ABB RELION REC615 Engineering Manual

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ABB RELION REC615 Engineering Manual Manual pdf 32 page image

an increased frequency to ensure the timeliness of its reception. The transmission thengradually tapers off to the original frequency with the new data.In GOOSE, data sending is based on data sets and GOOSE control blocks. The data setdefines what device data is used in GOOSE service and sent to local Ethernetsubnetwork in a GOOSE message. The GOOSE control block links the data set and itsattributes to actual data.Table 4:GOOSE control block attributesGoCB attribute DescriptionMulticast address A multicast addressing scheme is used when sending GOOSEmessages. A multicast address can be shared by several sendingdevices, or it can be device specific. To keep the multicast messagefiltering of the devices working it is recommended to use unique multicastaddresses.Ethernet frame-specificinformation (802.1 Qtagging info: APPID, priorityand VLAN id)APPID is a GoCB-specific integer value identifying the sender GoCB andits data. The APPID must be unique for the GoCB in the system. Thepriority can be used according to the local network priority scheme, butnormally the default value is sufficient. The VLAN group can be usedwhen configuring the Ethernet network topology Virtual LANs for routingand filtering multicast messages. Configuration is done in managedEthernet switches.GoCB name The name of the GoCB structure seen from the IEC 61850/MMS client.Some devices use this as a unique data reference.GoID A GOOSE control block specific string. The default value is the GoCBpath in the 61850 namespace if nothing is set. It is recommended toalways set a unique value in tool.Check the GOOSE Control block GoID name according to the systemrequirements of the receiving device. Although the protection relays useMAC address and APPID for receiving packet detection, some devicesrequire additionally that the GOOSE control block GoID is namedexplicitly.Data set definition Data sent in GOOSE messages to the network.ConfRev ConfRev increases when the referenced data set is modified. Both theGOOSE sender and the receiver must have the same ConfRev value.This ensures that the both devices have the same configuration level inthe substation configuration. ConfRev usage is done automatically bytools. If the latest system configuration is not downloaded to all requireddevices, the configuration revision may differ between the receiver andsender and data exchange does not work.5.3 Configuring GOOSE with the IEC 61850Configuration toolSee detailed descriptions of the steps in corresponding chapters.1. Add devices to a PCM600 project.2. Engineer the GOOSE connections between the devices.Section 5 1MRS757809 CGOOSE24 REC615 and RER615Engineering Guide