Sel 421 - Figure 2.29 4 U Rear Panel, Main Board A, Without Optional I;O; Figure 2.30 4 U Rear Panel, Main Board A, INT5 I;O Interface Board; Figure 2.31 4 U Rear Panel, Main Board B, INT8 I;O Interface Board

Table 2.3 I/O Interface Boards Control Inputs76

Table 2.4 I/O Interface Boards Control Outputs77

The SEL-421-0 and the SEL-421-1 Do Not Support Main Board B I/O and INT2, INT3, INT7, and INT8 I/O Interface Boards. See SEL-42177

Versions and Supported Features on Page77

Figure 2.18 Chassis Key Positions for I/O Interface Boards78

Main Board a a80

Table 2.580

Figure 2.19 Major Component Locations on the SEL-421 Main Board a (or B)81

Table 2.683

Table 2.6 Main Board Jumpers-JMP1, JMP2, and JMP383

Figure 2.21 Major Component Locations on the SEL-421 INT1 (or INT2) I/O Board85

Figure 2.22 Major Component Locations on the SEL-421 INT3 I/O Board86

Figure 2.23 Major Component Locations on the SEL-421 INT4 I/O Board87

Figure 2.24 Major Component Locations on the SEL-421 INT5 (or INT8) I/O Board88

Figure 2.25 Major Component Locations on the SEL-421 INT6 (or INT7) I/O Board89

Table 2.7 I/O Board Jumpers90

Table 2.10 Front-Panel LED Option91

Table 2.8 Jumper Positions for Breaker OPEN/CLOSE Indication91

Table 2.9 Jumper Positions for Arc Suppression91

Figure 2.26 SEL-421 Chassis Dimensions93

Figure 2.27 3U Rear Panel, Main Board a94

Figure 2.28 3U Rear Panel, Main Board A, Connectorized94

Figure 2.29 4U Rear Panel, Main Board A, Without Optional I/O95

Figure 2.30 4U Rear Panel, Main Board A, INT5 I/O Interface Board95

Figure 2.31 4U Rear Panel, Main Board B, INT8 I/O Interface Board95

Figure 2.32 5U Rear Panel, Main Board B, INT3 and INT1 I/O Interface Board96

Figure 2.33 5U Rear Panel, Main Board A, INT4 and INT1 I/O Interface Board96

Figure 2.34 5U Rear Panel, Main Board A, INT6 and INT4 I/O Interface Board97

Figure 2.35 5U Rear Panel, Main Board B, INT2 and INT7 I/O Interface Board97

Figure 2.36 Rear-Panel Symbols98

Figure 2.37 Screw Terminal Connector Keying99

Figure 2.38 Rear-Panel Receptacle Keying, SEL-421100

Table 2.11 Fuse Requirements for the SEL-421 Power Supply101

Figure 2.39 PS30 Power Supply Fuse Location103

Figure 2.40 Control Output OUT108106

Figure 2.41 SEL-421 to Computer-D-Subminiature 9-Pin Connector109

Figure 2.42 Example Ethernet Panel with Fiber-Optic Ports110

Figure 2.43 Two 10/100BASE-T Port Configuration111

Figure 2.44 100BASE-FX and 10/100BASE-T Port Configuration111

Figure 2.45 Two 100BASE-FX Port Configuration111

Figure 2.46 Typical External AC/DC Connections-Single Circuit Breaker113

Figure 2.47 Typical External AC/DC Connections-Dual Circuit Breaker114

Figure 2.48 SEL-421 Example Wiring Diagram Using the Auxiliary {TRIP}/{CLOSE} Pushbuttons115

