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Table of Contents

Default Chapter3
- Table of Contents3
Appendix A: Firmware and Manual Versions10
- Firmware10
  - Overview13
  - Overview16
- Specifications27
Section 1: Introduction and Specifications28
- Models, Options, and Accessories28
- Applications30
- Figure 1.1 Response Header31
- Figure 1.2 STA Command Response-No Devicenet Communications Card or EIA-232/EIA-485 Communications Card32
- Table 1.1 SEL-787 Serial Port Settings32
- Figure 1.3 STA Command Response-With Devicenet Communications Card33
Appendix B: Firmware Upgrade Instructions41
- Overview41
Section 2: Installation42
- Figure 2.1 Relay Panel-Mount Dimensions42
- I/O Configuration42
- Figure 2.2 Slot Allocations for Different Cards43
- Table 2.1 Power Supply Card Inputs Terminal Designation44
- Table 2.2 Communication Ports44
- Table 2.3 Communication Card Interfaces and Connectors45
- Table 2.4 6 ACI Current Card Inputs Terminal Designation46
- Table 2.5 1 ACI/3 AVI or 1 ACI Current/Voltage Card Inputs Terminal Designation47
- Table 2.6 Four Analog Input/Four Analog Output (4 AI/4 AO) Card Terminal Allocation47
- Table 2.7 I/O (3 DI/4 DO/1 AO) Card Terminal Allocation48
- Table 2.8 RTD (10 RTD) Card Terminal Allocation48
- Table 2.10 Eight Digital Input (8 DI) Card Terminal Allocation49
- Table 2.9 Four Digital Input/Four Digital Output (4 DI/4 DO) Card Terminal Allocation49
- Table 2.11 Four Digital Inputs, One Form-B Digital Output, Two Form-C Digital Outputs (4 DI/3DO) Card Terminal Allocation50
- Figure 2.3 Circuit Board of Analog I/O Board, Showing Jumper Selection53
- Figure 2.4 JMP1 through JMP4 Locations on 4 AI/4 AO Board54
- Figure 2.5 Current Output Jumpers55
- Figure 2.6 Voltage Output Jumpers55
- Figure 2.7 Pins for Password Jumper, Breaker Control Jumper, and SEL BOOT Jumper55
- Table 2.12 Jumper Functions and Default Positions56
- Figure 2.8 Rear-Panel Connections of Selected Cards57
- Figure 2.10 Single Copper Ethernet, 8 DI, RTD, and 4 AI/4 AO Option58
- Figure 2.9 Dual-Fiber, Ethernet, EIA-232 Communication, 3 DI/4 DO/1 AO, and Current/Voltage (1 ACI/3 AVI) Option58
- Rear-Panel Connections58
- Figure 2.11 Devicenet, Fast Hybrid 4 DI/4 DO, and Current/Voltage Option59
- Figure 2.12 Control I/O Connections-4 AI/4 AO Option in Slot D and Fiber-Optic Port in Slot B60
- Figure 2.13 Control I/O Connections-Internal RTD Option61
- Figure 2.14 Analog Output Wiring Example61
- Table 2.13 Typical Maximum RTD Lead Length61
- AC/DC Control Connection Diagrams62
- Figure 2.15 Output OUT103 Relay Output Contact Configuration62
- Figure 2.16 OUT103 Contact Fail-Safe and Nonfail-Safe Options62
- Figure 2.17 Single-Phase Voltage Connections63
- Figure 2.18 Voltage Connections64
- Figure 2.19 Typical Current Connections65
- Figure 2.20 SEL-787 Provides Basic Two-Winding Transformer Differential Protection66
- Figure 2.21 SEL-787 Provides Two-Winding Transformer Differential Protection with REF (Restricted Earth Fault) Protection67
- Figure 2.22 SEL-787 Provides Two-Winding Transformer Differential Protection with REF and Voltage-Based Protection68
- Figure 2.23 SEL-787 Provides Autotransformer Differential Protection, Including REF Protection69
- Figure 2.24 Example DC Connections70
- Field Serviceability71
- Overview73
- Table 3.1 SEL Software Solutions73
Section 3: PC Software74
- Figure 3.1 Serial Port Communication Dialog Box74
- Setup74
- Figure 3.2 Serial Port Communication Parameters Dialog Box75
- Figure 3.3 Network Communication Parameters Dialog Box75
- Figure 3.4 Tools Menu76
- Figure 3.5 Device Response to the ID Command76
- Terminal76
- Settings Database Management and Drivers77
