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Most engineers encounter CAN bus isolation the same way: after something breaks in the field that never broke in the lab. Here's everything you need to know before that happens to your design.
When a CAN bus goes down, identifying the root cause requires more than a basic connectivity check. The key is learning how to interpret the signals and protocol behavior that reveal what the network is experiencing. By understanding normal CAN voltage levels, recognizing abnormal readings, and decoding error frames, engineers can quickly trace issues such as wiring faults, termination problems, interference, or failing nodes. Mastering both the electrical and protocol layers transforms troubleshooting from trial-and-error into a systematic diagnostic process.
PCAN-Explorer 7 is now available, bringing major updates for engineers working with CAN, CAN FD, and CAN XL networks. This release adds support for CAN XL, expands trace analysis, and introduces modern automation for teams that monitor, analyze, transmit, and test CAN traffic using PCAN hardware.
Looking for the right CAN data logger? This guide breaks down the differences between CANedge1, CANedge2, and CANedge3, helping you choose the best option for your needs. Whether you need offline SD card logging, Wi-Fi-enabled data offloading, or 4G cellular connectivity with GNSS and IMU, this post covers key features, use cases, and a side-by-side comparison to make your decision easy.
Discover the fundamentals of CAN data logging, including how it works, key applications, and how to choose the right CAN logger for diagnostics, performance optimization, and predictive maintenance. Optimize data collection and improve system efficiency with expert insights.
Get the basics on benefits, disadvantages, and common use case examples for the CAN (Controller Area Network) protocol.
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