As people’s demands for automotive safety, comfort, exhaust emissions, and fuel economy become increasingly stringent, the amount of information exchanged between control units is growing, and the number of sensors and wires is rapidly increasing, making it more difficult to troubleshoot and repair. To ensure that the electronic systems in vehicles remain operational without taking … Read more
Detection Methods for CAN Bus ① Before checking the data bus system, ensure that all electronic control units (ECUs) connected to the data bus have no functional faults. Functional faults refer to those that do not directly affect the data bus system but will impact the functional process of a certain system. For example, if … Read more
When there are issues with the CAN bus, it is often accompanied by various faults, such as abnormal dashboard displays, the vehicle not starting, or not being able to turn off after starting, etc. We will mainly introduce the eight common types of CAN bus faults and specific troubleshooting methods. Below is the main text. … Read more
Summarizing from practice, sharing in social circles, creating the most down-to-earth public account Abstract Occasionally, during production, the EtherCAT network may experience a complete Init situation, requiring power cycling or reactivating the configuration to recover. How to diagnose which slave caused the network crash and what the possible reasons are? This article describes: Reasons and … Read more
Click ↑ aboveEngine Maintenance to follow,The Auto Repair Master Interprets Mechanical Frontier: jixieqianyan Automotive Frontier｜Mechanical Frontier｜Mechanical Videos｜Automotive Videos ECU hardware has input and output circuits, while the software consists of programs and data. To check whether the ECU is functioning properly, we should focus on these three aspects. Because the pins and functions used by … Read more
Click on the arrow to follow us! When the S7-1200 acts as a DP Master, if the DP slave is lost, the CPU will not stop, and there is no need to download the organization block to the CPU. For fault diagnosis of PROFIBUS DP, the following methods are available: 1. Through the indicator lights … Read more
Fault Diagnosis When S7-1200 communicates as a DP Master, the CPU does not stop and does not require downloading the organization block when a DP slave is lost. There are several methods for diagnosing faults in PROFIBUS DP: 1. Through the Indicator Lights on the Module The DIAG light on the front panel is green … Read more
In Siemens automation systems, the use of the Profibus DP bus is very common. It is essential to diagnose and detect faults in the bus devices during operation. Today, I will summarize these issues briefly, hoping that after learning, everyone can complete the diagnostics and monitoring of the DP bus. When applying PROFIBUS-DP and SIMATIC … Read more
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Welcome to Follow the China In Vitro Diagnostics Network CAIVD (1) Overview of Biochemical Diagnostic Instruments The biochemical analyzer (生化分析仪) is also known as a biochemical instrument, which uses the principles of photoelectric colorimetry and biochemical analysis methods to measure specific chemical components in body fluids. Due to its fast measurement speed, high accuracy, and … Read more