- Settings78
- Figure 3.6 Selection of Drivers79
- Figure 3.7 Update Part Number79
- Table 3.3 File/Tools Menus79
- Figure 3.8 New Setting Screen80
- Figure 3.9 Expressions Created with Expression Builder81
- Event Analysis82
- Figure 3.10 Composite Screens for Retrieving Events82
- Figure 3.11 Saving the Retrieved Event83
- Figure 3.12 Device Overview Screen84
- Meter and Control84
- Figure 3.13 Control Screen85
- Figure 3.14 Remote Operation Selection86
- Overview87
Section 4: Protection and Logic Functions88
- Application Data88
- Table 4.1 Identifier Settings88
- Table 4.2 Configurations and Ratings (Phase Cts, Power Transformer)89
- Table 4.3 Configurations and Ratings (Optional Neutral CT, Phase PT)90
- Basic Protection91
- Figure 4.1 Percentage Restraint Differential Characteristic92
- Figure 4.2 Winding 1 Compensated Currents93
- Figure 4.3 Differential Element (87-1) Quantities94
- Figure 4.4 Differential Element Decision Logic95
- Figure 4.5 Differential Element Harmonic Blocking Logic96
- Figure 4.6 Differential Current Alarm Logic Diagram97
- Table 4.4 Differential Element Settings99
- Figure 4.7 Winding Connections, Phase Shifts, and Compensation Direction103
- Figure 4.8 Example 1 for Wnctc Selection105
- Figure 4.9 Example 2 for Wnctc Selection107
- Table 4.5 Preferred Compensation Settings (W1CTC and W2CTC)108
- Figure 4.10 SEL-787 Differential Characteristics (Preferred and Other)109
- Figure 4.11 REF Directional Element116
- Figure 4.12 REF1 Enable Logic117
- Figure 4.13 REF1 Directional Element117
- Figure 4.14 REF Element Trip Output118
- Figure 4.15 Internal Fault with LV Breaker Open118
- Figure 4.16 REF Protection Output (Extremely Inverse-Time O/C)119
- Table 4.6 Restricted Earth Fault Settings119
- Figure 4.17 Single-Wye Winding REF Application (REF1POL := 2)120
- Figure 4.18 Autotransformer REF Application (REF1POL := 12)120
- Table 4.7 Winding N Maximum Phase Overcurrent Settings (N = 1 or 2)120
- Figure 4.19 Instantaneous Overcurrent Element Logic122
- Table 4.8 Winding N Residual Overcurrent Settings (N = 1, 2)123
- Table 4.9 Winding N Negative-Sequence Overcurrent Settings (N = 1 or 2)123
- Figure 4.20 Maximum Phase Time-Overcurrent Elements 51P1T and 51P2T124
- Table 4.10 Winding N Maximum Phase Time-Overcurrent (N = 1 or 2)124
- Figure 4.21 Phase A, B, and C Time-Overcurrent Elements125
- Table 4.11 Winding N Phase A, B, and C Time-Overcurrent (N = 1 or 2)125
- Figure 4.22 Residual Time-Overcurrent Elements 51G1T and 51G2T126
- Table 4.12 Residual Time-Overcurrent Settings (N = 1 or 2)126
- Figure 4.23 Negative-Sequence Time-Overcurrent Element 51Q1T and 51Q2T127
- Table 4.13 Winding N Negative-Sequence Time-Overcurrent Settings (N = 1, 2)127
- Table 4.14 Neutral Overcurrent Settings127
- Figure 4.24 Neutral Time-Overcurrent Elements 51N1T and 51N2T128
- Table 4.15 Neutral Time-Overcurrent Settings128
- Table 4.16 Equations Associated with U.S. Curves129
- Table 4.17 Equations Associated with IEC Curves129
- Figure 4.25 U.S. Moderately Inverse Curve: U1130
- Figure 4.26 U.S. Inverse Curve: U2130
- Figure 4.27 U.S. very Inverse Curve: U3130
- Figure 4.28 U.S. Extremely Inverse Curve: U4130
- Figure 4.29 U.S. Short-Time Inverse Curve: U5131
- Figure 4.30 IEC Class a Curve (Standard Inverse): C1131
- Figure 4.31 IEC Class B Curve (very Inverse): C2131
- Figure 4.32 IEC Class C Curve (Extremely Inverse): C3131
- Figure 4.33 IEC Long-Time Inverse Curve: C4132
- Figure 4.34 IEC Short-Time Inverse Curve: C5132
- RTD-Based Protection132
- Table 4.18 RTD Settings132
- Table 4.19 RTD Resistance Versus Temperature133
- Table 4.20 Undervoltage Settings134
- Voltage-Based Protection134
