OD (Object Dictionary): This is an ordered, predefined group of objects that can be accessed via the network, with each object addressed by a 16-bit index and an 8-bit sub-index. The range of a node’s object dictionary is from 0X1000 to 0X9FFF. COB-ID (Communication Object Identifier): This is the message frame ID of the CANopen … Read more
In the field of industrial automation, communication protocols are like the nervous system of modern factories, and CANopen is undoubtedly the most reliable and efficient communication solution within this network. It is not just a communication standard; it is a vital link that connects devices and enhances production efficiency. This article will delve into this … Read more
CANopen is a high-level protocol based on CAN, which is widely used in various automation control systems. CANopen networks use twisted pair cables to transmit differential signals, but factors such as poor electromagnetic environment, non-standard wiring, and unreliable grounding in domestic industrial sites can directly affect communication quality and interfere with bus operation. To ensure … Read more
Follow/Star Public Account to not miss important news! This tutorial is authored by strongerHuang and published. Copyright: Commercial Use Prohibited Disclaimer:This document is for personal learning use only. For reprints, please contact the author through the public account for authorization. To facilitate everyone to view this CANOpen Series Tutorial on their phones anytime and anywhere … Read more
CAN (Controller Area Network) and CANopen are communication protocols commonly used in the automotive and industrial automation fields, facilitating communication between various devices and components within a system. CAN is a serial communication standard that operates at the first two layers of the OSI model, namely the physical layer and the data link layer (functioning … Read more
1、Special Protocols (Specialprotocols) To facilitate CANopen master station management of slave stations. In the CANopen protocol, special COB-ID has been predefined for special functions, mainly including the following types of special messages. 1.Synchronization Protocol (Syncprotocol) Synchronization (SYNC), this message object mainly implements synchronized transmission across the entire network, as shown in the figure, just like … Read more
Follow Our Public Account to Not Miss Any Updates!! This tutorial was originally published by the author strongerHuang in September 2018. Tags: CAN, CANOpen, CanFestival Copyright: Commercial Use Prohibited Disclaimer:This document is for personal learning use only. Please contact the author for authorization before reprinting. 1Introduction The previous article discussed CAN and CANOpen, and I … Read more
Welcome to join the technical exchange QQ group (2000 people): Power Electronics Technology and New Energy 739609936 High-reliability new energy industry top self-media Here you can find power electronics, new energy content, industry development trend analysis, latest product introductions, and many technical experts sharing their experiences. Welcome to follow our WeChat public account: Power Electronics … Read more
Follow/Star Public Account to never miss any updates! This tutorial is originally published by the author strongerHuang in October 2018. Tags: CAN, CANOpen, CanFestival Copyright: Commercial use prohibited Disclaimer:This document is for personal learning use only. For reprinting, please contact the author for authorization through the public account. 1Introduction In the previous article of this … Read more
This video tutorial is highly practical, covering a lot of content, especially the PDO synchronization cycle and the non-periodic synchronization techniques that need to be thoroughly understood. Additionally, the H7-TOOL’s CANopen parsing feature has added split-window displays for NMT, PDO, SDO, emergency messages, etc., making it convenient for message classification when networking multiple devices. Video … Read more