IEC-61850 IEC-61850 Client Communication Protocol

1 IEC-61850 IEC-61850 Client Communication Protocol Version Reference Manual December 2018 1 IEC-61850 Client Communication Protocol Version Reference Manual December 2018 2 Table of Contents 1. GENERAL INFORMATION4 Summary4 Migration4 The IEC 61850 Standard5 Communication Module8 Communication Library8 Integration Library11 Operation14 2. CHANNEL SETTINGS14 Protocol Options14 Interfaces1 4 Initial State1 4 3. NODES SETTINGS14 Primary Station15 Secondary Station (Backup Station)17 4. POINTS SETTINGS17 Point Types18 Binary output (BO)19 DataSet (DS) (DS1) (DS2) (DS3) (DS4)19 Report (BR) (RP)20 Report Flags (BRF) (RPF)20 Point Address20 Access Type22 AccessType Read23 AccessType Write2 3 5. BROWSER24 General24 Data Sources25 Remote IED Connection25 Reading SCL files25 Data Objects25 DataSets26 Reports27 Report Attribute Window27 6.

2 COMTRADE FILES28 General information28 Reading and Recording29 3 7. DIAGNOSIS OF Communication PROBLEMS29 Logs of Operations (LOG)29 SCADA Trace Window29 Windows Event30 Text File30 Codes of Errors and Qualities30 Command Errors (CO)30 Quality32 INFORMATION Communication Driver Name : IEC 61850 Client Communication Protocol Current Version : Implementation DLL : Protocol : IEC-61850 Client Communication Protocol - Edition 2 Interface : TCP/IP Description : IEC861850 Scada Client implements the part of the standard IEC61850 responsible for ACSI core services, as defined in part of IEC861850 standard. It uses encapsulation of the ISO/OSI transport layer into the TCP/IP transport layer. It communicates with IEDs (Intelligent Electronic Devices), RTUs (Remote Terminal Units) and IO devices that support this Protocol , acting as the Client workstation.

3 Protocol Options : Timers for Protocol control messages Max number of nodes : User defined PC Hardware requirements : Standard PC Ethernet interface board Note :Thiscommunicationmodulewasrewrittenforv ersion ,andusesalibrary proceduresofchannels, migration of projects that were already using the module from the previous version. Scadausersofcommunicationmodule-Issue1ne edtoupdatethechannelregistration, nodes, issue. Excel worksheet. all points referring to the nodes of Project Communication Module 61850. the names of the project nodes and channels to the notebook. all nodes. 4 all channels. channel according to session 2 - CHANNEL CONFIG Does not allow copy and paste. accordingtosession3-CONFIGURINGUS(NODECO NFIG) Doesnotallowcopyand paste.

4 The point definitions previously copied in step 1. , pointmistakesoccur,theywillberecordedint heLog( Logsof operations(LOG))andcheckhowtocorrectthem insession4- CONFIGURATION OF POINTS (POINTS CONFIG ). IEC 61850 Standard Thissectionaimstobrieflypresentsomeinfor mationonthestandardIEC61850,which directly interferes in the definition and implementation of this Communication module. Formoredetailsandaformaldescription,refe rtothestandard stextsordocumentationof the server IEDs. The standard is divided into ten parts, listed below. Chapter Description and Overview Requirements and Project Management Requirements for Device Functions and Models IEDs Communication Structures for Substations and Feeders: Principles and Models Communication Structures for Substations and Feeders: Communication Structures for Substations and Feeders: Common Data Class :ClassesofLogicNodes and Compatible Data for MMS (ISO/IEC 9506-1 and ISO/IEC 9506-2) and for ISO/IEC8802-3 Values on One-way Multidrop Point-to-point Values for ISO/IEC8802-3 10 Conformity Tests Asregardsthesupportfordatacommunicationb etweencomputersandIEDs,as established by the standard, the types of messages defined are listed below.

5 Message Description 5 GOOSEG enericObjectOrientedSubstation-Multicast -typemessagesthatload performance of any protection or digital signal. MMSM anufacturingMessageSpecification -Unicast-typemessagesthatareusedto exchangeanalogordigital(state)measuremen tdatatoindicatethestateoftheequipment and process. Oneofthegreatadvantagesintroducedbythest andardindefiningitsdatacommunication protocolisthefactthattheinternalpointsto anIEDdonotuse numbersforaddresses ,as inotherprotocols,but object, anditsnames and formats are standardized by the norm. InternallytotheIEC61850 IEDsthereisamapofthe objects ,arrangedinahierarchical (forexample,SCADA)andtheserver(for example,adigital-IEDrelay),theseobjectna mes(atleastwhencommunicationisinitially established) travel in the Protocol messages.

