Data transmission system with bus failure recovery

Details Data transmission system with bus failure recovery Data transmission system with bus failure recovery

1999-07-08

2000-09-19

Phan, Trong

Multiplex communications

Fault recovery

370222, 370242, G01R 3108

Patent

active

061222488

ABSTRACT:
A data transmission system capable of ensuring proper operation even when any nodes-to-bus connection, which is not allowed by restrictions, is made. The system implements data transmission among a plurality of nodes mutually connected by a cable serving as a bus. The system includes a first process for initializing a control process on the nodes to the bus in accordance with a change in an electrical connection of the bus, a second process of detecting a connection topology of the nodes, and a third process for identifying each node to be connected to the bus. A forbidden connection detecting process is provided for detecting if there is a loop connection path of the nodes on the bus and handling operations are provided for executing handling in accordance with a result of detection by the forbidden connection detecting process.

REFERENCES:
patent: 5706278 (1998-01-01), Robillard et al.
patent: 5954796 (1999-09-01), McCarty et al.

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