4-24 D30 Line Distance Protection System GE Multilin4.3 FACEPLATE INTERFACE 4 HUMAN INTERFACES4c) FACEPLATE (USER KEY) CONTROLAfter the 30 minute interval during which command functions are permitted after a correct command password, the usercannot open or close a breaker via the keypad. The following discussions begin from the not-permitted state.d) CONTROL OF TWO BREAKERSFor the following example setup, the (Name) field represents the user-programmed variable name.For this application (setup shown below), the relay is connected and programmed for both breaker 1 and breaker 2. TheUSER 1 key performs the selection of which breaker is to be operated by the USER 2 and USER 3 keys. The USER 2 keyis used to manually close the breaker and the USER 3 key is used to manually open the breaker.e) CONTROL OF ONE BREAKERFor this application the relay is connected and programmed for breaker 1 only. Operation for this application is identical tothat described above for two breakers.4.3.7 MENUSa) NAVIGATIONPress the MENU key to select the desired header display page (top-level menu). The header title appears momentarily fol-lowed by a header display page menu item. Each press of the MENU key advances through the following main headingpages:• Actual values.• Settings.• Commands.• Targets.• User displays (when enabled).ENTER COMMANDPASSWORDThis message appears when the USER 1, USER 2, or USER 3 key is pressed and aCOMMAND PASSWORD is required; i.e. if COMMAND PASSWORD is enabled and no com-mands have been issued within the last 30 minutes.Press USER 1To Select BreakerThis message appears if the correct password is entered or if none is required. This mes-sage will be maintained for 30 seconds or until the USER 1 key is pressed again.BKR1-(Name) SELECTEDUSER 2=CLS/USER 3=OPThis message is displayed after the USER 1 key is pressed for the second time. Threepossible actions can be performed from this state within 30 seconds as per items (1), (2)and (3) below:(1)USER 2 OFF/ONTo Close BKR1-(Name)If the USER 2 key is pressed, this message appears for 20 seconds. If the USER 2 key ispressed again within that time, a signal is created that can be programmed to operate anoutput relay to close breaker 1.(2)USER 3 OFF/ONTo Open BKR1-(Name)If the USER 3 key is pressed, this message appears for 20 seconds. If the USER 3 key ispressed again within that time, a signal is created that can be programmed to operate anoutput relay to open breaker 1.(3)BKR2-(Name) SELECTEDUSER 2=CLS/USER 3=OPIf the USER 1 key is pressed at this step, this message appears showing that a differentbreaker is selected. Three possible actions can be performed from this state as per (1),(2) and (3). Repeatedly pressing the USER 1 key alternates between available breakers.Pressing keys other than USER 1, 2 or 3 at any time aborts the breaker control function.
