Name: Schweitzer Engineering Laboratories SEL-587Z
Brand: Schweitzer Engineering Laboratories
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Schweitzer Engineering Laboratories

2350 NE Hopkins Court

Pullman, WA USA 99163-5603

Tel: (509) 332-1890 FAX: (509) 332-7990

SEL-587Z

High-Impedance

Differential Relay

Instruction Manual

20020903

Default Chapter3
- Table of Contents3
List of Tables5
List of Examples11
Section 3: Relay Elements11
Section 1: Introduction and Specifications13
- Introduction13
- Overview14
Section 1: Introduction and Specifications14
- Figure 1.1 SEL-587Z Front Panel14
Section 2: Installation20
Section 2: Installation21
- Introduction21
- Relay Mounting and Maintenance22
- Figure 2.1 Relay Dimensions, Panel Cutout, and Drill Plan23
- Rear-Panel Connections24
- Figure 2.2 Relay Rear Panel24
- SEL-587Z Relay AC/DC Connection Diagrams26
Section 2: Installation26
- Figure 2.3 Example AC Connection for High-Impedance Bus Protection26
Section 3: Relay Elements33
- Introduction33
- High-Impedance Protection34
- Figure 3.1 Differential Relay Currents34
- Figure 3.2 A-Phase High-Impedance Element34
Section 3: Relay Elements35
- Figure 3.3 B-Phase High-Impedance Element35
Section 3: Relay Elements63
- Table 3.4 Transformer Detail63
- Example 3.1 Setting the Relay (Transformer)63
- Table 3.5 Temperature Parameters (IEEE C57.91: 1995)64
- Equation 3.3265
Section 4: Control Logic67
- Introduction67
Section 4: Control Logic68
- Optoisolated Inputs68
- Figure 4.1 Example Operation of Optoisolated Inputs IN1 and IN268
- Figure 4.2 Breaker-And-A-Half Bus69
- Section 4: Control Logic70
- Example70
- Optoisolated Inputs70
- Example 4.4 Time Qualify Optoisolated Inputs70
Section 4: Control Logic71
- Local Control Switches (Nlbn, Slbn, Clbn, Plbn)71
- Table 4.1 Control Switch Position, Label Settings, and Local Control Switch State71
- Figure 4.3 Local Control Switches Drive Local Bits LB1 through LB871
- Table 4.2 Local Bit Functions72
- Table 4.3 Local Control Switch Types and Required Label Settings72
- Example 4.5 Configure LB2 to Replace the Supervisory Control Switch72
- Table 4.4 Local Bit LB3 Used as Bus Zone ON/OFF Switch73
- Example 4.6 Local Bit Controls Bus Protection73
- Remote Control Switches75
- Figure 4.4 Remote Control Switches Drive Remote Bits RB1 through RB875
- SEL OGIC Control Equations77
- Table 4.6 SEL OGIC Control Equation Logic78
- Table 4.7 Processing Order of Relay Elements and Logic (Top to Bottom)79
- SEL OGIC Control Equation Variables/Timers80
- Example 4.7 Close Feed Pumps for Long Busbar Fault80
- Example 4.8 Transformer Settings Example81
- Trip Logic (Trn, Ultrn, TDURD)82
- Close Logic (CL, ULCL, 52A, CFD)84
- Example85
- Example 4.10 Close Logic SELOGIC Control Equation Settings85
- Output Contacts86
- Example 4.11 Default Settings86
- Rotating Display89
- Front-Panel Target Leds90
- Table 4.8 SEL-587Z Front-Panel Target LED Definitions90
Section 5: Setting the Relay91
- Introduction91
Section5: Setting the Relay92
- Settings Changes Via the Serial Port92
- Table 5.1 SET Command Editing Keystrokes92
- Settings Changes Via the Front Panel93
- Identifier and System Parameter Settings94
- SEL-587Z Settings Sheets95
- Figure 4.7 Trip Logic100
- Figure 4.8 Close Logic100
Section 6: Serial Port Communications107
- Introduction107
Section6: Serial Port Communications108
Section6: Serial Port Communications108
- Port Connector and Communications Cables108
- Table 6.1 EIA-232 and EIA-485 Pinouts108
- Figure 6.1 9-Pin Serial Port Connector108
