Safety communication system
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United States of America Patent
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N/A
Issued Date -
Jan 15, 2004
app pub date -
Jun 13, 2003
filing date -
Jun 18, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a safety communication system in a automation application (5), comprising a first communication bus (19) on which at least one first safety monitor (12) is connected fitted with several outputs (13), and a second communication bus (29) on which are fitted a second inputs safety module (25), capable of generating a second safety signal, and a second safety monitor (22) receiving said safety signal and fitted with several outputs (23), on the second communication bus (29). Outputs (13) of the first safety monitor (12) are electrically connected to inputs of the second inputs module (25) so as to control at least one output (23) of the second safety monitor (22) as a function of the state of the outputs (13) of the first safety monitor (12).
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