Network management refers to the set of services and protocols that supervise the nodes (devices) on a CAN-based network – handling tasks like node addressing, status monitoring, and controlling node state. Two prominent higher-layer protocols, SAE J1939 and CANopen, approach network management very differently. SAE J1939 was created for heavy-duty…
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Enhancing CAN: Higher-Layer Protocols for Advanced Networking
By Wilfried Voss on March 11, 2025
This article is part of our comprehensive SAE J1939 online documentation. While highly effective in automobiles and small-scale applications, the Controller Area Network (CAN) alone is not ideal for machine automation due to its limitation of only 8 bytes per message. To address this, higher-layer protocols such as CANopen for…