6 Inordertohaveageneralideaof theseobject snames,thenextsectionbrieflypresentsthe structure of the address map hierarchy of the IEC61850. LD-LogicalDevices -Thesearelogicaldeviceswithinthisphysica lserver,whichworkas functioncontainers(LogicalNodes)orevenas gatewaysbetweendifferentLDLNs. Generally,IEDinternalnamesareusedinthein itialpartofthename(prefixes)andsuffixes that indicate the main function of the LD. Examples of suffixes are CTRL, MEAS, etc. LN-LogicalNodes-Objectsthatimplementthew ell-definedbasicfunctionswithinthe , datasets,Reportdefinitions,Logs,paramete rgroups,andservicesthatimplementobjects ,adisconnectswitch,itsstate,itscontrol,h asthename Q0 CSWI1. TheLNinthiscaseistheCSWI Switchcontroller.

7 OtherexamplesofLNs wouldbethosethatperformmeasurementfuncti ons(MMXU),voltagetransformer(TVTR), overcurrentprotection(PTOC),thermalprote ction(PTTR).AcompletelistofLNsforusein substation IEDs and the rules for forming their names are given in IEC61850-Part 5. FC-FunctionalConstraints -ThefunctiondefinedbytheLNwillcontainsev eralobjects CO that 6 willcontaincommandobjects, ST thatwillcontaindigitalsignalingobjects, RP for report-typeobjects,and MX found in the original table. ST Status information MX Measurements (analog values) CO Control DataAttribute will be operated (control model) and read SP Setpoint DataAttribute will represent a set-point; value may be controlled and read SV Substitution DataAttribute will represent a substitution CF Configuration DataAttribute will represent a configuration DC Description DataAttribute will represent a description SG Setting group logical devices that implement the SGCB class SE Setting group EX Extended definition BR Buffered report RP Unbuffered report LG Logging Attribute will represent a log control GO Goose control GS Gsse control Attribute will represent a goose control MS Multicast sampled value control US Unicast sampled value control DO-Dataobjects -DataObjectsareobjectswithstandardnamest hatcontainthe ,suchasthe Pos object,whichprovides A objects,which.

8 Eachofwhich containingChildDataAttributeswiththecurr entinformationabouteachphaseanda Data Object. Examples of DataObjects are: Beh - Behavior of LN Health - State of the logical node related to HW and SW. Loc - Switchover between local and remote operation Mod - Mode and behavior: On, Blocked, Test, Test/Blocked, Off Pos - Switch position A - Current neut - Phase neutral phsA, phsB, PhsC - Phases A, B and C Hz - Frequency 7 PPV - Phase to phase voltages PhV - Phase to ground voltages for Phases 1, 2, and 3, including Angle DA-DataAttributes-Eachobjecthierarchical lybelowaDataObjectoranotherData Attribute, in the case of ctlNum or a phase of the stream as phsC. Examples: In the case of Pos you can see four Data Attributes: stVal - Containing the state of the circuit breaker q - The quality of the data t - Sampling timestamp ctlNum - Data object status change sequence number Inthecaseofthecurrent pshC, besidesbeingaDataAttributeitself,italsoc ontainsfour Data Attributes below it: cVal - The current measurement instCval - The instantaneous measure of the current at the last acquisition q - The quality of the data t - Sampling timestamp.

9 Fortheenduser, thewayservices areused know howtosetuptheuser-friendlyconfigurationi nterfacesforrunningthe IEC61850 SCADA Client . Module Thecommunicationmoduleconsistsoftwolibra riesthatworktogether: Communication and Integration. Library ThecommunicationlibraryisdevelopedintheC ++programminglanguageandis responsibleforthecommunicationbetweenthe CommunicationModuleandthe equipment. It is designed according to edition 2 of the IEC 61850 standard series. objects The following table provides an overview of supported IEC 61850 objects. IEC 61850 Objects MMS Object SERVER class Virtual Manufacturing Device (VMD) LOGICAL DEVICE class Domain LOGICAL NODE class Named Variable DATA class Named Variable DATA-SET class Named Variable List SETTING-GROUP-CONTROL-BLOCK class Named Variable REPORT-CONTROL-BLOCK class Named Variable LOG class Journal LOG-CONTROL-BLOCK class Named Variable 8 GOOSE-CONTROL-BLOCK class Named Variable GSSE-CONTROL-BLOCK class Named Variable CONTROL class Named Variable Files Files services Thefollowingtableprovidesanoverviewofsup portedIEC61850 AbstractCommunication Service Interface (ACSI) services.

10 IEC 61850 Model IEC 61850 Services AA: TP/MC Client Server Server S1 ServerDirectory TP Application association S2 Associate TP S3 Abort TP S4 Release TP Logical device S5 LogicalDeviceDirectory TP Logical node S6 LogicalNodeDirectory TP S7 GetAllDataValues TP Data S8 GetDataValues TP S9 SetDataValues TP S10 GetDataDirectory TP S11 GetDataDefinition TP Data set S12 GetDataSetValues TP S13 SetDataSetValues TP S14 CreateDataSet TP S15 DeleteDataSet TP S16 GetDataSetDirectory TP Substitution S17 SetDataValues TP Setting group control block S18 SelectActiveSG TP S19 SelectEditSG TP S20 SetSGValues TP S21 ConfirmEditSGValues TP S22 GetSGValues TP S23 GetSGCBV alues TP Buffered report control block (BRCB) S24 Report TP S24-1 data-change (dchg)