Click the blue text Follow us 1. Definition and Background CANopen is a high-level protocol based on the CAN (Controller Area Network) bus, used for communication between devices in various fields such as industrial automation, vehicles, ships, and medical equipment. It is an application layer protocol built on top of the CAN physical layer and … Read more
In embedded systems and industrial equipment, the CAN bus is widely used in various scenarios as an efficient and reliable communication protocol. CAN0 and CAN1, as two independent CAN bus interface identifiers, are fundamentally distinguished by their physical channel separation and application scenarios. This article will delve into the differences between CAN0 and CAN1 from … Read more
1 Introduction CAN stands for Controller Area Network, which is a serial communication network capable of achieving distributed real-time control. Advantages: The transmission speed can reach up to 1 Mbps, with a maximum communication distance of 10 km, a lossless arbitration mechanism, and a multi-master structure. In recent years, the price of CAN controllers has … Read more
CAN Bus to DeviceNet—ADFweb Gateway Converter– Guangzhou Xinyu IoT Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Features: The CAN Bus to DeviceNet gateway has the following features: Realizes bidirectional information transmission between the CAN bus and DeviceNet network; Provides electrical isolation between the two buses; Can read CAN bus frames from DeviceNet frames; Can write … Read more
This article focuses on the wake-up, sleep, and reset of the ECU, examining whether your understanding aligns with these concepts. 1. ECU Wake-up To clarify the ECU wake-up process, we must study the corresponding hardware schematic. The essence of ECU wake-up is to supply power to the ECU. For better understanding, this article simplifies a … Read more
When testing the CAN bus in vehicles, we find that the resistance between the CAN buses in the vehicle is around 60 ohms. When testing a specific ECU CAN bus on a test bench, we may find that some ECUs have a resistance of 120 ohms, while others do not have any. Why does this … Read more
Introduction EcuBus-Pro is an open-source project designed to provide communication protocols and tools for automotive electronic control units (ECUs), enabling developers to interact with vehicle ECUs for diagnostics, debugging, data logging, and performance optimization. It has the following main features: Open-source and free User-friendly interface Cross-platform support (Windows, Linux, MacOS) Multi-hardware compatibility, including PEAK, KVASER, … Read more
In previous articles, we have completed discussions related to module testing. Starting from this section, we will introduce tests related to PACK, beginning with some knowledge about communication to lay the groundwork for subsequent chapters. In communication, we often encounter the term bus, such as address bus, data bus, control bus, etc. The English term … Read more
In the rapidly evolving automotive industry, process automation is key to reducing the cost of enabling automotive features. However, for many car manufacturers, updating defective software still means recalling tens of thousands of vehicles, which is undoubtedly a costly endeavor as it requires physical access to the hardware. A client of Concept REPLY faced a … Read more
1What is ECU? ECU (Electronic Control Unit), also known as “vehicle computer” or “on-board computer”, is a dedicated microcontroller for automotive applications. It consists of a microprocessor (MCU), memory (ROM, RAM), input/output interfaces (I/O), analog-to-digital converters (A/D), and large-scale integrated circuits for shaping and driving, similar to a regular computer. It is also easily recognizable … Read more