspects of multi-band interference, industrial scene adaptation and energy consumption control are overcome, the coverage performance can be improved by 15-20%, and the interference processing response time is lt; the average energy consumption is reduced by 25%, and the system is particularly suitable for complex scenes such as intelligent manufacturing and transportation hubs.
Owner:CHINA YOUKE COMM TECH

Photovoltaic glass deep processing connection distributed control system

The utility model relates to the technical field of photovoltaic glass deep processing, in particular to a photovoltaic glass deep processing connecting line distributed control system which comprises a plurality of independent conveying devices, each independent conveying device is provided with an integrated electric box, and the integrated electric box is connected with the photovoltaic glass deep processing connecting line distributed control system. And a driving controller, a signal acquisition module and a bus communication interface are arranged in the integrated electric box. Each independent conveying device is provided with one integrated electric box, the electric boxes and the devices are delivered together, only a power supply and a communication line need to be connected during field installation, the problems of low efficiency, poor expansibility and insufficient standardization in traditional centralized wiring are solved, the system adopts a distributed control framework, and the system is simple in structure and convenient to use. All the devices perform efficient communication and data transmission with the PLC controller through the integrated electric box, and the system can realize rapid and stable data exchange through the ASI and Profinet bus, so that coordinated work among the devices is ensured, and the overall working efficiency and accuracy of the production line are improved.
Owner:ANHUI YINRUI GLASS MACHINERY

Automatic feed weighing and conveying system and method

The application discloses a kind of feed automatic weighing transmission system and method, system includes finished product warehouse unit, conveying unit, reserve warehouse unit and control system.Finished product warehouse unit contains 40 finished product warehouses, bottom pneumatic gate is connected to warehouse scraper;Conveying unit is composed of warehouse scraper, conveying scraper and hoist link;Reserve warehouse unit contains 16 reserve warehouses, bottom weight detection device is communicated with PLC;Control system is connected with distributed IO module control field equipment by PROFINET.Configuration specific wiring terminal, circuit breaker and protection switch for pneumatic gate, motor and the like, weighing sensor is communicated by MODBUSRTU protocol, and full warehouse early warning and shutdown alarm are provided.Transmission method includes variety matching, equipment sequence start, weight control path switching and current monitoring fault handling, and variety matching module stores the mapping relationship between feed and finished product warehouse.The system realizes feed automatic weighing transmission, improves efficiency and reliability.
Owner:SHANXI JINLONG BREEDING CO LTD

Protocol conversion method for single-pair Ethernet and 5G / 5G-A network

The invention relates to a protocol conversion method for a single-pair Ethernet and a 5G / 5G-A network, and belongs to the technical field of communication networks. Aiming at heterogeneous interconnection requirements of a single-pair Ethernet and a 5G / 5G-A network, a Profinet protocol is carried on the single-pair Ethernet, and protocol conversion between heterogeneous networks is completed through strategy cooperation, protocol identification, mapping, packaging and other units. The method specifically comprises the following steps of: distributing exclusive 5G / 5G-A service quality flows for different Profinet flows by utilizing a core network strategy collaboration unit; capturing and identifying Profinet data by means of a protocol identification unit, marking the Profinet data, and forwarding the Profinet data to a 5G / 5G-A data mapping entry; real-time and priority mapping is carried out on the marked data based on the quality of service and a data radio bearer mapping unit; and encapsulating the Profinet data into a 5G / 5G-A message to be sent through the data encapsulation unit, or reversely de-encapsulating the Profinet data into a Profinet message. According to the invention, protocol conversion based on service quality maintenance between the single-pair Ethernet and the 5G / 5G-A network is realized, and end-to-end deterministic transmission of cross-network industrial real-time data is ensured.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Automatic feeding control system and control method for labeling machine

