Sel 421 - Page 26

xxiv
SEL-421 Relay Date Code 20090715
List of Figures
Figure 5.14 Enter Password Screen ..................................................................................................... U.5.14
Figure 5.15 Invalid Password Screen................................................................................................... U.5.15
Figure 5.16 MAIN MENU .................................................................................................................. U.5.15
Figure 5.17 METER MENU Screens .................................................................................................. U.5.16
Figure 5.18 METER SUBMENU........................................................................................................ U.5.16
Figure 5.19 RMS, FUND, and DEMAND Metering Screens ............................................................. U.5.17
Figure 5.20 ENERGY, MAX/MIN, and SYNCH CHECK Metering Screens.................................... U.5.18
Figure 5.21 EVENT SUMMARY Screens.......................................................................................... U.5.19
Figure 5.22 SER Events Screen........................................................................................................... U.5.19
Figure 5.23 No SER Events Screen ..................................................................................................... U.5.20
Figure 5.24 BREAKER MONITOR Report Screens .......................................................................... U.5.21
Figure 5.25 RELAY ELEMENTS Screen ........................................................................................... U.5.21
Figure 5.26 ELEMENT SEARCH Screen........................................................................................... U.5.22
Figure 5.27 LOCAL CONTROL Initial Menu.................................................................................... U.5.23
Figure 5.28 BREAKER CONTROL Screens ...................................................................................... U.5.24
Figure 5.29 LOCAL CONTROL Example Menus.............................................................................. U.5.25
Figure 5.30 Local Bit Supervision Logic ............................................................................................ U.5.27
Figure 5.31 OUTPUT TESTING Screen............................................................................................. U.5.28
Figure 5.32 SET/SHOW Screens......................................................................................................... U.5.29
Figure 5.33 Sample Settings Input Screens ......................................................................................... U.5.30
Figure 5.34 Changing the ACTIVE GROUP....................................................................................... U.5.31
Figure 5.35 DATE/TIME Screen......................................................................................................... U.5.31
Figure 5.36 Edit DATE and Edit TIME Screens ................................................................................. U.5.32
Figure 5.37 Relay STATUS Screens.................................................................................................... U.5.32
Figure 5.38 VIEW CONFIGURATION Sample Screens.................................................................... U.5.33
Figure 5.39 DISPLAY TEST Screens ................................................................................................. U.5.34
Figure 5.40 RESET ACCESS LEVEL Screen .................................................................................... U.5.34
Figure 5.41 Sample Status Warning, Alarm Point Assertion, and Trip EVENT SUMMARY
Screens.......................................................................................................................... U.5.35
Figure 5.42 Sample Status Warning in the LCD Message Area.......................................................... U.5.35
Figure 5.43 Factory Default Front-Panel Target Areas (16 or 24 LEDs) ............................................ U.5.36
Figure 5.44 Operator Control Pushbuttons and LEDs (8 or 12 Pushbuttons) ..................................... U.5.40
Figure 5.45 Factory Default Operator Control Pushbuttons................................................................ U.5.43
Figure 6.1 Low-Level Test Interface.................................................................................................... U.6.7
Figure 6.2 Test Connections Using Three Voltage and Three Current Sources .................................. U.6.9
Figure 6.3 Test Connections Using Two Current Sources for Phase-to-Phase,
Phase-to-Ground, and Two-Phase-to-Ground Faults.................................................... U.6.10
Figure 6.4 Test Connections Using Two Current Sources for Three-Phase Faults ........................... U.6.11
Figure 6.5 Test Connections Using a Single Current Source for a Phase-to-Ground Fault .............. U.6.12
Figure 6.6 Test Connections Using a Single Current Source for a Phase-to-Phase Fault ................ U.6.13
Figure 6.7 Sample Targets Display on a Serial Terminal .................................................................. U.6.14
Figure 6.8 Viewing Relay Word Bits From the Front-Panel LCD .................................................... U.6.16
Figure 6.9 Setting Pushbutton LED Response:
ACSELERATOR QuickSet ........................................ U.6.17
Figure 6.10 Uploading Front-Panel Settings to the SEL-421.............................................................. U.6.18
Figure 6.11 Setting Main Board Outputs:
ACSELERATOR QuickSet .................................................. U.6.19
Figure 6.12 Uploading Output Settings to the SEL-421...................................................................... U.6.20
Figure 6.13 Checking the 51S1 Overcurrent Element:
ACSELERATOR QuickSet .............................. U.6.22
Figure 6.14 Setting SER Points and Aliases:
ACSELERATOR QuickSet ............................................. U.6.22
Figure 6.15 Uploading Group 1 and Report Settings to SEL-421....................................................... U.6.23
Figure 6.16 HMI Tree View:
ACSELERATOR QuickSet ...................................................................... U.6.24
Figure 6.17 SER Report:
ACSELERATOR QuickSet HMI.................................................................... U.6.24
Figure 6.18 Negative-Sequence Instantaneous Overcurrent Element Settings:
ACSELERATOR QuickSet .............................................................................................. U.6.27
Figure 6.19 Uploading Group 1 Settings to the SEL-421 ................................................................... U.6.27
Figure 6.20 ELEMENT SEARCH Screen........................................................................................... U.6.28
Figure 6.21 RELAY ELEMENTS Screen Containing Element 50Q1 ................................................ U.6.28
Figure 6.22 Group 1 Relay Configuration Settings:
ACSELERATOR QuickSet................................... U.6.30
Figure 6.23 Breaker 1 Breaker Monitor Settings:
ACSELERATOR QuickSet ...................................... U.6.31
Courtesy of NationalSwitchgear.com