| 摘要 |
A device and method for detection of timing errors or failures of a communication controller (24) by a decentralized bus guardian (26) is provided. In a node (20) on a communication network (38), a communication controller (24), a bus guardian (26) and a bus driver (34) operate to receive and transmit information in a designated communication time slot on a communication medium (38). The bus guardian monitors activity on a communication medium and determines if it appears that the communications from other specific nodes on the communication medium are placing information on the communication medium within their designated communication time slots (54). If two or more of the communications from the other specific nodes are operating outside of there designated time slots, then the bus guardian determines that its own related communication controller has a timing failure.
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