- Table 6.2 Serial Communications Port Pin Function Definitions109
- Figure 6.2 SEL-587Z to Computer110
- Figure 6.3 SEL-587Z to Modem111
- Communications Protocols112
- Table 6.3 Serial Port Automatic Messages112
- SEL Distributed Port Switch Protocol (LMD)116
- SEL Binary Protocols, Fast Meter, and Fast Operate117
- Table 6.4 Binary Message List117
- Table 6.5 ASCII Configuration Message List117
- Table 6.6 A5C0 Relay Definition Block118
- Table 6.7 A5C1 Fast Meter Configuration Block118
- Table 6.8 A5D1 Fast Meter Data Block120
- Table 6.9 A5C2/A5C3 Demand/Peakdemand Fast Meter Configuration Messages120
- Table 6.10 A5D2/A5D3 Demand/Peak Demand Fast Meter Message121
- Table 6.11 A5CE Fast Operate Configuration Block121
- Table 6.12 A5E0 Fast Operate Remote Bit Control122
- Table 6.13 A5E3 Fast Operate Breaker Control123
- Table 6.14 Communications Settings125
Section 7: ASCII Command Reference127
- Introduction127
Section7: ASCII Command Reference128
- Command Definitions128
- Table 7.1 ACC and 2AC Commands128
- Example 7.1 Access Level Attempt (Password Required)128
- Example 7.2 Access Level Attempt (Password Not Required)129
- Table 7.2 SEL-587Z Control Subcommands133
- Table 7.3 Password Requirements and Default Passwords138
- Table 7.4 SET Command Parameters140
Section7: ASCII Command Reference142
- Table 7.5 Valid SHO Commands142
- Figure 7.1 SHO Command Sample Display142
- Figure 7.2 SHO L Command Sample Display143
- Figure 7.3 SHO P F Command Sample Display143
- Figure 7.4 SHO R Command Sample Display143
- Figure 7.5 SHO T Command Sample Display144
- Table 7.6 STA Command145
- Table 7.7 SEL-587Z Relay Word and Its Correspondence to TAR Command and Front-Panel Leds146
- SEL-587Z Relay Command Summary148
- Table 7.8 SEL-587Z Relay Commands148
- Table 7.9 SET/SHOW Command Options148
Section 8: Front-Panel Interface149
- Introduction149
Section8: Front-Panel Interface150
- Front-Panel Operation150
- Figure 8.1 Front-Panel User Interface150
- Figure 8.2 Front-Panel Pushbuttons-Primary Functions153
- Figure 8.3 Front-Panel Pushbuttons-Secondary Functions154
- Local Control156
- Figure 8.4 Local Control Switch Configured as an ON/OFF Switch156
- Figure 8.5 Local Control Switch Configured as an OFF/MOMENTARY Switch156
- Example 8.1 Display Points and Local Bit Configuration156
- Rotating Display161
Section 9: Event Reports and SER163
- Introduction163
- Event Reports164
Section 9: Event Reports and SER165
- Equation 9.1165
Section 9: Event Reports and SER166
Section 9: Event Reports and SER166
- Table 9.1 Event Types166
- Figure 9.1 Example Event Summary166
- Table 9.3 Event Report Current Columns168
- Table 9.4 Digital Element Columns169
- Table 9.2 Event Report175
- Figure 9.2 Example Event Report (1/4-Cycle Sample)177
- Equation 9.2178
- Sequential Events Recorder (SER) Report179
- Table 9.5 Accessing SER Report180
- Table 9.6 SER Report Additional Columns181
- Figure 9.3 Example Sequential Events Recorder (SER) Report182
Section 10: Testing and Troubleshooting183
- Introduction183
- Testing Methods and Tools184
Section 10: Testing and Troubleshooting185
- Figure 10.1 Low-Level Test Interface185
Section 10: Testing and Troubleshooting187
- Acceptance Testing187
- Table 10.1 Acceptance Testing187
- Figure 10.2 Relay Part Number and Hardware Identification Sticker188
- Figure 10.3 STA Command189
- Figure 10.4 SHO Command189
- Figure 10.5 Test Connections for Balanced Load with Three-Phase Current Sources191
- Figure 10.6 Test Connections with Two-Phase Current Sources191
- Table 3.2 Instantaneous Overcurrent Elements192
