Schweitzer Engineering SEL-387-0 User manual

20170601
SEL-387-0, -5, -6 Relay
Current Differential
Overcurrent Relay
Data Recorder
Instruction Manual
*PM387-01-NB*

SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
© 1997–2017 by Schweitzer Engineering Laboratories, Inc. All rights reserved.
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Schweitzer Engineering Laboratories, Inc. reserves all rights and benefits afforded under federal and international copyright and patent laws in
its products, including without limitation software, firmware, and documentation.
The information in this document is provided for informational use only and is subject to change without notice. Schweitzer Engineering
Laboratories, Inc. has approved only the English language document.
This product is covered by the standard SEL 10-year warranty. For warranty details, visit selinc.com or contact your customer service
representative. PM387-01

Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
Table of Contents
List of Tables ........................................................................................................................................................ v
List of Figures.................................................................................................................................................... vii
Preface................................................................................................................................................................... xi
Manual Overview ............................................................................................................................................. xi
Safety Information ........................................................................................................................................... xii
General Information ....................................................................................................................................... xiv
Section 1: Introduction and Specifications
Overview ......................................................................................................................................................... 1.1
Relay Functions............................................................................................................................................... 1.2
Application Ideas............................................................................................................................................. 1.4
Model Options ................................................................................................................................................. 1.7
Specifications .................................................................................................................................................. 1.8
Section 2: Installation
Overview ......................................................................................................................................................... 2.1
Relay Mounting............................................................................................................................................... 2.1
Rear-Panel Connections .................................................................................................................................. 2.5
Typical AC/DC Connections ......................................................................................................................... 2.12
Circuit Board Configuration.......................................................................................................................... 2.13
Section 3: Differential, Restricted Earth Fault, Thermal, and Overcurrent Elements
Overview ......................................................................................................................................................... 3.1
Differential Element ........................................................................................................................................ 3.1
Restricted Earth Fault Element...................................................................................................................... 3.25
Temperature Measurement (SEL-387-5 and SEL-387-6 Relays) ................................................................. 3.31
Thermal Element (SEL-387-6 Relay) ........................................................................................................... 3.32
Overcurrent Element ..................................................................................................................................... 3.48
Time-Overcurrent Curves.............................................................................................................................. 3.66
Section 4: Control Logic
Overview ......................................................................................................................................................... 4.1
Optoisolated Inputs.......................................................................................................................................... 4.2
Local Control Switches (All But SEL-387-0 Relay)....................................................................................... 4.2
Remote Control Switches ................................................................................................................................ 4.3
Multiple Setting Groups .................................................................................................................................. 4.4
SELOGIC Control Equation Sets (1—3) Variables ..........................................................................................4.8
Output Contacts............................................................................................................................................. 4.11
Rotating Default Display............................................................................................................................... 4.13
LED Targeting Logic..................................................................................................................................... 4.13
Trip and Close Logic ..................................................................................................................................... 4.16
SELOGIC Control Equations.......................................................................................................................... 4.20
Relay Word Bits............................................................................................................................................. 4.23
Section 5: Metering and Monitoring
Overview ......................................................................................................................................................... 5.1
Metering Functions.......................................................................................................................................... 5.1