The invention relates to an automatic feeding control system and a control method for a labeling machine, which are characterized in that an intelligent control system and a dynamic self-adaptive PID (Proportion Integration Differentiation) algorithm are additionally arranged, so that a traditional labeling machine is upgraded into intelligent equipment with autonomous sensing, accurate control and data tracing functions. A PLC + vision + servo modular architecture is adopted in hardware, hierarchical design and algorithm integration are achieved in software, and a real-time data interaction network is constructed through PROFINET and an industrial internet. Practical application shows that the labeling precision and efficiency can be remarkably improved, the labor cost and the defective product rate are reduced, and a feasible scheme is provided for intelligent upgrading of the manufacturing industry.
Owner:TAIZHOU QIYOU HOUSEHOLD GOODS CO LTD

Ethernet-APL Gateway

A device includes a plurality of interfaces for Ethernet-APL-and PROFINET-based connection to field devices of an industrial plant, in particular a process or manufacturing plant, and includes an interface for PROFINET-based connection to a higher-level automation device of the industrial plant, wherein the device is configured to serve as a communication switch between the higher-level automation device and the field devices, where the device is further configured to serve as a PROFINET IO device in the context of the connection to the higher-level automation device, and to serve as a PROFINET IO controller in the context of the connection to the field devices, to serve as an Ethernet-APL gateway in the context of the connections to the field devices and the higher-level automation device.
Owner:SIEMENS AG

Profinet equipment automatic test system and method based on PLC

The invention relates to the technical field of Profinet equipment testing, in particular to a PLC-based Profinet equipment automatic testing system and method, and the system comprises an access reference module which is used for accessing to tested equipment and comprises a PLC, an interaction unit, a quick connection base, a relay and a network forwarding unit; a benchmark is preset through the interaction unit, and the quick connection base is integrated with a quick plug power supply and a Profinet interface; and the power supply information module is used for controlling power supply of the relay through the PLC, initiating Profinet connection, reading equipment identification information and comparing the equipment identification information with a reference. According to the invention, the quick-plug power supply and the Profinet interface are integrated through the quick-connection base in the access reference module, so that the problem that the time consumed in the test preparation stage is long due to the fact that a power circuit and a communication circuit are manually connected respectively and the power supply on-off of the equipment is manually controlled in the traditional Profinet equipment test is solved.
Owner:SUZHOU FANYI TECH CO LTD

Robot control method and device, storage medium and electronic equipment

The invention discloses a robot control method and device, a storage medium and electronic equipment. Relates to the field of robot control, and the method comprises the following steps: receiving slave station IO data sent by a target slave station device based on a PROFINET network, the target slave station device being any one of a plurality of slave station devices of a robot; based on a mapping relationship, mapping the slave station IO data into a target IO variable, the mapping relationship being used for indicating a corresponding relationship between the IO data of the slave station device and the IO variable in the controller; and updating the target IO variable into a program variable of the robot to control the robot to execute a task. According to the invention, the technical problems of low robot control efficiency and poor flexibility caused by the fact that interaction between slave station equipment and a robot controller is realized by depending on additional PLC equipment as master station equipment in the prior art are solved.
Owner:SHANGHAI JIEKA ROBOT TECH CO LTD

Multi-protocol adaptive slave station control method and equipment

The invention belongs to the technical field of industrial control, provides a multi-protocol adaptive slave station control method and equipment, and is used for solving the problems of high protocol switching delay, complicated configuration and high hardware cost in the prior art. Comprising the following steps: capturing a data frame sent by an upper computer, and executing a hierarchical analysis strategy to identify a protocol ID corresponding to the data frame; switching to a corresponding protocol stack based on the protocol ID, and loading a protocol analyzer; analyzing the data frame to obtain a slave station control instruction; and executing the slave station control instruction and returning a response frame to the upper computer. According to the method, the rapid adaptive switching of the slave station to multiple protocols such as EtherCAT, PROFINET and Omron FINS is realized through the layered analysis and the rapid matching of the hash table in combination with dynamic switching, the protocol switching time is shortened to be within 200 milliseconds from the minute level, and the method can be used for controlling multiple scenes such as a slave station light source.
Owner:NANJING SHIDIAN ELECTRONIC TECH CO LTD

