Schweitzer Engineering Laboratories SEL-587Z - Figure 2.5 Example DC Connection

Schweitzer Engineering Laboratories SEL-587Z

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2.7

Date Code 20020903 SEL-587Z Instruction Manual

Installation

SEL-587Z Relay AC/DC Connection Diagrams

Figure 2.5 Example DC Connection.

86

(+)

(—)

PS IN1 IN2

OUT1

52a

215 201 207 203 205 209 213 211

206 210 214 212204208202

216

86

OUT2 OUT3 OUT4

GND

ALARM

CT

OPEN

ANN

TRIP

ANN

FAIL

ANN

Table of Contents

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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