11 results about "Pci interface" patented technology

The invention relates to a pci interface module and a pci bus control data transmission method. Power-on reset is carried out through a reset management module; the external CPU issues a configuration space read-write command and transmits the configuration space read-write command to the configuration management module through a pci configuration space time sequence processing module of the transmission engine module; an external cpu issues a register read-write command through a pci register read-write time sequence processing module of the transmission engine module and transmits the register read-write command to an address decoding module, the address decoding module judges that a receiver is a dma data transmission time sequence processing module in the transmission engine module, the dma data transmission time sequence processing module receives the register read-write command, an external pci device applies for a pci bus, and the dma data transmission time sequence processing module transmits the dma data transmission time sequence processing module to an address decoding module; and data transmission is carried out. The method does not depend on an ip core developed by any special manufacturer or an interface chip produced by a third-party manufacturer.

The utility model discloses a small sheet metal stamping part deburring device through laser scanning, which comprises a control cabinet, the upper end of the control cabinet is fixedly connected with a first mounting rack, a Y-axis driving assembly is arranged in the first mounting rack, and the upper end of the first mounting rack is fixedly connected with a multi-point vacuum chuck clamp. According to the metal plate stamping part machining device, a metal plate stamping part can be clamped through the vacuum pump and the multi-point type vacuum suction cup clamp, the laser scanning sensor can be driven to move through the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly, and therefore various size information of the metal plate stamping part can be scanned through the laser scanning sensor; the position coordinate information for driving the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly is generated, a motion control card of a PCI interface installed on the processor can send control signals to a servo driver in the motion control card, servo motors of the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly are driven, and therefore the driving motors are driven to polish the edge of the sheet metal stamping part.

The invention discloses an angle measuring clamp applied to a follow-up rotary table, and relates to the technical field of industrial automation. Comprising an encoder resolving module circuit, an external interrupt signal interface circuit, a power supply circuit and an FPGA circuit, wherein an encoder resolving module realizes communication level conversion between encoder data and the FPGA circuit; the external interrupt signal interface circuit is used for inputting external interrupt signal pulses of a user into the angle measurement card; the FPGA circuit realizes encoder angle calculation, PCI interface logic realization, internal and external interrupt signal switching and the like; the PCI interface realizes high-speed data communication between the FPGA and the industrial control computer, and the power supply circuit is used for supplying power to the measurement and control card.

The utility model provides a CAN real-time measurement and control platform used for a loader electric drive system, which is composed of an inverted pendulum test platform, an angle encoder, a servo motor, a drive swing rod, a motion control card, a CAN bus module, a motor driver and a PC machine, the CAN bus module comprises two CAN nodes, the two CAN nodes are connected in series, the PC machine is in bidirectional connection with the motion control card, and the motor driver is connected with the motion control card. The input end of the motion control card is connected with the output end of the second CAN node through a PCI interface, the motion control card is in bidirectional connection with the motor driver, the motor driver is in bidirectional connection with the servo motor, the servo motor is in bidirectional connection with the inverted pendulum test platform, and the output end of the inverted pendulum test platform and the output end of the driving swing rod are connected with the input end of the angle encoder. And the angle encoder is bidirectionally connected with the first CAN node. According to the utility model, a scientific basis is provided for CAN network control and application of the loader electric drive system, and the loader electric drive system has significant use value and social and economic benefits.

The invention provides a domestic AD acquisition board. The system comprises a programmable logic gate array, an off-chip program memory, a power supply module, AD acquisition chips, a level translator and an interface connector, the interface connector is connected with the two AD acquisition chips to acquire 16 paths of independent 0-5V analog quantities, the AD acquisition chips convert levels into serial bus data through the level translator, and the serial bus data is connected with the off-chip program memory. And the programmable logic gate array receives the serial bus data of the level translator and then transmits the acquired data to the Compact PCI interface bus. According to the invention, the starting program of the programmable logic gate array can be stored in a power-down manner through the off-chip program storage; and the completely localized chip is completely controllable.

The utility model discloses a multi-interface servo motor corner position measurement controller, which belongs to the technical field of corner position measurement, and comprises a controller main body, and a signal conversion module, a CPLD (Complex Programmable Logic Device) module and an output interface module which are arranged on the controller main body, the CPLD module receives a single-end angular position data signal of the signal conversion module and transmits the angular position data signal to the output interface module; the output interface module comprises a PCI interface, a single-chip microcomputer data interface and an I / O interface, and is used for receiving the angular position data signals and correspondingly transmitting the angular position data signals to the servo control computer, the single-chip microcomputer and the data acquisition card. According to the utility model, the CPLD module is arranged, so that the integration level is improved, and angular position counting pulses with higher frequency can be processed; by arranging the output interface module, various types of angular position data transmission modes are provided, the flexibility, expansibility and anti-interference capability of data transmission of the corner position measurement controller are improved, and the corner position measurement controller is suitable for application occasions of corner position measurement of different types of servo motors.

