Each of the functions includes the blocking from the TESTMODE function block.The functions can also be blocked from sending events over IEC 61850 station bus toprevent filling station and SCADA databases with test events, for example during acommissioning or maintenance test.22.4 IED identifiers TERMINALID IP15060-1 v222.4.1 Functionality M15324-3 v6IED identifiers (TERMINALID) function allows the user to identify the individual IEDin the system, not only in the substation, but in a whole region or a country.Use only characters A-Z, a-z and 0-9 in station, object and unit names.22.4.2 Settings GUID-3C49A222-FFE4-492B-A96C-9E9965FA2CB4 v2PID-6801-SETTINGS v1Table 603:TERMINALID Non group settings (basic)Name Values (Range) Unit Step Default DescriptionStationName 0 - 18 - 1 Station name Station nameStationNumber 0 - 99999 - 1 0 Station numberObjectName 0 - 18 - 1 Object name Object nameObjectNumber 0 - 99999 - 1 0 Object numberUnitName 0 - 18 - 1 Unit name Unit nameUnitNumber 0 - 99999 - 1 0 Unit numberIEDMainFunType 0 - 255 - 1 0 IED main function type for IEC60870-5-103TechnicalKey 0 - 16 - 1 AA0B0Q0A0 Technical key (part 1)0 - 16 - 1 Technical key (part 2)0 - 16 - 1 Technical key (part 3)0 - 16 - 1 Technical key (part 4)1MRK 511 408-UUS A Section 22Basic IED functionsPhasor measurement unit RES670 2.2 ANSI 779Technical manual