Temperature Measurement (SEL-387-5 and SEL-387-6 Relays) ................................................................... 5.7
Station DC Battery Monitor ............................................................................................................................ 5.7
Breaker Monitor .............................................................................................................................................. 5.9
Thermal Monitor (SEL-387-6 Relay)............................................................................................................ 5.13

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SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
Table of Contents
Through-Fault Event Monitor ....................................................................................................................... 5.18
Status Monitor ............................................................................................................................................... 5.23
Section 6: Setting the Relay
Overview ......................................................................................................................................................... 6.1
Settings Changes Via the Front Panel ............................................................................................................. 6.1
Settings Changes Via the Serial Port ............................................................................................................... 6.2
Additional Relay Settings................................................................................................................................ 6.3
Default Settings ............................................................................................................................................... 6.9
Settings Sheets............................................................................................................................................... 6.12
SEL-387-0, -5, -6 Relay Settings Sheets
SEL-387-0, -5, -6 Relay Settings Sheets Example
Section 7: Serial Port Communications and Commands
Overview ......................................................................................................................................................... 7.1
Establish Communication................................................................................................................................ 7.1
Communications Protocol ............................................................................................................................... 7.7
SEL ASCII Protocol Details............................................................................................................................ 7.9
SEL-387 Relay Command Summary
Section 8: Front-Panel Interface
Front-Panel Operation ..................................................................................................................................... 8.1
Pushbuttons...................................................................................................................................................... 8.3
Programmable LEDA, LEDB, LEDC ........................................................................................................... 8.16
Rotating Default Display............................................................................................................................... 8.17
Figures of Selected Front-Panel Menu Structures......................................................................................... 8.25
Section 9: Event Reports and SER
Overview ......................................................................................................................................................... 9.1
Standard 15-, 30-, or 60-Cycle Event Reports ................................................................................................ 9.2
Sequential Events Recorder (SER) Event Report.......................................................................................... 9.19
Section 10: Testing and Troubleshooting
Overview ....................................................................................................................................................... 10.1
Testing Methods and Tools............................................................................................................................ 10.1
Acceptance Testing........................................................................................................................................ 10.3
Commissioning Testing ............................................................................................................................... 10.32
Maintenance Testing.................................................................................................................................... 10.32
Relay Troubleshooting ................................................................................................................................ 10.33
Relay Calibration......................................................................................................................................... 10.37
Factory Assistance....................................................................................................................................... 10.38
SEL-387-0, -5, -6 Relay Commissioning Test Worksheet
Appendix A: Firmware and Manual Versions
Firmware......................................................................................................................................................... A.1
Instruction Manual.......................................................................................................................................... A.7
Appendix B: SEL-300 Series Relays Firmware Upgrade Instructions
Overview .........................................................................................................................................................B.1
Upgrade Procedure ..........................................................................................................................................B.2
Appendix C: SEL Distributed Port Switch Protocol (LMD)
Overview .........................................................................................................................................................C.1
Settings ............................................................................................................................................................C.1
Operation .........................................................................................................................................................C.2

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Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
Table of Contents
Appendix D: Configuration, Fast Meter, and Fast Operate Commands
Overview ........................................................................................................................................................ D.1
