21.12.1.1 IEC 61850 protocol test mode GUID-82998715-6F23-4CAF-92E4-05E1A863CF33 v5The function block TESTMODE has implemented the extended testing mode capabilities forIEC 61850 Ed2 systems. Operator commands sent to the function block TESTMODE determinethe behavior of the functions. The command can be given remotely from an IEC 61850 client orfrom the LHMI under the Main menu/Test/Function test modes/Communication/StationCommunication/IEC61850 LD0 LLN0/LD0LLN0:1. The possible values of the function blockTESTMODE are described inCommunication protocol manual, IEC 61850 Edition 1 andEdition2.There is no setting in PCM600 via PST for the TESTMODE function block.To be able to set the function block TESTMODE remotely, the setting via pathon LHMI and in PST: Main menu/Configuration/Communication/ StationCommunication/IEC61850-8-1/IEC61850-8-1:1RemoteModControl may not beset toOff. The possible values of the parameterRemoteModControl areOff,Maintenance orAll levels. TheOff value denies all access to function blockTESTMODE from remote,Maintenance requires that the category of theoriginator (orCat) isMaintenance andAll levels allow any orCat.The DataObject Mod of the Root LD.LNN0 can be set on the LHMI under Main menu/Test/Function test modes/Communication/Station communication/IEC61850 LD0 LLN0/LD0LLN0:1 toOn,Off,TestBlocked,Test orBlocked.When the setting of the DataObject Mod is changed at this level, all Logical Nodes inside thelogical device update their own behavior according to IEC61850-7-4. The supported values ofthe function block TESTMODE are described inCommunication protocol manual, IEC 61850Edition 2. When the function block TESTMODE is in test mode the Start LED on the LHMI isturned on with steady light.The parameterMod of any specific function block can be configured under Main menu/Test/Function test modes/Communication/Station CommunicationThe parameter Mod can be set on the LHMI to the same values as for the DataObject Mod ofthe Root LD.LNN0 toOn,Off,TestBlocked,Test orBlocked. For Example, Main menu/ Test/Function test modes/ Differential protection/GeneratorDiff(87G,3Id/I>)/ GENPDIF(87G,3Id/I>):1.It is possible that the behavior of the function block TESTMODE is also influenced by othersources as well, independent of the mode communicated via the IEC61850-8-1 station bus. Forexample the insertion of the test handle into the test switch with its auxiliary contact isconnected to a BI on the IED and further inside the configuration to the input IED_TEST on thefunction block TESTMODE. Another example is when loss of Service Values appears, or asexplained above the setting via the LHMI.When setting via PST or LHMI the parameterOperation of any function in an IED is set toOff,the function is not executed and the behavior (beh) is set toOff and it is not possible tooverride it. When a behavior of a function isOff the function will not execute. The relatedModkeeps its current state.When IEC 61850 Mod of a function is set toOff orBlocked, the Start LED on theLHMI will be set to flashing to indicate the abnormal operation of the IED.The IEC 61850-7-4 gives a detailed overview over all aspects of the test mode and other statesof mode and behavior. The status of a function block behaviorBeh is shown on the LHMI underSection 21 1MRK 511 358-UEN ABasic IED functions452Application manual