- Figure 4.35 Undervoltage Element Logic135
- Table 4.21 Overvoltage Settings135
- Figure 4.36 Overvoltage Element Logic136
- Figure 4.37 V/Hz Element Logic137
- Figure 4.38 Dual-Level Volts/Hertz Time-Delay Characteristic, 24CCS = DD138
- Figure 4.39 Composite Inverse/Definite-Time Overexcitation Characteristic, 24CCS = ID138
- Table 4.22 Volts Per Hertz Settings139
- Figure 4.41 Volts/Hertz Inverse-Time Characteristic, 24IC141
- Figure 4.42 Volts/Hertz Inverse-Time Characteristic, 24IC = 2143
- Figure 4.43 Three-Phase Power Elements Logic144
- Table 4.23 Power Element Settings144
- Figure 4.44 Power Elements Operation in the Real/Reactive Power Plane145
- Figure 4.45 Over- and Underfrequency Element Logic146
- Table 4.24 Frequency Settings146
- Demand Metering148
- Figure 4.46 Loss-Of-Potential (LOP) Logic148
- Table 4.25 Demand Meter Settings148
- Figure 4.47 Demand Current Logic Outputs149
- Figure 4.48 Response of Thermal and Rolling Demand Meters to a Step Input150
- Figure 4.49 Voltage V S Applied to Series RC Circuit151
- Table 4.26 Trip/Close Logic Settings153
- Figure 4.50 Trip Logic154
- Figure 4.51 Close Logic155
- Logic Settings (SET L Command)156
- Table 4.27 Enable Settings156
- Figure 4.52 Schematic Diagram of a Traditional Latching Device157
- Figure 4.53 Logic Diagram of a Latch Switch157
- Table 4.28 Latch Bits Equation Settings158
- Figure 4.55 Result of Falling-Edge Operator on a Deasserting Input162
- Table 4.32 Counter Input/Output Description164
- Figure 4.58 Example of the Effects of the Input Precedence165
- Table 4.33 Order of Precedence of the Control Inputs165
- Table 4.34 Control Output Equations and Contact Behavior Settings166
- Table 4.35 General Global Settings167
- Figure 4.59 Phase Rotation Setting168
- Table 4.36 Setting Group Selection169
- Table 4.37 Time and Date Management Settings169
- Table 4.38 Breaker Failure Setting171
- Figure 4.60 Breaker Failure Logic172
- Figure 4.61 Analog Input Card Adaptive Name172
- Table 4.39 Summary of Steps173
- Figure 4.62 Settings to Configure Input 1 as a 4-20 Ma Transducer Measuring Temperatures between -50°C and 150°C175
- Table 4.40 Analog Input Card in Slot175
- Figure 4.63 Analog Output Number Allocation176
- Table 4.41 Output Setting for a Card in Slot 3176
- Figure 4.64 Analog Output Settings177
- Figure 4.65 DC Mode Processing177
- Figure 4.66 AC Mode Processing178
- Figure 4.67 Timing Diagram for Debounce Timer Operation When Operating in AC Mode178
- Table 4.42 Slot C Input Debounce Settings179
- Table 4.43 Setting Change Disable Setting179
- Table 4.44 Time-Synchronization Source Setting180
- Table 4.45 Front-Panel Serial Port Settings180
- Table 4.47 Fiber-Optic Serial Port Settings181
- Table 4.48 Rear-Panel Serial Port Settings182
- Table 4.49 Rear-Panel Serial Port (EIA-232/EIA-485) Settings182
- Front-Panel Settings (SET F Command)183
- Table 4.50 Rear-Panel Devicenet Port Settings183
- Table 4.51 Display Point and Local Bit Default Settings184
- Table 4.52 Front-Panel General Settings184
- Table 4.53 LCD Display Point Settings184
- Table 4.54 Settings that Always, Never, or Conditionally Hide a Display Point185
- Figure 4.68 Display Point Settings186
- Figure 4.69 Front-Panel Display-Both HV and LV Breakers Open186
- Table 4.55 Entries for the Four Strings186
- Figure 4.70 Front-Panel Display-HV Breaker Closed, LV Breaker Open187
- Figure 4.71 Front-Panel Display-Both HV and LV Breakers Closed187
- Figure 4.72 Front-Panel Display-HV Breaker Open, LV Breaker Closed187
- Figure 4.73 Front-Panel Display-HV Breaker Open, LV Breaker Closed187
- Figure 4.74 Front-Panel Display for a Binary Entry in the Name String Only188
- Table 4.56 Binary Entry in the Name String Only188