Driver communication module based on profinet bus

The utility model discloses a driver communication module based on a profinet bus, which is characterized by comprising a Profinet protocol conversion unit, an MCU (Microprogrammed Control Unit) data processing unit and a power supply module, the Profinet protocol conversion unit is fixedly arranged on a servo driver, the Profinet protocol conversion unit is communicated with a Siemens PLC (Programmable Logic Controller) through a Profinet protocol communication interface, and the power supply module is connected with the Profinet protocol conversion unit. The Profinet protocol conversion unit communicates with the MCU data processing unit through an FSMC interface, and the MCU data processing unit communicates with the servo driver through an SPI interface; the system has the advantages that the Profinet protocol conversion unit is communicated with the servo driver by using the SPI interface, so that the transmission rate is high; and the circuit is directly connected with the MCU data processing unit through the FSMC interface, so that the circuit is simple and the cost is low.
Owner:NINGBO ANXIN CNC TECH

An Electrical Automation Control System and Method for Flexible Production Lines

This invention discloses an electrical automation control system and method for flexible production lines, belonging to the field of industrial electrical automation control technology. The method includes initializing a distributed three-layer network structure comprising a regional management layer, a PROFINET bus control layer, and a field device layer; activating the robot cluster and conveyor belt in the field device layer; polling the field device layer to obtain material tracking data packets and equipment health data packets; unpacking these packets to obtain workpiece coordinates and robot unit operating parameters; fusing the two types of data to calculate a scheduling decision tree; traversing the decision tree to output a set of control instructions and sending them to the PROFINET bus control layer; receiving the execution result code, associating it with the workpiece coordinates, and storing it in the regional management layer. This method enables closed-loop interaction between field data and scheduling instructions, improves the real-time matching of production line scheduling, and enhances the collaborative operation capability of the multi-level control architecture.
Owner:AVINA INTELLIGENT TECHNOLOGY (QINGDAO) CO LTD

Ethernet APL gateway

The invention relates to an Ethernet APL gateway, in particular to a device having a plurality of interfaces for the connection of an Ethernet APL and PROFINET-based connection to a field device of an industrial installation, in particular a process installation or a manufacturing installation, and having an interface for the connection of a PROFINET-based connection to a superordinate automation device of the industrial installation, the apparatus is configured to act as a communication switch between a superordinate automation device and a field device. The device is characterized in that it acts as a PROFINET IO device in the context of a connection with the superordinate automation device and as a PROFINET IO controller in the context of a connection with the field device in order to act as an Ethernet APL gateway in the context of a connection with the field device and the superordinate automation device.
Owner:SIEMENS AG

PROFINET-based data communication method, equipment and medium

The invention provides a PROFINET-based data communication method and device, and a medium, and relates to the technical field of communication. The method comprises the following steps that: the UPF receives a first PROFINET discovery and configuration protocol identity confirmation message sent by target industrial equipment, and extracts a target network tunnel identifier according to the first PROFINET discovery and configuration protocol identity confirmation message; querying a target PDU session identifier corresponding to the target UE according to the target network tunnel identifier, and analyzing the first PROFINET discovery and configuration protocol identity confirmation message to obtain a target device identifier of the target industrial device; and according to the target PDU session identifier and the target equipment identifier, creating the industrial equipment table item, so that for the industrial equipment which is frequently online and offline, except the industrial equipment is online for the first time, the UPF can unicast and send the PROFINET discovery and configuration protocol identity recognition request message according to the industrial equipment table item, the network operation efficiency can be improved, and the network quality can be ensured.
Owner:SHENZHEN AI LINK CO LTD

A data communication method and a data communication circuit

This invention provides a data communication method and a data communication circuit. The data communication method includes: an EtherCAT slave station equipped with an SPI slave device and a Profinet slave station equipped with an SPI master device; acquiring a first interrupt signal from the EtherCAT slave station and / or a second interrupt signal from the Profinet slave station; enabling the SPI master device according to the first interrupt signal, allowing the Profinet slave station to send a character of a threshold number of bits to the EtherCAT slave station via the SPI master device, and the SPI slave device synchronously returning a first transmission data of the threshold number of bits to the Profinet slave station; and enabling the SPI master device according to the second interrupt signal, for the Profinet slave station to send a second transmission data to the EtherCAT slave station. This method achieves efficient and reliable transmission of synchronous data between the EtherCAT slave station and the Profinet slave station.
Owner:CERI DIGITAL TECHNOLOGY (BEIJING) CO LTD +1

