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Networking method and device of equipment and data transmission system

A device and networking technology, applied in digital transmission systems, transmission systems, data exchange through path configuration, etc., can solve problems such as heavy workload, manual modification, and difficult operation

Active Publication Date: 2021-09-14
GUANGZHOU XAIRCRAFT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of this application provides a device networking method and device, and a data transmission system to at least solve the current problem of connecting the device to the CAN bus for networking. It is necessary to manually modify the CANopen node ID of the slave device, which is a technical problem with high operational difficulty and heavy workload

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  • Networking method and device of equipment and data transmission system
  • Networking method and device of equipment and data transmission system
  • Networking method and device of equipment and data transmission system

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0028] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such...

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Abstract

The invention discloses a networking method and device of equipment and a data transmission system. The method comprises the following steps: when an instruction of accessing a CAN bus is received, slave equipment generates a first node identifier, and the first node identifier is used for distinguishing different slave equipment; the slave equipment sends a first message to the host equipment according to a preset time interval, and the first message comprises the first node identifier; the slave equipment receives a second message from the host equipment and stops sending the first message, the second message is a message generated after the host equipment receives the first message, and the second message comprises a second node identifier; and the slave equipment accesses the CAN bus according to the second node identifier. According to the method and the device, the technical problems of high operation difficulty and large workload due to the fact that the ID of the CANopen node of the slave equipment needs to be manually modified when the slave equipment is accessed to the CAN bus for networking at present are solved.

Description

technical field [0001] The present application relates to the field of equipment networking, in particular, to a equipment networking method and device, and a data transmission system. Background technique [0002] CANopen is a CAN-based application layer master-slave protocol. CANopen divides the 11-bit ID of the CAN bus into a 4-bit function code and a 7-bit CANopen node ID. The COB-ID mentioned later is a 7-bit ID. Communication object ID. At present, when the CANopen slave device is connected to the network (when registering in the host), it is necessary to modify the COB-ID in the slave device object dictionary to distinguish the ID of the slave device, so as to use the arbitration mechanism of CAN to avoid the conflict of the data packets sent by the device and to identify it. Which device on the bus reports data. [0003] At present, when CANopen slave devices are networked, it is necessary to manually modify the COB-ID in the object dictionary through software. Wh...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L12/24H04L29/12
CPCH04L12/40006H04L41/0886H04L41/0889H04L2012/40215H04L2101/627
Inventor 简俊杰
Owner GUANGZHOU XAIRCRAFT TECH CO LTD
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