- Table 4.57 Analog Entry in the Name String Only188
- Figure 4.75 Front-Panel Display for an Analog Entry in the Name String Only189
- Figure 4.76 Front-Panel Display for an Entry in (A) Boolean Name and Alias Strings and (B) Analog Name and User Text and Formatting Strings189
- Figure 4.77 Front-Panel Display for an Entry in (A) Boolean Name and Alias Strings and (B) Analog Name, User Text and Formatting Strings, and Engineering Units189
- Table 4.58 Entry in the Name String and the Alias Strings189
- Figure 4.78 Adding Temperature Measurement Display Points190
- Table 4.59 Example Settings and Displays190
- Figure 4.80 Adding Two Local Bits192
- Table 4.60 Target LED Settings193
- Table 4.61 Pushbutton LED Settings193
- Report Settings (SET R Command)194
- Table 4.62 Auto-Removal Settings194
- Table 4.63 SER Trigger Settings195
- Table 4.64 Enable Alias Settings195
- Table 4.65 SET R SER Alias Settings195
- Table 4.66 Event Report Settings196
- Table 4.67 Load Profile Settings196
- Table 4.68 DNP Map Settings196
- Modbus Map Settings (SET M Command)197
- Table 4.69 User Map Register Settings197
- Overview199
- Figure 5.1 Complex Power Measurement Conventions200
Section 5: Metering and Monitoring201
- Metering201
- Table 5.1 Measured Fundamental Meter Values201
- Figure 5.2 METER Command Report with Voltage Option202
- Table 5.2 Measured Differential Meter Values202
- Figure 5.3 METER DIF (Differential) Command Report203
- Figure 5.4 METER T Command Report with Rtds203
- Table 5.3 Thermal Meter Values203
- Table 5.4 RTD Input Status Messages203
- Figure 5.5 METER E Command Report204
- Figure 5.6 METER RE Command Report204
- Table 5.5 Maximum/Minimum Meter Values204
- Figure 5.7 METER M Command Report205
- Figure 5.8 METER RM Command Response206
- Figure 5.9 MET MV Command Report206
- Table 5.6 RMS Meter Values206
- Figure 5.10 METER RMS Command Report207
- Figure 5.11 METER AI Command Report207
- Figure 5.12 METER dem Command Report208
- Figure 5.13 METER P Command Report208
- Table 5.7 Demand Values208
- Table 5.8 Measured Harmonic Meter Values208
- Figure 5.14 METER H Command Report209
- Table 5.9 Synchrophasor Measured Values209
- Figure 5.15 LDP Command Report210
- Small Signal Cutoff for Metering210
- Figure 5.16 Transformer Bank Subjected to through Fault211
- Figure 5.17 Category IV Transformers Through-Fault Protection Curves211
- Through-Fault Event Monitoring211
- Table 5.10 Through-Fault Element Settings212
- Figure 5.18 Through-Fault Diagram213
- Figure 5.19 Result of the TFE Command215
- Table 5.11 Through-Fault Events Report Messages215
- Figure 5.20 Preload the Values of the Accumulated Data216
Section 10: Testing and Troubleshooting217
- Overview217
- Table 6.1 Methods of Accessing Settings217
- View/Change Settings with Front Panel218
- Figure 6.1 Front-Panel Setting Entry Example219
- Table 6.2 SHOW Command Options220
- Table 6.3 SET Command Options220
- View/Change Settings over Communications Port220
Section 7: Communications289
SEL-787 Settings Sheets289
- Overview289
- Table 7.1 SEL-787 Communications Port Interfaces289
- Figure 7.1 Simple Ethernet Network Configuration291
- Figure 7.2 Ethernet Network Configuration with Dual Redundant Connections (Failover Mode)291
- Figure 7.3 Ethernet Network Configuration with Ring Structure (Switched Mode)292
- Figure 7.4 IRIG-B Input (Relay Terminals B01-B02)293
- Figure 7.5 IRIG-B Input Via EIA-232 Port 3 (SEL Communications Processor as Source)294
- Figure 7.6 IRIG-B Input Via EIA-232 Port 3 (SEL-2401/2404/2407 Time Source)294
- Figure 7.7 IRIG-B Input VIA Fiber-Optic EIA-232 Port 2 (SEL-2030/2032 Time Source)294