- Table 10.2 Instantaneous Overcurrent Elements and Corresponding Settings/Relay Word Bits/Tar Commands192
Section 10: Testing and Troubleshooting193
- Equation 10.1193
- Table 3.3 Inverse-Time Overcurrent Elements194
- Table 10.3 Inverse-Time Overcurrent Elements and Corresponding Settings/Relay Word Bits/Tar Commands194
- Equation 10.2195
- Table 10.4 Instantaneous Overcurrent Elements and Corresponding Settings/Relay Word Bits/Tar Commands196
- Figure 10.7 Test Connections for Three-Phase Voltage Sources196
- Commissioning Testing197
- Maintenance Testing198
- Table 10.5 Maintenance Testing198
- Relay Self-Tests199
- Table 10.6 Relay Self-Tests199
- Relay Troubleshooting201
- Relay Calibration203
- Factory Assistance204
Appendix A: Firmware and Manual Versions205
Appendix A: Firmware and Manual Versions205
- Firmware205
- Table A.1 Firmware Revision History205
  - Instruction Manual206
- Table A.2 Instruction Manual Revision History206
Appendix B: Firmware Upgrade Instructions207
Appendixb: Firmware Upgrade Instructions209
- Figure B.1 Establishing a Connection209
- Figure B.2 Selecting the Computer Serial Port209
- Figure B.3 Determining Communications Parameters for the Computer210
- Figure B.4 Setting Terminal Emulation210
- Figure B.5 Terminal Emulation Startup Prompt211
- Figure B.6 Correcting Port Setting211
- Figure B.7 Correcting Communications Parameters212
- Figure B.8 Matching Computer to Relay Parameters214
- Figure B.9 Example Receive File Dialog Box215
- Figure B.10 Example Filename Identifying Old Firmware Version215
- Figure B.11 Downloading of Old Firmware216
- Figure B.12 Selecting the New Firmware to Send to the Relay217
- Figure B.13 Transferring New Firmware to the Relay217
Appendixc: Relay Word Bits221
- Table C.1 SEL-587Z Relay Word Bit Summary221
Appendix C: Relay Word Bits222
- Table C.2 Relay Word Bits: Overcurrent Elements222
- Table C.3 Relay Word Bits: High-Impedance Elements223
- Table C.4 Relay Word Bits: Local Bits223
- Table C.5 Relay Word Bits: Remote Bits223
- Table C.6 Relay Word Bits: SEL OGIC Control Equation Variables224
- Table C.7 Relay Word Bits: Trip/Close Logic224
- Table C.8 Relay Word Bits: Demand Elements225
- Table C.9 Relay Word Bits: Input and Output Contacts225
- Table C.10 Relay Word Bits: Miscellaneous225
- Table C.11 Alphabetic List of Relay Word Bits225
Appendixd: Modbus RTU Communications Protocol229
- Table D.1 Modbus Query Fields229
Appendix D: Modbus RTU Communications Protocol Modbus Overview230
- Table D.2 SEL-587Z Modbus Function Codes230
- Table D.3 SEL-587Z Modbus Exception Codes230
  - Modbus Commands232
- Table D.4 01H Read Coil Status Command232
- Table D.5 02H Read Input Status Command233
- Table D.6 03H Read Holding Register Command234
- Table D.7 04H Read Holding Register Command235
- Table D.8 05H Force Single Coil Command235
- Table D.9 SEL-587Z Command Coils236
- Table D.10 06H Preset Single Register Command237
- Table D.11 07H Read Exception Status Command237
- Table D.12 08H Loopback Diagnostic Command238
- Table D.13 10H Preset Multiple Registers Command239
- Table D.14 64H Scattered Register Read Command239
- Table D.15 SEL-587Z Modbus Command Region240
- Table D.16 Modbus Command Codes241
- Table D.17 Assign Event Report Channel Using Address 00B2243
  - Modbus Map244
- Table D.18 Modbus Map244
Glossary261
Index271
SEL-587Z Relay Command Summary275

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Brand	Schweitzer Engineering Laboratories
Model	SEL-587Z
Category	Relays
Language	English

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