Message Lists ................................................................................................................................................. D.1
Message Definitions ....................................................................................................................................... D.2
Appendix E: Compressed ASCII Commands
Overview .........................................................................................................................................................E.1
CASCII Command—General Format .............................................................................................................E.2
SEL-387-0, -5 Relay........................................................................................................................................E.3
SEL-387-6 Relay .............................................................................................................................................E.8
Appendix F: Unsolicited SER Protocol
Overview ......................................................................................................................................................... F.1
Recommended Message Usage ....................................................................................................................... F.1
Functions and Function Codes ........................................................................................................................ F.2
Appendix G: Distributed Network Protocol
Overview ........................................................................................................................................................ G.1
Configuration.................................................................................................................................................. G.1
Data-Link Operation....................................................................................................................................... G.3
Data Access Method....................................................................................................................................... G.3
DNP3 Documentation .................................................................................................................................... G.4
Point Remapping .......................................................................................................................................... G.16
SEL-387-5, -6 Relay DNP Port—SET P Settings Sheets
Appendix H: Protection Application Examples
Overview ........................................................................................................................................................ H.1
Transformer Winding and CT Connection Compensation Settings Examples .............................................. H.1
SEL-387 Relay Command Summary

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Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
List of Tables
Table 2.1 SEL-387 Communication Cable Numbers........................................................................... 2.11
Table 2.2 SEL-387 Second ALARM Contact Jumper Position........................................................... 2.15
Table 3.1 WnCTC Setting: Corresponding Phase and Direction of Correction .................................. 3.15
Table 3.2 Examples of Cooling Stages and MVA Ratings................................................................... 3.41
Table 3.3 Default Transformer Constants ............................................................................................ 3.45
Table 3.4 Overcurrent Element Summary............................................................................................ 3.49
Table 3.5 Equations Associated With U.S. Curves .............................................................................. 3.66
Table 3.6 Equations Associated With IEC Curves............................................................................... 3.66
Table 4.1 Definitions for Active Setting Group Switching SELOGIC Control Equation Settings
SS1 through SS6 ................................................................................................................... 4.5
Table 4.2 Active Setting Group Switching Input Logic......................................................................... 4.6
Table 4.3 SELOGIC Control Equation Settings for Rotating Selector Switch........................................ 4.7
Table 4.4 SELOGIC Control Equation Variables (SEL-387-0 Relay Only)............................................ 4.9
Table 4.5 SELOGIC Control Equation Variables (All But SEL-387-0 Relay)........................................ 4.9
Table 4.6 LED Assignments ................................................................................................................ 4.13
Table 4.7 SELOGIC Control Equation Operators ................................................................................. 4.20
Table 4.8 Maximums for SELOGIC Control Equations........................................................................ 4.23
Table 4.9 SEL-387 Relay Word Bits and Locations ............................................................................ 4.23
Table 4.10 Relay Word Bit Definitions.................................................................................................. 4.25
Table 4.11 Relay Word Bits Sorted Alphabetically ............................................................................... 4.36
Table 5.1 Thermal Element Conditions ............................................................................................... 5.14
Table 5.2 Using the THE Command to Access Data Reports.............................................................. 5.17
Table 5.3 Through-Fault Event Monitor Settings ................................................................................ 5.19
Table 5.4 Self-Test Alarm Limits......................................................................................................... 5.25
Table 6.1 Serial Port SET Commands.................................................................................................... 6.1
Table 6.2 SET Command Editing Keystrokes........................................................................................ 6.2
Table 7.1 Serial Port Pin Definitions...................................................................................................... 7.2
Table 7.2 SEL-387 Communication Cable Numbers............................................................................. 7.3
Table 7.3 Serial Communications Port Pin Function Definitions .......................................................... 7.6
Table 7.4 MET Command Choices...................................................................................................... 7.21
Table 7.5 Valid Password Characters ................................................................................................... 7.23
Table 7.6 Editing Keys for SET Commands........................................................................................ 7.26
Table 7.7 Settings for Each Communication Port................................................................................ 7.28