- Figure 7.9 EIA-232 DB-9 Connector Pin Numbers295
- Table 7.2 EIA-232/EIA-485 Serial Port Pin Functions295
- Figure 7.10 SEL Cable C234A-SEL-787 to DTE Device296
- Figure 7.11 SEL Cable C227A-SEL-787 to DTE Device296
- Figure 7.12 SEL Cable C222-SEL-787 to Modem296
- Figure 7.13 SEL Cable C272A-SEL-787 to SEL Communications Processor (Without IRIG-B Signal)297
- Figure 7.14 SEL Cable C273A-SEL-787 to SEL Communications Processor (with IRIG-B Signal)297
- Figure 7.15 SEL Cable C387-SEL-787 to SEL-3010297
- Communications Protocols298
- Table 7.3 Protocols Supported on the Various Ports298
- Table 7.4 Settings Associated with SNTP301
- SEL ASCII Protocol and Commands302
- Table 7.5 Serial Port Automatic Messages303
- Table 7.6 Command Response Header Definitions305
- Table 7.7 Access Commands306
- Table 7.8 ANALOG Command307
- Table 7.9 ANALOG Command Format308
- Table 7.10 COM Command310
- Table 7.11 CONTROL Command310
- Table 7.12 Three Remote Bit States311
- Table 7.13 COPY Command311
- Table 7.14 COUNTER Command311
- Table 7.15 Date Command311
- Figure 7.16 Ethernet Port (PORT 1) Status Report312
- Figure 7.17 Non-Redundant Port Response312
- Table 7.16 EVENT Command (Event Reports)312
- Table 7.17 EVENT Command Format313
- Table 7.18 FILE Command313
- Table 7.19 GOOSE Command Variants313
- Figure 7.18 GOOSE Command Response315
- Table 7.20 GROUP Command315
- Table 7.22 HISTORY Command316
- Table 7.23 IDENTIFICATION Command316
- Table 7.24 IRI Command317
- Table 7.25 LDP Commands317
- Table 7.26 LDP Command Parameters318
- Table 7.27 L_D Command (Load Firmware)318
- Table 7.29 Meter Command319
- Table 7.30 Meter Command Parameters319
- Table 7.31 Meter Class320
- Table 7.32 PASSWORD Command321
- Table 7.33 PAS Command Format321
- Table 7.34 Factory-Default Passwords for Access Levels 1, 2, and C321
- Table 7.35 Valid Password Characters321
- Figure 7.19 PING Command Response322
- Table 7.36 PUL Outnnn Command322
- Table 7.37 QUIT Command323
- Table 7.38 R_S Command (Restore Factory Defaults)323
- Table 7.39 SER Command (Sequential Events Recorder Report)323
- Table 7.40 SER Command Format323
- Table 7.41 SER D Command324
- Table 7.42 SET Command (Change Settings)324
- Table 7.43 SET Command Format324
- Table 7.44 SET Command Editing Keystrokes325
- Table 7.45 SHOW Command (Show/View Settings)325
- Table 7.46 SHOW Command Format325
- Figure 7.20 SHOW Command Example326
- Table 7.47 STATUS Command (Relay Self-Test Status)328
- Table 7.48 STATUS Command Report and Definitions328
- Figure 7.21 Typical Relay Output for STATUS S Command329
- Table 7.49 SUMMARY Command329
- Table 7.50 TARGET Command (Display Relay Word Bit Status)330
- Table 7.51 TARGET Command Format330
- Table 7.52 Front-Panel Leds and the TAR 0 Command330
- Table 7.53 TIME Command (View/Change Time)331
- Table 7.54 TRIGGER Command (Trigger Event Report)331
- Table 7.55 VEC Command332
- Human-Machine Interface333
- Figure 8.1 Front-Panel Overview334
- Figure 8.2 Access Level Security Padlock Symbol335
- Table 8.1 Front-Panel Automatic Messages (FP_AUTO := OVERRIDE)335
- Figure 8.3 Password Entry Screen336
- Figure 8.4 Front-Panel Pushbuttons336
- Figure 8.5 Main Menu337
- Table 8.2 Front-Panel Pushbutton Functions337
- Figure 8.6 MAIN Menu and METER Submenu338
- Figure 8.7 METER Menu and ENERGY Submenu338
- Figure 8.8 Relay Response When Demand, Peak Demand, Energy, or Max/Min Metering Is Reset338
- Figure 8.9 Relay Response When no Analog Cards Are Installed338
- Figure 8.10 Relay Response When no Math Variables Enabled339
- Figure 8.11 MAIN Menu and EVENTS Submenu339
- Figure 8.12 EVENTS Menu and DISPLAY Submenu339
- Figure 8.13 Relay Response When no Event Data Available339
