ABB rec670 Commissioning Manual

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Contents

ABB rec670 Commissioning Manual Manual pdf 67 page image

Section 7 Establishing connection and verifying theLON communication7.1 Communication via the rear ports7.1.1 LON communicationLON communication is normally used in substation automation systems. Optical fiberis used within the substation as the physical communication link.The test can only be carried out when the whole communication system is installed.Thus, the test is a system test and is not dealt with here.Control CenterIED IEDIEDGatewayStar couplerRER 111Station HSIMicroSCADAIEC05000663-1-en.vsdIEC05000663 V2 ENFigure 9: Example of LON communication structure for a substationautomation systemAn optical network can be used within the substation automation system. This enablescommunication with the IEDs through the LON bus from the operator’s workplace,from the control center and also from other IEDs via bay-to-bay horizontalcommunication.1MRK 511 360-UEN A Section 7Establishing connection and verifying the LON communicationBay control REC670 2.1 IEC 61Commissioning manual