Bridge for an industrial control system using data manipulation techniques

A bridge (17) usable in a highly reliable industrial control system (10) provides an interface between a producer module and a consumer module receiving the messages in accordance with a different communication protocol. The bridge (17) includes a first network interface receiving two messages from...

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Bibliographische Detailangaben
Hauptverfasser:	VASKO, DAVID, A, LENNER, JOSEPH, A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A bridge (17) usable in a highly reliable industrial control system (10) provides an interface between a producer module and a consumer module receiving the messages in accordance with a different communication protocol. The bridge (17) includes a first network interface receiving two messages from the producer, a microprocessor capable of converting the messages from the producer communication protocol to consumer communication protocol, and a second network interface transmitting the messages to the consumer. One of the messages is reversible altered with respect to the other message. The altered message is uninverted in the consumer module, and compared to the other message to ensure that no transmission errors have occurred.