US Patent 7411319 Safety relay system
Patent 7411319 was granted and assigned to Keyence on August, 2008 by the United States Patent and Trademark Office.
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A safety relay system includes one or more additional input units each for sending safety input from a safety component, a master unit for receiving the safety input from the additional input unit and providing safety output to operate a safety relay based on the safety input, a safety information line for transferring safety information between the units, a non-safety information line for transferring non-safety information separate from the safety input, the non-safety information being information concerning an operation state of each safety component or each unit, and a non-safety information output section for outputting the non-safety information transferred on the non-safety information line.
US Patent 07411319 Safety relay system US Patent 7411319 Safety relay system
US Patent 07411319 Safety relay system
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