101 results about "EtherNet/IP" patented technology

A supervisory control and data acquisition protocol converter having encoded meter register input ports which are able to interrogate, read, and retain data stored in viscous fluid or gas meter registers which communicate with the Automatic Meter Reading (AMR) protocols and convert that data upon request to an industrial monitoring and control system protocol such as MODBUS®, DF1, EtherNet/IP™, or ADAM 4000. The present art further provides serial RS-232C and RS-485, and Ethernet ports whereby said data may be transmitted and/or the apparatus may be setup according to user defined specifications. The present art apparatus also provides industrial standard pulse (0-5 volts) and current (4-20 milliamps) inputs. The present art further provides a user configurable display which may display any or only a portion of the aforesaid data along with other user desired data. The apparatus further serves a web page over the Ethernet port with the aforesaid data populating a table.

The invention provides an automatic distribution method of a blade server management internal network IP address. Each BMC module is outward provided with two groups of Ethernet buses which are connected with an SMC0 and an SMC1 for redundancy design. Communication interaction between each SMC and each MBC is realized through the Ethernet buses, a rate can reach 10/100 Mbps and is about 1000 times of a rate of an IPMB bus, and employing a differential signal is suitable for long distance communication. Through a mode of defining an ID number of each blade through a backboard, an Ethernet IP address of the BMC module is determined, an advantage of employing the mode is that whatever a position the blade inserts into, an IP address of a management internal network is determined and is only related to the ID number of each blade.

The invention provides a data receiving method of multiple network cards and a system thereof. The method is used to process data receiving of a multiple network card system. The method is characterized by: establishing a virtual network card between an application program installed on a computer and the multiple network cards so as to shield heterogeneity of the multiple network cards of a bottom layer. When numbers of an Ethernet card and an HFC network card are respectively one, the data receiving method of the multiple network cards concretely comprises the following steps: acquiring an Ethernet IP of the Ethernet card, connecting the HFC network card and establishing a network connection identification for the HFC network card; connecting and distributing the IP address for the HFC network, and simultaneously adding the IP address into a target multicast address group; establishing the share virtual network card and distributing the IP address for the virtual network; binding the IP address of the Ethernet card and the IP address of the HFC network card; carrying out processing to the uplink data which is emitted by the application program and is sent to the Ethernet card via the virtual network card; sending the downlink data to the virtual network card via the Ethernet or the HFC network card and then sending to the application program.

A system and method for distributing satellite television program signals utilizes IP and Ethernet multicast addresses to define and allow the acquisition and/or distribution of a particular satellite television program signal. The satellite program identification data or parameters for the particular satellite program signal are encoded by an IP multicast address assigned to the particular satellite television program signal from a block of IP multicast addresses, preferably by a mini head end. The assigned IP multicast address is mapped to an Ethernet IP address for distribution to an Ethernet compatible component such as a satellite signal receiver or set top box. In this manner, any and all satellite program signals may be provided to one or more satellite signal receivers through IP multicasting.

The invention relates to an Ethernet/IP communication gateway. Modbus serial equipment can be accessed into an Ethernet/IP network by mutually converting Ethernet/IP protocols and Modbus protocols; and main station equipment of the Ethernet/IP network can be used for scanning and controlling a Modbus site network and realizing data exchange. The communication gateway and the implementation method can be used for realizing data forwarding and analysis for the Ethernet/IP protocols and the Modbus protocols and also realizing the functions of an Ethernet/IP adapter and a Modbus Master; and a Modbus side can be used for managing as many as 32 Modbus-Slave equipment, supporting the segment transmission of Modbus commands and the packaging and the subpackaging transmission of Modbus data packets, and being capable of configuring gateway parameters by an upper computer. The invention has quite flexible application and good innovation and practicability.

A Mobile Ethernet Protocol that is used to logically extend a “home VLAN”, through an Ethernet/IP “campus network”, to mobile nodes on “foreign subnets”. The network architecture used for Mobile Ethernet is hierarchical and includes a Subnet Context Manager per subnet and a central Campus Context Manager. The protocol is generally based on the standard Mobile IPv4 protocol, but includes significant extensions to standard Mobile IP including using an 802 address as the permanent MN identifier, rather than an IP address, encapsulating and sending Ethernet frames through IP tunnels, and configuring a single Mobile Ethernet HA to provide access to multiple home VLANs wherein Home VLAN bindings for MNs are dynamically established. A MN does not need to be configured with a permanent IP address.