A procedure that includes: generating, by a frame link module (FLM), in a frame belonging to a group of frames connected in a ring network, an uplink detection packet comprising information regarding a status and an identifier of a standby uplink port of the FLM (502), wherein the standby uplink port is configured in a Virtual Local Area Network (VLAN) that is not used by other ports of the ring network, so that the standby uplink port does not receive packets from the other ports; Determining, by the FLM and based on a system description of a Link Layer Discovery Protocol (LLDP) packet received by the standby uplink port from a customer network accessing the group of frames in the ring network, that the standby uplink port has a connection to the customer network (504); forwarding the uplink discovery packet by the FLM to the standby uplink port via a Peripheral Component Interconnect (PCI) interface of the FLM, wherein the standby uplink port is configured to override the VLAN while forwarding packets received via the PCI interface (506); Sending the uplink discovery packet by the FLM to the customer network via the standby uplink port, the uplink discovery packet being directed to a unicast destination address of an owner FLM in the ring network (508); Monitoring the receipt of the uplink discovery packet from the customer network by the owner FLM via a currently active uplink port in the ring network (510); and Determining, by the owner FLM and based on the successful receipt of the uplink discovery packet, that the standby uplink port and a set of switches in the customer network between the standby uplink port and the currently active uplink port are correctly configured (512).

The utility model discloses an NVMe hard disk operation terminal which comprises a bottom plate, a top plate, a side plate, a fan, a module assembly, a supporting column, a large-current load switch, a state acquisition and power supply control switch, a clock multiplexing chip, a PCI-E to USB chip, a PCI-E Switch chip, a voltage adjusting unit and a PCI interface. The utility model relates to the technical field of electronic engineering. According to the NVMe hard disk operation terminal, the bottom plate is designed, and the bottom plate, the top plate, the side plates and other components are combined to form a complete operation terminal, so that a user can operate and manage the NVMe hard disk conveniently. A user can use the terminal to carry out direct connection and hot plug operation of the NVMe hard disk, and the operation condition can be visually known through the equipped indicating lamp.

The application provides a wide voltage PCI resistance load card, which comprises a PCI interface control chip, a D / A chip module and an FPGA chip; the PCI interface control chip is used for receiving read / write signals sent by a PCI bus interface and forwarding the read / write signals to a local bus according to a preset mode; the D / A chip module comprises a plurality of groups of D / A chip sets arranged in an array, and each group of D / A chip sets constitutes a resistance channel; the FPGA chip is used for receiving read / write signals from the local bus, determining chip control signals and chip read / write data corresponding to a target D / A chip set in the plurality of groups of D / A chip sets based on the read / write signals, and transmitting the chip read / write data to the target D / A chip set based on the chip control signals, so that the target D / A chip set changes with the air speed and outputs corresponding resistance values. The application can solve the technical problem that the working voltage of the PCI resistance load card in the prior art cannot meet the joint test requirement of a certain type of aircraft lever force automatic adjustment system.

The utility model discloses a kind of PCI interface wire rod supporting devices of anti-extraction PIN, including fixed frame, three fixed sleeves are fixed on the fixed frame outer wall, three The press bar is equipped in the fixed sleeve, three The press plate is fixedly arranged on the press bar, the press plate bottom is fixedly arranged with clamping frame, the fixed frame outer wall is equipped with two link grooves, two The link rod is equipped in the link groove.The utility model is through the unique structure design, realize the quick clamping fixation of supporting device and mainboard and the synchronous extrusion fixation of PCI interface wire rod.Operating personnel only need to press once, and positioning installation of mainboard and device can be completed simultaneously, and the stable support of wire rod is completed, avoid the cumbersome process that traditional device needs to be fixed first supporting structure in case, then wire rod is separately fixed, greatly shorten assembly time, significantly improve installation efficiency.

The invention provides an electromechanical management system bus monitor which comprises a portable reinforcing machine, a modular expansion cabin is arranged at the bottom of the portable reinforcing machine, four PCI bus slots are integrated in the modular expansion cabin, and bus simulation cards with four PCI interfaces, namely HB6096, ARINC825, 1553B and AFDX, are respectively mounted in the four PCI bus slots; the portable reinforcing machine is further provided with a signal interface box used for connecting the interfaces of the four PCI bus simulation cards with an airplane interface. Electromechanical monitoring software is configured in the portable reinforcing machine and comprises a real-time monitoring module, a data playback module, a protocol analysis module and an interface setting module. According to the bus monitor, real-time monitoring and fault analysis of various electromechanical buses, bus data recording and data playback analysis can be implemented on an outfield aircraft, and the fault diagnosis efficiency of an aircraft electromechanical management system can be improved.