Table 7.8 TFE Command Choices ....................................................................................................... 7.36
Table 7.9 THE Command Choices....................................................................................................... 7.37
Table 7.10 Commands With Alarm Conditions ..................................................................................... 7.38
Table 7.11 Main Board Jumpers ............................................................................................................ 7.38
Table 8.1 Correspondence Between Local Control Switch Positions and Label Settings................... 8.11
Table 8.2 Correspondence Between Local Control Switch Types and Required Label Settings......... 8.11
Table 8.3 Front-Panel Pushbutton Serial Port Equivalents .................................................................. 8.16
Table 8.4 Dynamic Display Same-Line Overcurrent Elements ........................................................... 8.20
Table 8.5 Dynamic Display Mnemonics.............................................................................................. 8.22
Table 9.1 Event Types ............................................................................................................................ 9.4
Table 9.2 Winding Event Report Current Columns ............................................................................... 9.6
Table 9.3 Winding Event Report Output and Input Columns ................................................................ 9.7
Table 9.4 Digital Event Report Column Description............................................................................. 9.8
Table 9.5 Differential Event Report Current Columns ........................................................................ 9.12
Table 9.6 Differential Event Report Element Columns ....................................................................... 9.12
Table 9.7 Raw Winding Event Report Current Columns..................................................................... 9.15
Table 9.8 Raw Winding Event Report Outputs and Inputs .................................................................. 9.16
Table 9.9 Different SER Event Report Responses............................................................................... 9.20
Table 10.1 Features to Use to Test the Relay ......................................................................................... 10.1
Table 10.2 Instantaneous Overcurrent Elements and Corresponding Settings .................................... 10.11
Table 10.3 Time-Delayed Overcurrent Elements and Corresponding Settings ................................... 10.13

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SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
List of Tables
Table 10.4 Connection Compensation Factor ...................................................................................... 10.21
Table 10.5 Troubleshooting.................................................................................................................. 10.34
Table A.1 Firmware Revision History—SEL-387-0, -5, -6 Relay ........................................................ A.2
Table A.2 Manual Revision History—SEL-387-0, -5, -6 ...................................................................... A.7
Table A.3 Manual Revision History—SEL-387-0 Relay .................................................................... A.13
Table A.4 Manual Revision History—SEL-387-5, -6 Relay ............................................................... A.15
Table B.1 Troubleshooting New Firmware Upload..............................................................................B.13
Table D.1 Binary Message List.............................................................................................................. D.1
Table D.2 ASCII Configuration Message List....................................................................................... D.2
Table D.3 A5CO Relay Definition Block .............................................................................................. D.2
Table D.4 A5C1 Fast Meter Configuration Block ................................................................................. D.3
Table D.5 A5D1 Fast Meter Data Block................................................................................................ D.6
Table D.6 A5C2/A5C3 Demand/Peak Demand Fast Meter Configuration Messages........................... D.6
Table D.7 A5D2/A5D3 Demand/Peak Demand Fast Meter Message ................................................... D.9
Table D.8 A5CE Fast Operate Configuration Block.............................................................................. D.9
Table D.9 A5E0 Fast Operate Remote Bit Control.............................................................................. D.11
Table D.10 A5E3 Fast Operate Breaker Control ................................................................................... D.11
Table D.11 A5CD Fast Operate Reset Definition Block ....................................................................... D.11
Table D.12 A5ED Fast Operate Reset Command.................................................................................. D.12
Table D.13 A546 Temperature Data Block (SEL-387-5 and SEL-387-6)............................................. D.12
Table E.1 SEL-387 Compressed ASCII Commands ..............................................................................E.1
Table G.1 Data Needed to Configure a Port for DNP............................................................................ G.1
Table G.2 Data Access Methods............................................................................................................ G.3
Table G.3 SEL-387 DNP3 Device Profile .............................................................................................G.4
Table G.4 SEL-387 Relay DNP Object Table........................................................................................ G.5
Table G.5 SEL-387 Relay-Wye/Delta DNP Data Map.......................................................................... G.8
Table G.6 SEL-387-5 and SEL-387-6 Relays Continuation of Wye/Delta DNP Data Map................ G.12
Table G.7 SEL-387-5, -6 Relay Binary Input Lookup Table............................................................... G.14
Table H.1 WnCTC Setting: Corresponding Phase and Direction of Correction ................................... H.2
Table H.2 (A, B, C) to (H1, H2, H3) Phase-to-Bushing Connections ................................................... H.6
Table H.3 (A, C, B) to (H1, H2, H3) Phase-to-Bushing Connections ................................................... H.7
Table H.4 Quick Settings Guide for Common Transformer Configurations and Standard
Connections........................................................................................................................ H.20

Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
List of Figures