The invention discloses a gigabit Ethernet resource node for an NoC (Network on Chip) and a working method thereof. The gigabit Ethernet resource node consists of an Ethernet module and an Ethernet resource network interface. The Ethernet module comprises a UDP (User Datagram Protocol) unpacking and packing module, a triple speed Ethernet IP (Intellectual Property) core and a triple speed Ethernet IP core controller. The UDP unpacking and packing module is used for performing UDP packing and unpacking processing on transmitted data, and the triple speed Ethernet IP core is used for data transmission of an MAC (Media Access Control) layer of the gigabit Ethernet. The triple speed Ethernet IP core controller is used for setting a working mode of the triple speed Ethernet IP core. The Ethernet resource network interface comprises an FIFO (First Input First Output) module and an RNI (Resource Network Interface) controller. The FIFO module is used for storing received data and sent data. The RNI controller is used for conversion and forwarding of data of different protocols between the NoC and the gigabit Ethernet. The gigabit Ethernet resource node consumes less FPGA resource, a hardware circuit is simple, a data transmission rate is high, and communication efficiency of the data between the NoC and a PC is effectively improved.

The invention provides an industrial anomaly monitoring method and device, computer equipment and a readable storage medium. The method comprises the following steps: collecting message data of an Ethernet/IP-CIP protocol monitoring port; analyzing the message data to obtain an Ethernet/IP message header; judging whether the protocol is compliant or not according to the message header; if yes, performing deep analysis of the CIP protocol to obtain an instruction code and process parameters under the instruction code; generating a CIP protocol white list according to the instruction code and the process parameters under the instruction code in combination with the ip, the port and the protocol type, and setting a white list rule according to the CIP protocol white list; and collecting real-time message data, and judging whether the ip, the port and the application layer protocol of the real-time message data and the process parameters under the instruction code obtained after analysis are matched with the white list rule or not. The abnormal operation attack behavior of the industrial environment is identified through deep analysis of an Ethernet/IP-CIP protocol, in combination withthe specific content and behavior of a CIP protocol message and intelligent matching of field key process data.

The invention discloses a dual-port-random access memory (RAM)-based embedded common Ethernet/Internet protocol (IP) communication interface device, which comprises a core board unit and a bottom plate unit, wherein the core board unit is used for receiving, transmitting, analyzing and processing the data information of an Ethernet/IP industrial network and external equipment, providing an indication logical for an indication circuit in the bottom plate unit, fixing system information and providing software support for the whole device; and the bottom plate unit is connected with the core board unit to form a whole by a core board interface circuit, and is used for communicating with the Ethernet/IP network to exchange Ethernet/IP data, communicating with the external equipment to exchange external data, providing a standard circuit interface for the external equipment, interconnecting the communication interface device and the external equipment, indicating the current working condition of the communication interface device and providing power supply and resetting functions for the communication interface device. The dual-port-RAM-based embedded common Ethernet/IP communication interface device has high universality, and can exchange Ethernet/IP data information with any external equipment when the external equipment meets the specifications of the interface circuit in the communication interface device.

The present invention provides an automatic control system of a fully mechanized mining face based on an Ethernet/IP industrial Ethernet protocol and by taking an IPC (Industrial Personal Computer) asan intelligent control center, PAC (Programmable Automation Controller) as a control main station and an embedded network controller as a substation. The intelligent control center achieves parameteroptimization of the control main station and regulates operation speeds and intelligent control of mining and transport branches of the working face; the control main station is high in timeliness and high in reliability, and can be configured to achieve full working face device automatic control; and the embedded network controller can achieve control of an emulsification pump, an atomizing pump, a filtration station and three transportation machines and can uniformly receive dispatching of the control main station.

The invention provides a CIP asset detection method and device, computer equipment and a readable storage medium, and the method comprises the steps: collecting network flow, carrying out the networkmirror image analysis to obtain an IPMAC relation pair, and taking a preset MAC address from the IPMAC relation pair; judging whether the preset MAC address is unique in a database or not; if so, querying an OUI file of the IEEE according to a preset MAC address to obtain network card manufacturer information; judging whether a network card manufacturer corresponding to the network card manufacturer information is an automatic equipment manufacturer or not; if not, judging whether the equipment to which the preset MAC address belongs is subjected to CIP protocol communication or not; if so, judging that the equipment to which the preset MAC address belongs is receiving equipment for receiving the instruction; and setting the equipment information with the nearest MAC distance as the equipment information of the receiving equipment. Based on deep analysis of the Ethernet/IP-CIP protocol, the CIP assets are identified in combination with the acquired message characteristics of the CIP protocol, statistics and management of industrial control equipment such as a PLC and a DCS are facilitated, and the method is used for performing analysis and targeted protection for the industrial control environment.

The invention discloses a device for switching from ETHERNET/IP (Internet Protocol) industrial Ethernet to Profibus-DP. A hardware part mainly comprises a main control chip with a high-speed UART (Universal Asynchronous Receiver/Transmitter) port, an Ethernet physical layer transceiver and a Profibus-DP physical layer receiving-transmitting chip. On the basis of an ARM (Advanced RISC Machine) and a pure software Profibus-DP protocol stack, Profibus-DP equipment is accessed into an ETHERNET/IP network by combining an ETHERNET/IP slave station with a Profibus-DP main station. According to the device, a Profibus-DP main station protocol is realized by adopting the software protocol stack and the physical layer transceiver, so that the hardware structure is simple, and low cost is realized; and an embedded real-time operating system is taken as an operating system platform, so that the efficiency of protocol conversion is increased greatly, and the requirement of high instantaneity of the Profibus-DP and the industrial Ethernet can be well met.

The invention discloses a protocol conversion method, a gateway device and a storage medium. The method includes the following steps that the gateway device receives source EtherNet/IP messages or source TCP/IP messages sent by a first terminal; the gateway device converts the source EtherNet/IP messages into target TCP/IP messages, or, the gateway device converts the source TCP/IP messages into target EtherNet/IP messages; the gateway device sends the target EtherNet/IP messages or the target TCP/IP messages to a second terminal. The gateway device not only can automatically convert the EtherNet/IP messages into TCP/IP messages, and can also automatically convert the TCP/IP messages into EtherNet/IP messages, so that the purpose that the first terminal and the second terminal of different protocols are directly communicated with each other can be achieved.

The present invention provides a method for forwarding data in the Ethernet, an Ethernet physical layer cross apparatus, an Ethernet Media Access Control (MAC) layer cross apparatus, an Ethernet IP layer cross apparatus and cross cascade systems. In the method of the present invention includes the following features: configuring cross relationships between network device interfaces; determining whether an interface has a cross relationship with other interfaces according to the cross relationships configured after receiving data from the interface; sending the data to an interface which has a cross relationship with the interface from which the data is received if the interface from which the data is received has a cross relationship with other interfaces; and proceeding with existing forwarding processing in each layer if the interface from which the data is received does not have a cross relationship with other interfaces. The solution of the present invention dramatically reduces workload of network devices in the Ethernet and improves forwarding performance of the network devices.

The invention relates to the technical field of industrial control, and specifically relates to a novel real-time interactive PLC device. The PLC device comprises a bus, a microprocessor, an input unit, an output unit, a storage unit, a communication interface, an expansion interface, and a power module. The PLC device is characterized in that the input unit, the output unit, the storage unit, thecommunication interface and the expansion interface are connected with the microprocessor through the bus; the microprocessor comprises a calculator and a controller; the input unit comprises an input port and an input processing module; the output unit comprises an output port and an output processing module; the microprocessor operates CANopen, Profibus, EtherCAT, Modbus, Ethernet/IP, DeviceNetand a serial communication protocol. The substantial effects of the invention are that a PLC is provided with a key board and a display screen device, thereby achieving the real-time interaction function of the PLC device; an operation configuration unit is used for enabling the PLC to conveniently cooperate with devices with different protocol standards.

The invention discloses a stay-cord sensor based roller spacing measurement system and method. The stay-cord sensor based roller spacing measurement system comprises a limit switch used for performing zero setting, a stay-cord sensor used for measuring the roller spacing, a field data acquisition and processing unit and a control system, and is characterized in that the limit switch is located at the side, which is adjacent to a roller, of a mechanical arm; the stay-cord sensor is located between the roller and the mechanical arm; the field data acquisition and processing unit is used for receiving output signals of the limit switch and the stay-cord sensor and performing data processing on the received signals; the control system is used for performing data interaction with the field data acquisition and processing unit and controlling a motor to operate; signal output terminals of the limit switch and the stay-cord sensor are respectively connected with an I/O port of the field data acquisition and processing unit; the control system comprises a salve station controller and a master station controller; the field data acquisition and processing unit performs data interaction with the master station controller through a PROFINET bus; and the slave station controller performs data interaction with the master station controller through the Ethernet/IP.

The invention provides a station monitoring method, a computer readable storage medium and a system. A main PLC is used for monitoring the stations in real time by utilizing a double-layer control transmission bus principle; specifically, sub-PLC data of each station are transmitted to a main PLC through an Ethernet/IP protocol, and a control logic instruction is transmitted to the sub-PLCs through an EtherCAT protocol so as to control actions of each station; according to the method, a complex and cumbersome control mode adopting a plurality of PLCs is solved; through data transmission modesof the two buses, an Ethernet/IP bus is adopted for data transmission, and an EtherCAT bus is adopted for servo drive control instructions, so that it is ensured that no interference is generated between data transmission, and the accuracy and high efficiency of data transmission are facilitated.