Figure 3.1 SEL Software License Agreement (Sample)119

Figure 3.4 AC SEL ERATOR Quickset Network Parameters Dialog Box: FTP121

Figure 3.5 AC SEL ERATOR Quickset Network Parameters Dialog Box: Telnet121

Figure 3.7 Database Manager Copy/Move in AC SEL ERATOR Quickset123

Figure 3.9 HMI Driver Version Number in the HMI Window125

Figure 3.15 Retrieving the Relay Part Number129

Figure 3.17 Location of the Expression Builder Option Buttons131

Figure 3.19 Retrieving Relay Event History132

Figure 3.21 Sample Event Oscillogram134

Figure 3.22 Retrieving Event Report Waveforms134

Figure 3.23 Sample Phasors Event Waveform Screen134

Figure 3.24 Sample Harmonic Analysis Event Waveform Screen135

Figure 3.25 Sample Event Report Summary Screen136

Figure 3.26 Sample Event Waveform Settings Screen136

Figure 4.1 SEL-421 Serial Number Label140

Figure 4.2 Power Connection Area of the Rear Panel141

Table 4.1 Power Supply Voltage Inputs141

Figure 4.3 PORT F, LCD Display, and Navigation Pushbuttons142

Figure 4.4 Report Header144

Table 4.2 General Serial Port Settings144

Figure 4.5 Access Level Structure145

Table 4.3 SEL-421 Access Levels145

Table 4.4 Access Level Commands and Passwords145

Figure 4.6 Relay Status151

Figure 4.9 Checking Relay Status: Front-Panel LCD151

Figure 4.10 Relay Settings Structure Overview152

Table 4.5 Settings Classes and Instances153

Figure 4.11 Components of SET Commands154

Table 4.6 Actions at Settings Prompts154

Figure 4.12 Initial Global Settings155

Table 4.7 Actions at Text-Edit Mode Prompts157

Figure 4.13 Using Text-Edit Mode Line Editing to Set Display Points159

Figure 4.14 Using Text-Edit Mode Line Editing to Delete a Display Point160

Figure 4.15 Default Alias Settings161

Figure 4.16 Using Text-Edit Mode Line Editing to Set Aliases162

Figure 4.17 Using Text-Edit Mode Line Editing to Set Protection Logic163

Figure 4.19 AC SEL ERATOR Quickset Global Settings Window165

Figure 4.20 Uploading Global Settings to the SEL-421166

Figure 4.21 DATE and TIME Settings: Front-Panel LCD167

Figure 4.22 SETTINGS Menus170

Figure 4.23 Setting ESS: Terminal171

Figure 4.24 Setting CTRW and PTRY: Terminal172

Figure 4.26 Test Connections Using Two Current Sources for Three-Phase Faults and METER Test174

Figure 4.27 Terminal Screen MET Metering Quantities175

Figure 4.28 Global Alternate Source Selection Settings in AC SEL ERATOR Quickset176