Method for secure communication between programmable logic controllers, computing device and storage medium

The application relates to the technical field of industrial Ethernet communication, and discloses a safe communication method between programmable logic controllers, a computing device and a storage medium, wherein the method inserts a safe extension header of a fixed protocol identifier after an RTC header of a standard PROFINET data frame, realizes the transparent transmission of a safe field without destroying an original frame format and without modifying old equipment. A session key between devices is dynamically derived from a master key, a clock value synchronized based on a built-in precise clock transmission protocol of the PROFINET and a device hardware ID, double verification is conducted in combination with an encrypted time stamp and a rolling serial number, a replay attack is effectively resisted, and a misjudgment rate caused by network delay is significantly reduced. The scheme realizes seamless compatibility with an existing PROFINET network, dynamically resists a replay attack and a captured replay attack, and provides a solution with high availability and high security for an industrial real-time network.
Owner:SHENZHEN HUICHEN AUTOMATION TECH CO LTD

Modular sensor and system platform for measurements, cleaning and calibrations in analytical, temperature and pressure measurement technology

Modular sensor and system platform for measurements, cleaning and calibration in analytical, gas temperature, pressure measurement, flow measurement and level measurement technology. - with integrated Ethernet technology Advanced Physical Layer (APL) and Single Pair Ethernet (SPE) as well as a modular electronics hardware and electronics software platform for measurement parameters, cleaning / calibration systems and service systems in liquid and / or gas analysis and / or temperature and / or pressure measurement technology and / or flow measurement technology and / or level measurement technology. - with integrated fieldbus Ethernet technology APL and / or SPE, PROFINET etherCAT, Ethernet TCP / IP, Ethernet UDP / IP and other similar and / or adapted fieldbus protocols, e.g. I / O-Link, USB, for potentially explosive (IECEX, ATEX, FM) and / or non-hazardous (non-EX) environments, - with direct connection option to programmable logic controllers (PLCs) and / or input / output units (I / Os or remote I / Os) of established system manufacturers, via fixed cable connection, implemented as a 2-wire and / or multi-wire connection, copper and / or fiber optic connection, and / or wireless connection, WLAN and / or Bluetooth as well as WirelessHART. - with direct connection option to PCs for explosion-hazardous and non-explosion-hazardous environments via USB and / or via interface or , USB modem for sensor-side Ethernet APL and / or SPE and / or PROFINET and other sensor-side fieldbuses, e.g. I / O-Link, PROFIBUS DP / PA or or FF, or HART-IP, or HART 4mA and specially adapted fieldbuses (where the modem can be used for explosion-hazardous and / or non-explosion-hazardous environments). - operable with standardized user interfaces, such as PACTware-FDT / DTM, and / or common field communicators, e.g. Emerson 475 Field Communicator for FF and HART or other systems from established manufacturers, or apps or application software for mobile operating systems, such as iPhone and / or PC, laptop with different operating systems (e.g. Apple, Windows and the like) and / or Visual Basic with Visual Basic XML Generator (which generates Simple Visual Basic Code to Read & Write XML Data and uses libraries for C++, Oracle Java, VB .Net, Silverlight, VB6).
Owner:BABEL WOLFGANG DR

Crusher communication networking method and system based on PROFINET, terminal and storage medium

The application relates to the technical field of industrial communication, and particularly provides a crusher communication networking method and system based on PROFINET, a terminal and a storage medium, which comprises the following steps: establishing a PROFINET communication link between a main PLC and a crusher; connecting a TCP communication link between the main PLC and an upper computer, wherein the upper computer is connected with the crusher through a cable; the main PLC monitors the communication state of the PROFINET communication link, and if the communication state of the PROFINET communication link is abnormal, sends an instruction for acquiring crusher information to the upper computer. The main PLC is connected with the crusher from different network segments, so that the hardware burden of the main PLC is not increased, the interface of the main PLC is occupied, and the communication between the main PLC and the crusher can be realized; in addition, the main PLC can also establish a redundant link through the upper computer, so that the stability of the communication is ensured.
Owner:SHANDONG SHIHENG SPECIAL STEEL GROUP