- Figure 8.14 Relay Response When Events Are Cleared339
- Figure 8.15 MAIN Menu and TARGETS Submenu340
- Figure 8.16 TARGETS Menu Navigation340
- Figure 8.17 MAIN Menu and CONTROL Submenu340
- Figure 8.18 CONTROL Menu and OUTPUTS Submenu341
- Figure 8.19 CONTROL Menu and LOCAL BITS Submenu341
- Figure 8.20 MAIN Menu and SET/SHOW Submenu342
- Figure 8.21 SET/SHOW Menu343
- Figure 8.22 MAIN Menu and Status Submenu344
- Figure 8.23 Factory-Default Front-Panel Leds344
- Operation and Target Leds344
- Figure 8.24 Target Reset Pushbutton345
- Table 8.3 Possible Warning Conditions (Flashing TRIP LED)345
- Figure 8.25 Operator Control Pushbuttons and Leds346
- Table 8.4 SEL-787 Front-Panel Operator Control Functions347
Section 8: Front-Panel Operations349
- Overview349
Section 9: Analyzing Events350
- Event Reporting350
- Figure 9.1 Example Event Summary351
- Table 9.1 Event Types352
- Figure 9.2 Sample Event History354
- Table 9.2 Analog Event Report Columns Definitions356
- Figure 9.3 Example Standard 15-Cycle Analog Event Report 1/4-Cycle Resolution357
- Figure 9.4 Derivation of Analog Event Report Current Values and RMS Current Values from Sampled Current Waveform361
- Figure 9.5 Derivation of Phasor RMS Current Values from Event Report Current Values362
- Table 9.3 Digital Event Report Column Definitions363
- Figure 9.6 Example Standard 15-Cycle Digital Event Report (EVE D Command) 1/4 Cycle Resolution366
- Table 9.4 Differential Event Report Column Definitions for Analog Quantities368
- Table 9.5 Differential Event Report Digital Column Definitions for Protection, Control, and I/O Elements368
- Sequential Events Recorder (SER) Report370
- Figure 9.8 Example Sequential Events Recorder (SER) Event Report371
- Overview373
- Figure 10.1 Low-Level Test Interface (J2 and J3)374
- Table 10.1 Resultant Scale Factors for Inputs374
- Commissioning Tests375
- Figure 10.2 Three-Phase Wye AC Connections377
- Figure 10.3 Three-Phase Open-Delta AC Connections377
- Table 10.2 Serial Port Commands that Clear Relay Data Buffers378
- Figure 10.4 CTR1 Current Source Connections379
- Table 10.3 CTR1 Phase Current Measuring Accuracy379
- Figure 10.5 CTR2 Current Source Connections380
- Figure 10.6 Wye Voltage Source Connections380
- Table 10.4 CTR2 Phase Current Measuring Accuracy380
- Figure 10.7 Delta Voltage Source Connections381
- Table 10.5 Power Quantity Accuracy-Wye Voltages381
- Periodic Tests (Routine Maintenance)382
- Table 10.6 Power Quantity Accuracy-Delta Voltages382
- Table 10.7 Periodic Relay Checks382
- Self-Test383
  - Table 10.9 Troubleshooting387
  - Table A.1 200 Series Firmware Revision History389
- Table 10.8 Relay Self-Tests383
- ICD File390
  - Table A.3 Devicenet Card Versions395
  - Table A.4 EDS File Compatibility395
  - Table A.5 SEL-787 ICD File Revision History396
  - Table A.6 Instruction Manual Revision History398
Section 6: Settings403
- Overview403
- Upgrade Firmware Using a Terminal Emulator408
- Figure B.1 Firmware File Transfer Process409
- Relays with IEC 61850 Option410
- Factory Assistance411
Appendix C: SEL Communications Processors413
- SEL Communications Protocols413
- Table C.1 Supported Serial Command Sets413
- Table C.2 Compressed ASCII Commands414
- SEL Communications Processor415
- Figure C.1 SEL Communications Processor Star Integration Network415
- Table C.3 SEL Communications Processors Protocol Interfaces416
- Figure C.2 Multitiered SEL Communications Processor Architecture416
- SEL Communications Processor and Relay Architecture417
- Figure C.3 Enhancing Multidrop Networks with SEL Communications Processors418
- Table C.4 SEL Communications Processor Port 1 Settings419
