Source:Automotive Chassis Home Requirements for Adding Termination Resistors According to ISO11898-2 regulations on the value of termination resistors, a 120Ω termination resistor must be connected at both ends of the bus, totaling 60Ω on the bus, while intermediate nodes do not require termination resistors, as shown in Figure 1. Figure 1 Termination Resistor Effects of … Read more
Bus control, as the name suggests, refers to a control system where many devices are set up on a single bus circuit. As shown in the figure below, all smoke exhaust outlets in the same smoke compartment can be controlled by a single bus control line. A button on the bus control panel can simultaneously … Read more
In the previous introduction, we discussed aerospace data bus technology and noted that FC bus technology is considered one of the main data buses for the future development of aviation buses due to its high-speed data transmission characteristics, high reliability, and strong scalability. Therefore, in the upcoming articles, we will provide detailed introductions on aspects … Read more
1 FlexRay Bus Introduction 1.1 FlexRay Generation and Development As the number of functions enhancing safety and comfort in cars continues to increase, the number of sensors, transmission devices, and Electronic Control Units (ECUs) required to implement these functions is also on the rise. Today, high-end cars have more than 100 ECUs, and without adopting … Read more
Editor ▎ Wang Yan Review ▎Yu Yongchu Jinfen Mall Popular Book Rankings ☞ Jinfen’s Favorite Book Rankings ☞ Mechanical Book Rankings ☞ Production Management Rankings ☞ Design Software Rankings How to Quickly Publish Articles in the ‘Automotive Engineer’ Magazine October 2022 Automotive Production and Sales: Continued Year-on-Year Growth, New Energy Vehicles Set New Historical Highs … Read more
In electrical automation projects, RS485 communication is often encountered, and many beginners are not very familiar with it. Today, we will discuss the applications related to RS485, and you will find that there is indeed a lot of knowledge involved. We will choose some common issues that are often considered in engineering for your reference. … Read more
EtherCAT is a commonly used industrial field bus that features a flexible network topology, simple system configuration, and intuitive operation similar to field bus systems. Additionally, due to the low implementation cost of EtherCAT, it has become a viable option in situations where field bus networks were previously not applicable. Next, we will use Huichuan … Read more
This article mainly shares some popular science knowledge about automotive communication technologies, hoping to be helpful to everyone. Bus Communication Communication protocols connect various ECU nodes within the vehicle, forming a local area network inside the car. Nodes complete predetermined control functions and actions, such as motor start and stop, based on their own sensor … Read more
Background The I2S bus is a common bus that needs to be mastered. Concepts The I2S (Inter-IC Sound) bus, also known as the integrated circuit built-in audio bus, is a bus standard formulated by Philips for audio data transmission between digital audio devices. This bus is responsible for data transmission between audio devices and is … Read more
As a seasoned electrical engineer, one should be well-versed in various bus systems. Today, I have compiled relevant materials for everyone! 1. Overview 1. Introduction to IEC61158 IEC61158 is the fieldbus standard from the International Electrotechnical Commission (IEC). Currently, the IEC61158 fieldbus standard has developed a series of standards, with the latest version being IEC61158-6-20 … Read more