Figure 4.32 Front-Panel Screens for METER179

Figure 4.36 Relay Event History Dialog Box183

Figure 4.37 Sample HIS Command Output: Terminal184

Figure 4.38 EVENTS Folder Files185

Figure 4.41 Sample Event Oscillogram187

Figure 4.42 Selecting SER Points and Aliases Settings: AC SEL ERATOR Quickset190

Figure 4.43 SER Points and Aliases Settings: AC SEL ERATOR Quickset190

Figure 4.44 Uploading Report Settings to the SEL-421191

Figure 4.46 SER Records in the AC SEL ERATOR Quickset HMI192

Figure 4.47 Setting an SER Element: Terminal193

Figure 4.48 Reports File Structure194

Figure 4.49 Terminal Display for PULSE Command195

Figure 4.50 Front-Panel Menus for Pulsing OUT104196

Figure 4.51 Password Entry Screen197

Figure 4.53 Setting Control Output OUT105: Terminal199

Figure 4.55 Assigning an Additional Close Output: AC SEL ERATOR Quickset202

Figure 4.56 Uploading Output Settings to the SEL-421203

Table 4.8 Control Inputs in the SEL-421203

Figure 4.57 Setting 52AA1: Terminal205

Figure 4.58 Accessing Global Enable Setting EICIS in AC SEL ERATOR Quickset206

Figure 4.61 Setting BK1TYP in AC SEL ERATOR Quickset208

Figure 4.62 Uploading Global and Breaker Monitor Settings to the SEL-421209

Table 4.9 SEL-421 Timekeeping Modes209

Figure 4.63 TIME BNC Connector, New Hardware212

Figure 4.64 TIME BNC Connectors, Old Hardware212

Figure 4.65 Retrofit Sticker212

Figure 4.66 Confirming the High-Accuracy Timekeeping Relay Word Bits212

Figure 4.67 Results of the TIME Q Command213

Table 4.10 Date/Time Last Update Sources214

Table 4.11 Communications Port Commands that Clear Relay Buffers218

Figure 5.1 SEL-421 Front Panel (8 Pushbutton Model)220

Figure 5.2 SEL-421 Front Panel (12 Pushbutton Model)220

Figure 5.3 LCD Display and Navigation Pushbuttons221

Figure 5.4 RELAY ELEMENTS Highlighted in MAIN MENU222

Table 5.1 Front-Panel Inactivity Time-Out Setting222

Table 5.2 Metering Screens Enable Settings223

Figure 5.5 Sample ROTATING DISPLAY224

Figure 5.6 Sample Alarm Points Screen225

Table 5.3 SER Point Settings226

Figure 5.10 Alarm Points Data Loss Screen227

Figure 5.7 Deasserted Alarm Point227

Figure 5.8 Clear Alarm Point Confirmation Screen227

Figure 5.9 no Alarm Points Screen227

Figure 5.11 Sample Display Points Screen228

Table 5.4 Display Point Settings-Boolean229

Table 5.5 Display Point Settings-Analog229

Table 5.6 Display Point Settings-Boolean and Analog Examples229

Figure 5.12 Fast Meter Display Points Sample Screen231

Figure 5.13 Contrast Adjustment232

Figure 5.14 Enter Password Screen232

Figure 5.15 Invalid Password Screen233

Figure 5.18 METER SUBMENU234

Figure 5.22 SER Events Screen237

Figure 5.23 no SER Events Screen238

Table 5.7 Front-Panel Pushbutton Functions While Viewing SER Events238

Figure 5.25 RELAY ELEMENTS Screen239

Figure 5.26 ELEMENT SEARCH Screen240

Figure 5.27 LOCAL CONTROL Initial Menu241

Figure 5.29 LOCAL CONTROL Example Menus243

Table 5.8 Local Bit Control Settings244

Table 5.9 Local Bit SEL OGIC244

Figure 5.30 Local Bit Supervision Logic245

Figure 5.31 OUTPUT TESTING Screen246

Table 5.10 Settings Available from the Front Panel246

Figure 5.34 Changing the ACTIVE GROUP249

Figure 5.35 DATE/TIME Screen249

Figure 5.40 RESET ACCESS LEVEL Screen252

Figure 5.41 Sample Status Warning, Alarm Point Assertion, and Trip EVENT SUMMARY253

Figure 5.42 Sample Status Warning in the LCD Message Area253

Figure 5.43 Factory Default Front-Panel Target Areas (16 or 24 Leds)254

Table 5.11 Front-Panel Target Leds255

Table 5.12 TIME Target LED Trigger Elements-Factory Defaults256

Figure 5.44 Operator Control Pushbuttons and Leds (8 or 12 Pushbuttons)258

Table 5.13 Operator Control Pushbuttons and Leds-Factory Defaults259

Figure 5.45 Factory Default Operator Control Pushbuttons261

Table 6.1 Acceptance Testing263

Table 6.2 Commissioning Testing264

Table 6.3 Maintenance Testing265

Figure 6.1 Low-Level Test Interface269

Table 6.4 UUT Database Entries for SEL-5401 Relay Test System Software-5 a Relay269

Table 6.5 UUT Database Entries for SEL-5401 Relay Test System Software-1 a Relay270

Figure 6.2 Test Connections Using Three Voltage and Three Current Sources271

Figure 6.3 Test Connections Using Two Current Sources for Phase-To-Phase, Phase-To-Ground, and Two-Phase-To-Ground Faults272

Figure 6.4 Test Connections Using Two Current Sources for Three-Phase Faults273

Figure 6.5 Test Connections Using a Single Current Source for a Phase-To-Ground Fault274

Figure 6.6 Test Connections Using a Single Current Source for a Phase-To-Phase Fault275

Figure 6.7 Sample Targets Display on a Serial Terminal276

Table 6.6 Phase Instantaneous Overcurrent Pickup276

Sel 421 - Figure 2.29 4 U Rear Panel, Main Board A, Without Optional I;O; Figure 2.30 4 U Rear Panel, Main Board A, INT5 I;O Interface Board; Figure 2.31 4 U Rear Panel, Main Board B, INT8 I;O Interface Board

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