- Table C.5 SEL Communications Processor Data Collection Automessages419
- Figure C.4 Example of SEL Relay and SEL Communications Processor Configuration419
- Table C.6 SEL Communications Processor Port 1 Automatic Messaging Settings420
- Table C.7 SEL Communications Processor Port 1 Region Map420
- Table C.8 Communications Processor METER Region Map421
- Table C.9 Communications Processor TARGET Region Map422
- Table C.10 Communications Processor DEMAND Region Map423
Appendix Ddnp3 Communications425
- Overview425
- Introduction to DNP3425
- Table D.1 DNP3 Implementation Levels425
- Table D.2 Selected DNP3 Function Codes426
- Table D.3 DNP3 Access Methods428
- DNP3 in the SEL-787430
- Table D.4 TCP/UDP Selection Guidelines430
- Table D.5 DNP3 Access Methods430
- Figure D.2 Message Transmission Timing432
- Table D.6 SEL-787 Event Buffer Capacity433
- Table D.7 Port DNP3 Protocol Settings435
- Table D.8 Serial Port DNP3 Modem Settings436
- DNP3 Documentation437
- Table D.9 SEL-787 DNP Object List437
- Table D.10 DNP3 Reference Data Map442
- Table D.11 DNP3 Default Data Map443
- Table D.12 SEL-787 Object 12 Control Operations446
- Figure D.3 Sample Response to SHO DNP Command447
- Figure D.4 Port MAP Command448
- Table D.13 Sample Custom DNP3 AI Map450
- Figure D.5 Sample Custom DNP3 AI Map Settings450
- Figure D.6 Analog Input Map Entry in AC SEL451
- Figure D.7 AI Point Label, Scaling and Dead Band in451
- Figure D.8 Sample Custom DNP3 BO Map Settings452
- Figure D.9 Binary Output Map Entry in AC SEL452
Appendix E: Modbus RTU Communications453
- Overview453
- Communications Protocol454
- Table E.1 Modbus Query Fields454
- Table E.2 SEL-787 Modbus Function Codes454
- Table E.3 SEL-787 Modbus Exception Codes455
- Table E.4 01H Read Discrete Output Coil Status Command455
- Table E.5 Responses to 01H Read Discrete Output Coil Query Errors456
- Table E.6 02H Read Input Status Command456
- Table E.7 02H SEL-787 Inputs457
- Table E.8 Responses to 02H Read Input Query Errors460
- Table E.9 03H Read Holding Register Command460
- Table E.10 Responses to 03H Read Holding Register Query Errors460
- Table E.11 04H Read Input Register Command461
- Table E.12 Responses to 04H Read Input Register Query Errors461
- Table E.13 05H Force Single Coil Command461
- Table E.14 01H, 05H SEL-787 Output461
- Table E.15 Responses to 05H Force Single Coil Query Errors464
- Table E.16 06H Preset Single Register Command464
- Table E.17 Responses to 06H Preset Single Register Query Errors464
- Table E.18 08H Loopback Diagnostic Command465
- Table E.19 Responses to 08H Loopback Diagnostic Query Errors465
- Table E.20 10H Preset Multiple Registers Command465
- Table E.21 10H Preset Multiple Registers Query Error Messages466
- Table E.22 60H Read Parameter Information Command466
- Table E.23 60H Read Parameter Descriptor Field Definition467
- Table E.24 60H Read Parameter Conversion Field Definition467
- Table E.25 Responses to 60H Read Parameter Information Query Errors467
- Table E.26 61H Read Parameter Text Command468
- Table E.27 61H Read Parameter Text Query Error Messages468
- Table E.28 62H Read Enumeration Text Command468
- Table E.29 61H Read Parameter Enumeration Text Query Error Messages469
- Table E.30 7Dh Encapsulated Packet with Control Command469
- Table E.31 7Dh Encapsulated Packet Query Errors469
- Table E.32 7Eh NOP Command470
- Table E.33 Modbus Register Labels for Use with SET M Command474
- Modbus Register Map475
- Table E.34 Modbus Register Map475
Appendix F: IEC 61850 Communications511
- Features511
- Introduction to IEC 61850512
- Table F.1 IEC 61850 Document Set512
- IEC 61850 Operation513
- Table F.2 Example IEC 61850 Descriptor Components514