PLC visual control device and method based on PROFINET slave station

The invention discloses a PLC (Programmable Logic Controller) visual control method based on a PROFINET slave station, which comprises the following steps: establishing a mapping relation between a PROFINET slave station protocol stack module and a PLC driving module and a connection relation with a PROFINET master station through initialization based on input configuration parameters, and starting an embedded Web server module, the mapping relation supporting data length mapping or offset mapping or variable mapping; based on GSDML file registration, connection between a PROFINET slave station protocol stack module and the PROFINET master station is established through a connection health degree real-time evaluation model and an abnormal diagnosis root cause positioning algorithm, AR / CR connection is established, IO data exchange and diagnosis information are driven, and the diagnosis information comprises diagnosis characteristics and diagnosis strategies; based on the input and output data of the PROFINET slave station protocol stack module, the storage and display of the data are realized through mapping and writing operations; data and diagnostic information visualization is realized based on external instructions or internal task instructions.
Owner:ZHEJIANG SUPCON RES +1

Deterministic real-time control method and system for advanced light source line station

The invention discloses a deterministic real-time control method and system for an advanced light source line station, and belongs to the technical field of accelerators, and the method comprises the steps: building a complete software and hardware communication link from a physical device to an upper layer application, enabling the system to enter a ready state, and completing PROFINET IRT network topology discovery, device parameter loading, protocol stack initialization and EPICS PV database binding; a fixed PROFINET IRT period circularly runs a complete data stream from physical signal acquisition to EPICS process variable update and event release, so that the fundamental conversion of a control system data update mechanism from polling to event driving is realized; and triggering the downlink of the control instruction when the equipment needs to be controlled. According to the invention, the direct transmission of the PROFINET IRT input data without protocol conversion and additional buffer between the user mode protocol stack and the EPICS IOC is realized.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI

A message forwarding method, device, apparatus and storage medium

The application provides a message forwarding method and device, equipment and a storage medium. The method receives a message sent by a first device, the message encapsulates a destination MAC address and a source MAC address, and the message is a Profinet RT message. Based on the containing relationship between a MAC address set recorded by an optical network unit and the destination MAC address, a target optical network unit corresponding to the destination MAC address is determined from a plurality of optical network units in communication connection with an optical line terminal. The message is forwarded to the target optical network unit, so that the target optical network unit sends the message to a second device according to the destination MAC address. Since the destination MAC address and the source MAC address are additionally encapsulated in the Profinet RT message, and the message is forwarded according to the destination MAC address instead of a VLAN identifier, the success rate of message forwarding can be improved in a passive optical network system lacking a switch.
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Communication conversion method for connecting field bus master station and servo press controller

The invention discloses a communication conversion method for connecting a fieldbus master station and a servo press controller, and belongs to the field of electronic data processing.The method includes the steps that the servo press controller, an Ethernet controller (W5500), a master control processor (STM32F103CT6) and an industrial communication interface module (Anybus B40) are integrated, a hardware architecture with multi-protocol fusion is constructed, and Modbus TCP / PROFINET / TSN protocol conversion is supported; an intelligent dynamic scheduling algorithm is adopted, and comprises GraphSAGE + GATConv-based 32-dimensional topological feature coding, XGBoost weighted similarity calculation and a priority formula of PPO reinforcement learning optimization, so that rhogt is realized; switching the TFT prediction model at 10%; the communication reliability is guaranteed through TSN three-level flow scheduling and PRP double-link redundancy switching, and the confidence coefficient is predicted to be 1t; when 60%, a CRITICAL alarm frame is triggered, and a communication period is adaptively adjusted; in combination with digital twin fault injection and GAN data enhancement, an instruction period of 0.92 + / -0.07 ms, emergency response of 238 + / -15 microseconds and a prediction error rate of 6.8% are finally achieved, and the method is suitable for a high-precision industrial control scene.
Owner:SHANGHAI XINBAOWEI ELECTRONIC TECH CO LTD

System and method for automatically selecting steel pipe flow path and electronic equipment

