APPARATUS FOR NETWORKING PROGRAMMABLE LOGIC CONTROLLERS TO HOST COMPUTERS

A control system for transferring messages between a programmable logic controller (21) and a host computer (25) over an Ethernet communications network (23) is disclosed. The messages include a routing address specifying an originating drop number and a destination drop number and a routing drop nu...

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Bibliographische Detailangaben
Hauptverfasser:	BRONIKOWSKI, JOSEPH T, HILL, BRIAN T, WEBER, MARK S, SACKMANN, DAVID J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING 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 control system for transferring messages between a programmable logic controller (21) and a host computer (25) over an Ethernet communications network (23) is disclosed. The messages include a routing address specifying an originating drop number and a destination drop number and a routing drop number. The system is responsive to the routing address for transferring the messages between the programmable logic controller (21) and the host computer (25).