- Table F.3 SEL-787 Logical Devices514
- Table F.4 Buffered Report Control Block Client Access516
- Figure F.1 SEL-787 Predefined Reports516
- Table F.5 Unbuffered Report Control Block Client Access517
- Figure F.2 SEL-787 Datasets518
- Figure F.3 Goose Quality519
- IEC 61850 Configuration521
- Table F.6 IEC 61850 Settings521
- Logical Node Extensions523
- Table F.7 New Logical Node Extensions523
- Table F.8 Thermal Metering Data Logical Node Class Definition523
- Table F.9 Demand Metering Statistics Logical Node Class Definition523
- Table F.10 Compatible Logical Nodes with Extensions524
- Table F.11 Metering Statistics Logical Node Class Definition524
- Logical Nodes525
- Table F.12 Logical Device: PRO (Protection)525
- Table F.13 Logical Device: MET (Metering)531
- Table F.14 Logical Device: con (Remote Control)535
- Table F.15 Logical Device: ANN (Annunciation)536
- Table F.16 Logical Device: CFG (Configuration)538
- Protocol Implementation Conformance Statement539
- Table F.17 PICS for A-Profile Support539
- Table F.18 PICS for T-Profile Support539
- Table F.19 MMS Service Supported Conformance539
- Table F.20 MMS Parameter CBB542
- Table F.21 Alternate Access Selection Conformance Statement542
- Table F.22 Variableaccessspecification Conformance Statement542
- Table F.23 Variablespecification Conformance Statement543
- Table F.24 Read Conformance Statement543
- Table F.25 Getvariableaccessattributes Conformance Statement543
- Table F.26 Definenamedvariablelist Conformance Statement543
- Table F.27 Getnamedvariablelistattributes Conformance Statement544
- Table F.28 Deletenamedvariablelist544
- Table F.29 GOOSE Conformance544
- ACSI Conformance Statements545
- Table F.30 ACSI Basic Conformance Statement545
- Table F.31 ACSI Models Conformance Statement545
- Table F.32 ACSI Services Conformance Statement547
Appendix G: Devicenet Communications551
- Overview551
- Devicenet Card552
- Features552
- Figure G.1 Devicenet Card Component Overview552
- Electronic Data Sheet553
Appendix H Synchrophasors555
- Introduction555
- Synchrophasor Measurement556
- Figure H.1 Phase Reference556
- Figure H.2 Waveform at Relay Terminals May Have a Phase Shift557
- Figure H.3 Correction of Measured Phase Angle557
- Settings for Synchrophasors558
- Table H.1 PMU Settings in the SEL-787 for C37.118 Protocol in Global Settings558
- Table H.2 SEL-787 Serial Port Settings for Synchrophasors559
- Table H.3 Synchrophasor Order in Data Stream (Voltages and Currents)561
- Table H.4 User-Defined Analog Values Selected by the NUMANA Setting561
- Table H.5 User-Defined Digital Status Words Selected by the NUMDSW Setting562
- Table H.6 PM Trigger Reason Bits-IEEE C37.118 Assignments562
- Synchrophasor Relay Word Bits563
- View Synchrophasors Using the MET PM Command564
- Table H.7 Synchrophasor Trigger Relay Word Bits564
- Table H.8 Time Synchronization Relay Word Bits564
- C37.118 Synchrophasor Protocol565
- Figure H.4 Sample MET PM Command Response565
- Table H.9 Size of a C37.118 Synchrophasor Message566
- Table H.10 Serial Port Bandwidth for Synchrophasors (in Bytes)566
Appendix I: MIRRORED BITS Communications569
- Overview569
- Operation569
- Settings573
- Table I.4 MIRRORED BITS Communications Message Transmission Period573
- Table I.5 MIRRORED BITS Protocol Settings573
- Table J.1 SEL-787 Relay Word Bits575
Appendix J: Relay Word Bits Overview576
- Definitions578
- Table J.2 Relay Word Bit Definitions for the SEL-787578
Appendix K Analog Quantities589
- Table K.1 Analog Quantities590
Glossary595
Index601
- Figure 4.57 Counter601
- Figure 4.79 Rotating Display602
SEL-787 Relay Command Summary605

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