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An extension system and method for a peripheral interface of a servo driver

A servo driver and peripheral interface technology, applied in the interface field, can solve the problems of consuming research and development funds and manpower, prolonging the supply cycle, and high cost of use, and achieving the effects of convenient and fast expansion, good aging performance, and simple upgrade.

Pending Publication Date: 2019-04-05
杭州山梯姆自动化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Among them, the disadvantages of the first solution mainly include the following points: First, the use cost is high: due to the fixed integrated interface, when the actual application uses fewer interfaces than the design interface, there will be waste, for example, only one digital input interface is used in actual application , then other integrated digital input and output interfaces are wasted
When the actual application uses more interfaces than the design interface, it is necessary to redesign the control board, which will consume a lot of research and development funds and manpower,

Method used

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  • An extension system and method for a peripheral interface of a servo driver
  • An extension system and method for a peripheral interface of a servo driver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] An expansion system for the peripheral interface of the servo drive, such as figure 1 As shown, it includes a servo control mainboard 1 and an expansion board 2, the servo control mainboard 1 is provided with a DSP chip 3, a first FPGA chip 4 and a first connector 5, and the expansion board 2 is provided with a second FPGA chip 6 and the second connector 7 used in conjunction with the first connector 5, the expansion board 2 is provided with several data interfaces 8, each of the data interfaces 8 is coupled to the second FPGA chip 6, the DSP chip 3 connects described first FPGA chip 4 by first bus signal line, and described first FPGA chip 4 connects first connector 5 by second bus signal line, and described first connector 5 and described second The connector 7 communicates, and the second connector 7 is connected to the second FPGA chip 6 by a third bus signal line; Control the data interface 8 of the motherboard 1.

[0033] In this embodiment, the type of the expa...

Embodiment 2

[0043] A method for extending the peripheral interface of a servo driver is realized through the following steps:

[0044] S100, connect the first connector and the second connector, the DSP chip of the servo control main board judges the type of the second FPGA chip of the expansion board, and obtains the exact type of the expansion board;

[0045] S200. When the interface data on the expansion board is updated, the second FPGA chip of the expansion board processes the interface data, and stores the processed data in the storage address corresponding to the corresponding data interface;

[0046] S300. Wait for the interrupt signal of the expansion board. When the interrupt signal has an edge transition, the servo control main board reads the interface data according to the type of the expansion board and processes it to obtain processed data;

[0047] S400. Write the processed data into the second FPGA chip of the expansion board and generate a SYNC synchronization signal, an...

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Abstract

The invention discloses an extension system of a peripheral interface of a servo driver. The servo control system comprises a servo control mainboard and an expansion board, The servo control mainboard is provided with a DSP chip. a first FPGA chip and a first connector, The expansion board is provided with a second FPGA chip and a second connector used in cooperation with the first connector. theexpansion board is provided with a plurality of data interfaces; each data interface is coupled with the second FPGA chip; wherein the DSP chip is connected with the first FPGA chip through a first bus signal line, the first FPGA chip is connected with the first connector through a second bus signal line, the first connector is communicated with the second connector, and the second connector is connected with the second FPGA chip through a third bus signal line. The data interface of the original servo control mainboard is expanded in the mode that the expansion board is additionally arrangedon the original servo control mainboard, the data interface is connected through the first connector and the second connector, and if the instruction interface needs to be replaced, only the expansion board needs to be replaced, and the mainboard does not need to be replaced.

Description

technical field [0001] The present invention relates to the field of interface technology, in particular to an expansion system and method for the peripheral interface of a servo driver. Background technique [0002] Permanent magnet synchronous motor has simple structure, small size, light weight, low loss and high efficiency; compared with DC motor, it has no shortcomings such as commutator and brush of DC motor; compared with induction motor, it does not require reactive excitation current , can achieve high efficiency, high power factor, relatively large moment of inertia, small stator current and stator resistance loss, measurable rotor parameters, and good control performance; compared with ordinary synchronous motors, the excitation device is omitted and the structure is simplified , improve the efficiency, so the permanent magnet synchronous motor control system is more and more used in industrial production and daily life. [0003] With the expansion of application...

Claims

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Application Information

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IPC IPC(8): G06F13/38
CPCG06F13/385G06F2213/0016G06F2213/0002
Inventor 董建军
Owner 杭州山梯姆自动化科技有限公司