node guarding

Definition for: node guarding

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node guarding

Part of the error control mechanisms used in CAN open and CAL to detect bus-off or disconnected devices. The NMT master sends a remote frame to the NMT slave that is answered by the corresponding error control message. This mechanism is not supported in CAN FD.

Source CANdictionary (2016) - CiA CAN in Automation - www.can-cia.org