Please follow the WeChat subscription account “Finger Motorcycle” to read the latest information on motorcycle maintenance and repair. Search for ID mscmoto directly in WeChat to follow! The repair process for this motorcycle began ten days ago. A customer came to the shop asking for help with an EFI motorcycle that had no spark from … Read more
Methods for Testing the CAN Bus① Before checking the data bus system, ensure that all electronic control units (ECUs) connected to the data bus are free of functional faults. A functional fault refers to a failure that does not directly affect the data bus system but impacts the functional flow of a specific system. For … Read more
I still remember that hot summer three years ago when I received what seemed like a simple project—designing a constant pressure water supply system for an industrial park. At that time, I thought, isn’t it just a variable frequency drive paired with a few water pumps? Little did I know that this would take three … Read more
PLC Simple methods for modifying and debugging PLC programs 6 comprehensive causes of PLC failures, easily resolved! Animated working principles of classic PLCs and sensors 7 methods to quickly resolve PLC failure issues PLC | S7-200 smart program viewing and writing Simple methods for modifying and debugging Siemens PLC programs Allen-Bradley (AB) PLC program detection … Read more
Fault Diagnosis: Common Causes of Siemens PLC Program Freezing and Quick Troubleshooting Methods As an automation engineer, I cannot count how many times I have been called to the site to handle the issue of “the equipment suddenly stopped working.” In most cases, this is related to the PLC program freezing. Today, I will share … Read more
The Siemens S5 series PLCs commonly found in the industrial market in China include three main models: U-type (general-purpose), W-type (word processing), and R-type (switching). Different models of PLCs exhibit different fault manifestations and diagnostic methods. Among these, software faults can be resolved using Siemens-specific programming tools, as Siemens PLCs are equipped with communication PC … Read more
CmBacktrace Fault Diagnosis In the world of embedded development, ARM Cortex-M series microcontrollers are widely used in various embedded systems due to their high performance and low power consumption. However, as system complexity increases, developers often feel helpless when facing issues like “Hard Faults.” Quickly locating and resolving these errors has become a significant challenge … Read more
In recent days, several Audi vehicles have come into the shop, all displaying the warning “Battery Voltage Low.” The car owners initially thought, “It’s fine, we can still drive!” But as they drove, the car suddenly broke down and turned into an electric deadweight! Time to call a tow truck! Using a diagnostic tool, the … Read more
The troubleshooting steps for a PLC (Programmable Logic Controller) typically follow a systematic and detailed process to ensure accurate and efficient identification and resolution of faults. Below is a comprehensive guide to PLC troubleshooting steps: 1. Preliminary Observation and Assessment 1. Observe Appearance and Indicator Lights: ● Check the PLC device for any visible physical … Read more
Current Status and Prospects of Aircraft Ground Testing Technology Wang Hong （Beijing Great Wall Aerospace Measurement and Control Technology Research Institute, Aviation Industry Corporation of China, Beijing 101111） Abstract: Testing is an indispensable part of all stages of an aircraft’s life cycle. Aircraft ground testing refers to all testing technologies used during the aircraft development … Read more