Figure 1.1 Functional Overview .............................................................................................................. 1.2
Figure 1.2 Transformer and Overcurrent Protection................................................................................ 1.4
Figure 1.3 Transformer and Low-Voltage Bus Protection....................................................................... 1.5
Figure 1.4 Bus and Feeder Protection...................................................................................................... 1.5
Figure 1.5 Unit Differential Protection.................................................................................................... 1.6
Figure 2.1 Relay Dimensions for Rack-Mount and Panel-Mount Models.............................................. 2.2
Figure 2.2 Front-Panel Drawings–Models 0387x0xxxH and 0387x1xxxH ............................................ 2.3
Figure 2.3 Front-Panel Drawings–Models 0387x0xxx3 and 0387x1xxx3.............................................. 2.4
Figure 2.4 Rear-Panel Drawings–Models 0387x0xxxxX and 0387x1xxxx2 .......................................... 2.6
Figure 2.5 Rear-Panel Drawings–Models 0387x1xxxx4 and 0387x1xxxx6 ........................................... 2.7
Figure 2.6 Rear-Panel Drawings–Models 0387xYxxxx6 and 0387xYxxxx2 ......................................... 2.8
Figure 2.7 Standard Independent Output Contact Representation ........................................................ 2.10
Figure 2.8 Example AC Connections (Three-Winding Transformer) ................................................... 2.12
Figure 2.9 Example DC Connections (Basic Version) .......................................................................... 2.13
Figure 2.10 Main Board Jumpers, Connections, and Battery Locations................................................. 2.18
Figure 2.11 Interface Board 2 Component Layout (Conventional Terminal Block)............................... 2.19
Figure 2.12 Interface Board 4 Component Layout (Conventional Terminal Block)............................... 2.20
Figure 2.13 Interface Board 6 Component Layout (Conventional Terminal Block)............................... 2.21
Figure 2.14 Interface Board 2 Component Layout (Connectorized)....................................................... 2.22
Figure 2.15 Interface Board 6 Component Layout (Connectorized)....................................................... 2.23
Figure 3.1 Percentage Restraint Differential Characteristic .................................................................... 3.2
Figure 3.2 Winding 1 Compensated Currents .........................................................................................3.3
Figure 3.3 Differential Element (87-1) Quantities (SEL-387-0) ............................................................. 3.3
Figure 3.4 Differential Element (87-1) Quantities (All But SEL-387-0) ................................................ 3.4
Figure 3.5 Differential Element Decision Logic ..................................................................................... 3.5
Figure 3.6 Differential Element Harmonic Blocking Logic .................................................................... 3.7
Figure 3.7 Differential Element (87BL1) Blocking Logic (SEL-387-0)................................................. 3.8
Figure 3.8 Differential Element (87BL1) Blocking Logic (All But SEL-387-0).................................... 3.8
Figure 3.9 DC Blocking (DCBL1) Logic (All But SEL-387-0).............................................................. 3.9
Figure 3.10 Primary Currents and Secondary Currents as Measured by the Relay ................................ 3.21
Figure 3.11 REF Enable/Block Logic ..................................................................................................... 3.26
Figure 3.12 REF Directional Element ..................................................................................................... 3.26
Figure 3.13 REF Protection Output (Extremely Inverse-Time O/C)....................................................... 3.27
Figure 3.14 REF Function, 32IOP Setting Guide.................................................................................... 3.29
Figure 3.15 Thermal Element Logic........................................................................................................ 3.33
Figure 3.16 Top-Oil and Hot-Spot Temperatures .................................................................................... 3.34
Figure 3.17 Example System Block Diagram ......................................................................................... 3.48
Figure 3.18 50Pn1 Phase Definite-Time O/C Element, Torque Controlled ............................................ 3.50
Figure 3.19 50Pn2 Phase Instantaneous O/C Element, Torque Controlled............................................. 3.50
Figure 3.20 50Pn3 and 50Pn4 Phase Instantaneous O/C Element, Nontorque Controlled ..................... 3.50
Figure 3.21 51Pn Phase Inverse-Time O/C Element, Torque Controlled................................................ 3.51
Figure 3.22 50Qn1 and 50Nn1 Sequence Definite-Time O/C Element, Torque Controlled................... 3.52
Figure 3.23 50Qn2 and 50Nn2 Sequence Instantaneous O/C Element, Torque Controlled.................... 3.52
Figure 3.24 51Qn and 51Nn Sequence Inverse-Time O/C Element, Torque Controlled ........................ 3.53
Figure 3.25 Combined Overcurrent Example..........................................................................................3.54
Figure 3.26 51PC1 and 51NC1 Combined Inverse-Time O/C Elements ................................................ 3.55
Figure 3.27 51PC2 and 51NC2 Combined Inverse-Time O/C Elements ................................................ 3.59
Figure 3.28 U. S. Moderately Inverse Curve: U1 ....................................................................................3.67
Figure 3.29 U.S. Inverse Curve: U2 ........................................................................................................ 3.68
Figure 3.30 U.S. Very Inverse Curve: U3................................................................................................ 3.69
Figure 3.31 U.S. Extremely Inverse Curve: U4....................................................................................... 3.70
Figure 3.32 U.S. Short-Time Inverse Curve: U5 .....................................................................................3.71
Figure 3.33 IEC Class A Curve (Standard Inverse): C1.......................................................................... 3.72
Figure 3.34 IEC Class B Curve (Very Inverse): C2................................................................................. 3.73

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SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
List of Figures
Figure 3.35 IEC Class C Curve (Extremely Inverse): C3........................................................................ 3.74
Figure 3.36 IEC Long-Time Inverse Curve: C4 ...................................................................................... 3.75
