TABLE OF CONTENTSL30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL v4.2 Front panel interface .................................................................................... 4-154.2.1 Front panel display ............................................................................................................4-154.2.2 Front panel keypad............................................................................................................4-164.2.3 Menu navigation.................................................................................................................4-164.2.4 Menu hierarchy ...................................................................................................................4-164.2.5 Changing settings ..............................................................................................................4-174.2.6 Faceplate................................................................................................................................4-194.2.7 LED indicators ......................................................................................................................4-204.2.8 Custom LED labeling.........................................................................................................4-234.2.9 Breaker control....................................................................................................................4-284.2.10 Change passwords............................................................................................................4-294.2.11 Invalid password entry ....................................................................................................4-304.3 Logic diagrams............................................................................................... 4-314.4 FlexLogic design and monitoring using Engineer....................................4-324.4.1 Design logic...........................................................................................................................4-344.4.2 Send file to and from device .........................................................................................4-444.4.3 Monitor logic.........................................................................................................................4-454.4.4 View front panel and print labels................................................................................4-464.4.5 Generate connectivity report........................................................................................4-474.4.6 Preferences ...........................................................................................................................4-474.4.7 Toolbars ..................................................................................................................................4-515 SETTINGS 5.1 Settings menu .................................................................................................. 5-15.2 Overview ........................................................................................................... 5-45.2.1 Introduction to elements .................................................................................................. 5-45.2.2 Introduction to AC sources .............................................................................................. 5-55.3 Product setup ................................................................................................... 5-85.3.1 Security ..................................................................................................................................... 5-85.3.2 Display properties ..............................................................................................................5-265.3.3 Clear relay records.............................................................................................................5-285.3.4 Communications ................................................................................................................5-295.3.5 Modbus user map ..............................................................................................................5-935.3.6 Real-time clock....................................................................................................................5-945.3.7 Fault reports .........................................................................................................................5-985.3.8 Oscillography.....................................................................................................................5-1005.3.9 Data logger ........................................................................................................................5-1025.3.10 User-programmable LEDs ..........................................................................................5-1045.3.11 User-programmable self-tests .................................................................................5-1075.3.12 Control pushbuttons ...................................................................................................... 5-1075.3.13 User-programmable pushbuttons..........................................................................5-1095.3.14 Flex state parameters ...................................................................................................5-1145.3.15 User-definable displays................................................................................................5-1155.3.16 Installation ..........................................................................................................................5-1165.4 Remote resources........................................................................................5-1175.4.1 Remote resources configuration .............................................................................5-1175.5 System setup ................................................................................................5-1185.5.1 AC inputs .............................................................................................................................5-1185.5.2 Power system....................................................................................................................5-1195.5.3 Signal sources...................................................................................................................5-1205.5.4 87L power system...........................................................................................................5-1235.5.5 Breakers...............................................................................................................................5-1305.5.6 Disconnect switches ......................................................................................................5-1355.5.7 FlexCurves...........................................................................................................................5-1385.5.8 Phasor Measurement Unit ..........................................................................................5-145