Safety protocol for industrial controller

Details Safety protocol for industrial controller Safety protocol for industrial controller

2007-04-10

2007-04-10

Lamarre, Guy (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S758000, C714S781000

Reexamination Certificate

active

10675476

ABSTRACT:
Messages in a high reliability industrial control system are associated with safety messages that enable reliable detection of data errors caused during transmission of the message over the network. In particular, error detection codes are generated and transmitted along with message data. At a receiving node, an expected EDC is generated and compared to the EDC transmitted over the network to determine whether any data was corrupted.

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patent: 6598197 (2003-07-01), Peterson et al.
patent: 6615387 (2003-09-01), Williamson et al.
patent: 7047475 (2006-05-01), Sharma et al.

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