The invention belongs to the field of steel pipe flaw detection, particularly relates to a system and a method for automatically selecting a steel pipe flow path and electronic equipment, and aims to solve the problem of low working efficiency caused by the fact that the conventional steel pipe path needs manual planning and cannot be automatically selected. The system comprises a roller way sensor used for detecting a signal of a steel pipe and transmitting the signal of the steel pipe to a PLC main station; the distance measuring sensor is used for detecting a signal of the transverse moving vehicle and transmitting the signal of the transverse moving vehicle to the PLC main station; the control substation is used for acquiring a signal indicating whether the steel pipe is qualified or not and transmitting the signal indicating whether the steel pipe is qualified or not to the PLC master station; the PLC main station is used for controlling the running of the roller way and the transverse moving vehicle; the roller way is used for controlling the operation of the steel pipe based on a signal of the PLC main station; and the transverse moving vehicle is used for receiving a signal of the PLC main station through Profinet communication and controlling the operation of the steel pipe. According to the invention, automatic selection and automatic control of different flow paths of the steel pipe are realized.
Owner:CNPC BOHAI EQUIP MFG +2

Photovoltaic roof grid-connected photovoltaic power station distributed data acquisition monitoring system, method and device

The application discloses a kind of photovoltaic roof grid-connected photovoltaic power station distributed data acquisition monitoring system, method, device and storage medium, including S7-1500PLC as core controller, PROFINET I / O distributed module acquires photovoltaic power station operating parameter, using decentralized control, centralized management mode;PROFINET I / O distributed module acquires photovoltaic power station operating parameter;Before inverter accesses power grid, voltage harmonic table and current harmonic table and three-phase comprehensive electric meter collect the voltage and current harmonic of each phase, voltage and current value, calculate the data of three-phase, including total power, power factor, cumulative kilowatt-hour, convert analog signal into PROFINET network digital signal at power generation site, by PROFINET bus into central controller S7-1500PLC, central controller S7-1500PLC is used for centralized management.
Owner:JIANGSU JINGBAO ENERGY TECH CO LTD

A software configuration method for a communication module based on the PROFINET protocol

This invention relates to the fields of computer software and industrial control technology, and discloses a method for configuring communication module software based on the PROFINET protocol, comprising: S1: using a Qt5-based XML parsing library combined with the GSDML file standard structure to independently parse the PROFINET controller device description file, i.e., the GSDML file, and generate device parsing information; S2: displaying the description item information designed according to the device parsing information and the configuration item information set by the user on the software interface, respectively, for configuring the parameters of the controller module of the software; S3: saving the configuration item information to a specified file format, inputting it into the compiler software for execution, and simultaneously inputting the GSDML file into the compiler software and executing the call to generate a standard configuration file. This invention independently and controllably completes the configuration of the PROFINET slave controller, integrating the configuration of the PROFINET controller into domestic programming software, achieving independent control and ease of use for users.
Owner:ZHEJIANG SUPCON RES

Cloud edge collaborative virtual controller architecture, adaptation method and implementation method

PendingCN121995837AFault responseHardware monitoringController architectureEtherCAT
The invention discloses a cloud edge collaborative virtual controller architecture, an adaptation method and an implementation method, and relates to the technical field of industrial automation control. The virtual controller adopts a three-layer architecture of a cloud / upper engineering layer, an edge control layer and a field equipment layer, a core control unit is established by industrial control software and an industrial-grade industrial personal computer, and high-real-time and high-stability control of an industrial field is realized; according to the operation mechanism, through a closed loop process of upper computer programming configuration, edge side Runtime starting initialization, program downloading verification and real-time communication cooperation, traditional logic sequence defects are corrected, and control reliability is ensured; and the protocol adaptation module supports interconnection, intercommunication and conversion of a plurality of industrial protocols such as Modbus, EtherCAT, Profinet and the like. The method does not need to depend on a complex hardware architecture, solves the problems of poor compatibility, insufficient real-time performance and low deployment flexibility of a traditional controller protocol through deep collaborative optimization of software and industrial-grade hardware, is suitable for various industrial automation scenes, and has a wide application prospect through third-party detection verification. The protocol communication success rate and the control response performance meet the harsh requirements of an industrial site.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI