10 results about "Protocol converter" patented technology

The present disclosure provides a method for PCIE data transmission. The method includes: determining whether the length of a PCIE data packet to be transmitted is less than a preset length; when it is determined that the length of the PCIE data packet is less than the preset length, performing data transmission on the PCIE data packet by means of a space of a base address register and a protocol converter; and when it is determined that the length of the PCIE data packet is greater than or equal to the preset length, performing data reading / writing on the PCIE data packet in a DMA manner. Therefore, the utilization rate of a PCIE bandwidth is improved, and the running reliability of a host is improved.

This disclosure provides an interface protocol converter and an electronic device, relating to the field of digital integrated circuits. The interface protocol converter includes: a read conversion module configured to convert the interface protocol of the read channel of an Advanced Scalable Interface (ASPI) into the interface protocol of a Static Random Access Memory (SRAM); the read conversion module includes: a read address FIFO memory; a read request expansion unit; a read identity FIFO memory; and a read data control FIFO memory; and a write conversion module configured to convert the interface protocol of the write channel of an ASPI into the interface protocol of a SRAM. By optimizing the data path structure, deep optimization of the SRAM interface characteristics is achieved, which can significantly reduce conversion latency and hardware resource consumption, while achieving higher bandwidth utilization and energy efficiency.

The application provides a remote upgrading method of a photovoltaic inverter, comprising the following steps: a concentrator sends an upgrading request to a protocol converter; the concentrator sends message information to the protocol converter when the protocol converter meets the upgrading condition; the concentrator sends an upgrading file to the protocol converter when the protocol converter completes the receiving; the concentrator sends an upgrading file transmission time and a target inverter number to the protocol converter; the protocol converter sends an upgrading request to the target inverter when the protocol converter completes the receiving; the protocol converter sends message information to the target inverter when the target inverter meets the upgrading condition; the protocol converter sends the upgrading file to the target inverter; the concentrator sends an activation instruction to the protocol converter when the target inverter completes the receiving; the protocol converter sends the activation instruction to the target inverter after receiving the activation instruction; and the target inverter activates the upgrading file according to the activation instruction.

This application relates to a Lincoln submerged arc welding digital welding machine data acquisition system, comprising: a digital welding machine; a protocol connector connected to the digital welding machine via a signal cable; a PLC connected to the protocol connector via a protocol converter; and an industrial control computer connected to the PLC via a network cable. By setting up a protocol connector and a protocol converter, the PLC can connect to the digital welding machine via the protocol connector, protocol converter, and signal cable. Parameters such as current, arc voltage, and frequency of the digital welding machine can be transmitted back to the PLC via the protocol connector, protocol converter, and signal cable. The industrial control computer can acquire relevant data from the PLC during the welding process of the digital welding machine via the network cable and store it in an SQL database. The enterprise's MES system can connect to the industrial control computer via a wireless or wired network to obtain the welding process data from the SQL database within the industrial control computer, generate a quality certificate, and provide it to the customer's supervisor for random inspection. This solves the technical problem that the process data of the digital welding machine cannot be read by the enterprise's MES system.

The invention relates to a device for housing a protocol converter in a hose for underwater electrical connection, comprising: at least one junction block connected to a hose for underwater electrical connection; the junction block comprises at least one dry chamber at atmospheric pressure and at least one pressurized chamber filled with oil, which are isolated from each other; wherein the at least one dry chamber at atmospheric pressure comprises at least one electronic board; at least one first throughpass arranged in the at least one pressurized chamber filled with oil; at least one second throughpass arranged in the at least one dry chamber at atmospheric pressure; at least one underwater cable for interconnecting the at least one dry chamber at atmospheric pressure and the at least one pressurized chamber filled with oil, wherein the at least one underwater cable is connected to the at least one first throughpass and to the at least one second throughpass; and at least one dielectric oil passage channel, which extends between the two ends of the junction block connected to the hose for underwater electrical connection; wherein the dielectric oil passage channel passes through the at least one pressurized chamber filled with oil.

This invention provides a DP to PA bus protocol conversion method and related apparatus, comprising the following steps: lexical parsing of the received raw message to obtain a token sequence; syntactic analysis of the token sequence to construct an abstract syntax tree; post-order traversal of the abstract syntax tree to extract protocol data units and obtain an intermediate representation; binding the DP bus data objects or function block parameters in the obtained intermediate representation with PA bus function block parameters or data based on dynamic mapping rules; and coordinating the data transmission rate between the DP bus and PA bus using timing compensation and flow control mechanisms to achieve protocol conversion between the DP bus and PA bus. This invention solves the technical problems of poor version compatibility, fixed mapping relationships, and difficulty in timing synchronization of existing protocol converters, achieving high-performance protocol conversion with a conversion delay of less than 1ms and a data transmission accuracy of 99.99%.

The present application discloses a multimedia video system and a protocol converter thereof. The multimedia video system comprises a storage device, such as a TV set, and various video devices connected to the back of the storage device. The protocol converter is connected to the storage device. The protocol converter not only processes the audio and video signals from the specific video source and outputs the signals to the storage device for playing, but also converts the audio signals and outputs the converted audio signals to the audio output device connected to the protocol converter. Furthermore, the protocol converter can process the audio signals received from the storage device through the audio acquisition processing device, and output the processed audio signals to the audio acquisition processing device through the audio feedback channel or the enhanced audio feedback channel, and finally convert the audio signals into various audio output interfaces supported by the protocol converter.

This invention discloses a control method and apparatus between an electricity consumption information collection terminal and a charging pile. The method includes: in response to a user initiating a charging operation, a charging pile intelligent controller or protocol converter generates a charging start event; after receiving the charging start event, the electricity consumption information collection terminal polls the operating status data of the charging pile according to a preset cycle; the main collection station calculates the load control value to be controlled based on the operating status information of the distribution area, and generates flexible control parameters based on the load control value; the electricity consumption information collection terminal performs differentiated power allocation based on the flexible control parameters and the real-time adjustable margin of each charging pile, generates a power control command, and prioritizes the adjustment of charging piles with larger adjustable margins; in response to a user ending a charging operation, the charging pile intelligent controller or protocol converter generates a charging end event, and after receiving the charging end event, the electricity consumption information collection terminal removes the corresponding charging pile from the polling list and stops periodic polling.

The utility model discloses an industrial field distributed intelligent bus communication station, including electrical cabinet, a plurality of card rails are equipped in the electrical cabinet for installing electrical components, and the electrical components of installation include redundancy power module, embedded data acquisition station, protocol converter, redundancy input module and active terminal module, the acousto optic alarm of electrical cabinet top outside is equipped with, redundancy input module is connected with active terminal module through embedded data acquisition station, protocol converter and forms redundancy communication link, and the bus from station equipment of production field is accessed in redundancy communication link in proper order, and embedded data acquisition station is connected through redundancy communication interface and bus communication network, redundancy power module, protocol converter, redundancy input module, active terminal module are connected through embedded data acquisition station and acousto optic alarm electrically and form linkage cooperation, and the environmental compatibility and the interference immunity are strengthened, and through redundancy power supply and redundancy link, improve reliability.