Figure 3.37 IEC Short-Time Inverse Curve: C5 ......................................................................................3.76
Figure 4.1 Remote Control Switches Drive Remote Bits RB1 Through RB16 ...................................... 4.3
Figure 4.2 Rotating Selector Switch for Active Setting Group Selection ............................................... 4.6
Figure 4.3 Timed Variables in SELOGIC Control Equation Sets ............................................................. 4.9
Figure 4.4 Traditional Latching Relay................................................................................................... 4.10
Figure 4.5 Latch Bits in SELOGIC Control Equation Sets..................................................................... 4.10
Figure 4.6 SEL-387 Front-Panel LEDs ................................................................................................. 4.13
Figure 4.7 SEL-387 Trip Logic (TRIP1)............................................................................................... 4.17
Figure 4.8 SEL-387 Close Logic (CLS1).............................................................................................. 4.18
Figure 5.1 SEL-387 Demand Ammeter Functions and Commands ........................................................ 5.6
Figure 5.2 Station DC Battery Monitor Alarm Logic.............................................................................. 5.8
Figure 5.3 Undervoltage and Overvoltage Warning and Alarm Regions ................................................ 5.8
Figure 5.4 Trip Bus Sensing With Relay Input......................................................................................5.10
Figure 5.5 Breaker Contact Wear Curve................................................................................................ 5.10
Figure 5.6 Distribution Feeder Faults Expose Transformer Bank to Through Faults ........................... 5.19
Figure 5.7 Through-Fault Triggering, Duration, and Maximum Current.............................................. 5.20
Figure 5.8 Cumulative I2t Alarm (Relay Word bit ISQTAL) ................................................................ 5.21
Figure 7.1 SEL-387 Serial Port Connectors ............................................................................................ 7.2
Figure 7.2 Access Level Relationship ................................................................................................... 7.13
Figure 8.1 SEL-387 Front-Panel User Interface...................................................................................... 8.1
Figure 8.2 Local Control Switch Configured as an ON/OFF Switch.................................................... 8.10
Figure 8.3 Local Control Switch Configured as an OFF/MOMENTARY Switch ................................ 8.11
Figure 8.4 Local Control Switch Configured as an ON/OFF/MOMENTARY Switch ......................... 8.11
Figure 8.5 METER Menu and Display Structure .................................................................................. 8.25
Figure 8.6 EVENTS Display Structure ................................................................................................. 8.26
Figure 8.7 OTHER / BKR Menu and Display Structure ....................................................................... 8.27
Figure 8.8 SET Menu and Display Structure.........................................................................................8.28
Figure 9.1 Example Event Summary....................................................................................................... 9.4
Figure 9.2 Example Winding Event Report............................................................................................. 9.6
Figure 9.3 Example Digital Event Report ............................................................................................... 9.8
Figure 9.4 Example Differential Event Report......................................................................................9.11
Figure 9.5 Example Raw Winding Event Report .................................................................................. 9.15
Figure 9.6 Derivation of Event Report Current Values and RMS Current Values From Sampled
Current Waveform ............................................................................................................ 9.17
Figure 9.7 Derivation of Phasor RMS Current Values From Event Report Current Values.................. 9.18
Figure 9.8 Example SER Event Report ................................................................................................. 9.19
Figure 10.1 Low-Level Test Interface...................................................................................................... 10.2
Figure 10.2 Relay Part Number and Hardware Identification Sticker..................................................... 10.4
Figure 10.3 Test Connections for Balanced Load With Three-Phase Current Sources........................... 10.9
Figure 10.4 Test Connections for Balanced Load With Two-Phase Current Sources ........................... 10.10
Figure 10.5 Test Connections for Two Single Current Test Sources..................................................... 10.11
Figure 10.6 Percentage Restraint Differential Characteristic ................................................................ 10.20
Figure 10.7 Test Connections for Parallel Current Sources................................................................... 10.27
Figure B.1 Establishing a Connection......................................................................................................B.3
Figure B.2 Determining the Computer Serial Port...................................................................................B.3
Figure B.3 Determining Communications Parameters for the Computer ................................................B.4
Figure B.4 Setting Terminal Emulation ...................................................................................................B.4
Figure B.5 Terminal Emulation Startup Prompt ......................................................................................B.5
Figure B.6 Correcting the Port Setting.....................................................................................................B.5
Figure B.7 Correcting the Communications Parameters..........................................................................B.6
Figure B.8 Preparing HyperTerminal for ID Command Display. ............................................................B.7
Figure B.9 List of Commands Available in SELBOOT .............................................................................B.8
Figure B.10 Matching Computer to Relay Parameters ..............................................................................B.9
Figure B.11 Example Receive File Dialog Box .......................................................................................B.10
Figure B.12 Example Filename Identifying Old Firmware Version ........................................................B.10
Figure B.13 Downloading Old Firmware.................................................................................................B.10