Sel SEL-3031 User manual

SEL-3031
Serial Radio
Transceiver
Instruction Manual
20211103
*PM3031-01*

© 2014–2022 by Schweitzer Engineering Laboratories, Inc. All rights reserved.
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respective holders. No SEL trademarks may be used without written permission. SEL products appearing in this
document may be covered by U.S. and Foreign patents.
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. PM3031-01
SEL-3031 Instruction Manual Date Code 20211103

Date Code 20211103 SEL-3031 Instruction Manual
Table of Contents
List of Tables .......................................................................................................... iii
List of Figures ..........................................................................................................v
Preface ..................................................................................................................... vii
Section 1: Introduction and Overview
Overview ................................................................................................................1.1
Features, Benefits, and Applications......................................................................1.2
Models, Options, and Accessories .........................................................................1.3
Product Diagrams...................................................................................................1.6
Specifications .........................................................................................................1.9
Section 2: Installation
Overview ................................................................................................................2.1
Unit Placement and Maintenance Physical Location...........................................2.11
Connections..........................................................................................................2.12
Front-Panel Indicators..........................................................................................2.15
Communications ..................................................................................................2.16
Section 3: Job Done Examples
Overview ................................................................................................................3.1
High-Speed Teleprotection or Control With MIRRORED BITS
Communications..........................................................................................3.1
Using an SEL Information Processor to Collect Relay Status and
Measurements..............................................................................................3.6
Setting Up a Point-to-Multipoint Link Using DNP3 SCADA Protocol ..............3.10
Configuring Collocated Antennas Using SEL Hop-Sync Technology................3.16
Section 4: Settings and Commands
PC Software ...........................................................................................................4.1
Settings...................................................................................................................4.5
Commands............................................................................................................4.17
Section 5: Performance Monitoring, Testing, and Troubleshooting
Overview ................................................................................................................5.1
Monitoring Radio Performance..............................................................................5.1
Self-Test .................................................................................................................5.5
Troubleshooting .....................................................................................................5.6

SEL-3031 Instruction Manual Date Code 20211103
Table of Contentsii
Appendix A: Firmware and Manual Versions
Firmware............................................................................................................... A.1
Instruction Manual................................................................................................ A.2
Appendix B: Firmware Upgrade Instructions
Overview ...............................................................................................................B.1
Technical Support..................................................................................................B.3
Appendix C: SEL-3044 Encryption Card
Overview ...............................................................................................................C.1
NIST FIPS 140-2 Level 2 Security Requirements ................................................C.1
Theory of Operation—SEL Protocol.....................................................................C.2

Date Code 20211103 SEL-3031 Instruction Manual
List of Tables
Table 1.1 Radio Antenna and Cable Accessories .............................................1.4
Table 1.2 Certifications by Country................................................................1.12
Table 2.1 Fresnel Zone Diameter......................................................................2.3
Table 2.2 Antennas Permitted for Use With the SEL-3031..............................2.4
Table 2.3 900-MHz Frequency Skip Zones (Part Numbers Starting With
30310)..........................................................................................2.7
Table 2.4 900-MHz Frequency Skip Zones for Brazil (Part Numbers
Starting With 30311) ...................................................................2.7
Table 2.5 Length vs. Loss in Coaxial Cables at 900 MHz ...............................2.7
Table 2.6 Default Passwords...........................................................................2.14
Table 2.7 Password Jumper Position ..............................................................2.15
Table 2.8 Communications Cables for Time and Communications
Connections ...............................................................................2.15
Table 2.9 Front-Panel Status Indicator LEDs .................................................2.16
Table 2.10 SEL-3031 Port Description.............................................................2.16
Table 2.11 SEL-3031 Port Description.............................................................2.18
Table A.1 Firmware Revision History..............................................................A.1
Table A.2 Instruction Manual Revision History...............................................A.3

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Date Code 20211103 SEL-3031 Instruction Manual
List of Figures
Figure 1.1 Point-to-Point Product Overview......................................................1.1
Figure 1.2 Point-to-Multipoint Product Overview.............................................1.2
Figure 1.3 Radio Antenna Connections .............................................................1.5
Figure 1.4 SEL-3031 Dimensions......................................................................1.6
Figure 1.5 SEL-3031 Rack Mount (Front and Rear) .........................................1.7
Figure 1.6 SEL-3031 Wall Mount (Front and Rear)..........................................1.8
Figure 2.1 Fresnel Zone .....................................................................................2.2
Figure 2.2 Antenna Polarization.........................................................................2.6
Figure 2.3 Collocated Antennas With Two Radio Links...................................2.9
Figure 2.4 Three Collocated Synchronized Radios..........................................2.10
Figure 2.5 Wall-Mount and Rack-Mount Rear Connections ...........................2.12
Figure 2.6 SEL-C693 Cable: Two-Wire EIA-485 Connections ......................2.17
Figure 2.7 EIA-232 and EIA-485 DB-9 Connector Pin Numbers ...................2.17
Figure 2.8 SEL-C245A Cable: SEL-3031 to Computer ..................................2.19
Figure 2.9 SEL-C285 Cable: SEL-3031 to DTE Device (SEL Relays)...........2.19
Figure 2.10 SEL-C387 Cable: SEL-3031 to SEL Communications
Processor With IRIG-B .............................................................2.20
Figure 2.11 SEL-C273A Cable: SEL-3031 Repeater and Synchronizing
Cable..........................................................................................2.20
Figure 2.12 SEL-C576 Cable: Synchronizing Cable for SEL-3031 ..................2.21
Figure 2.13 USB Interface .................................................................................2.21
Figure 3.1 SEL MIRRORED BITS Connection Example......................................3.1
Figure 3.2 SEL-3031 Port Settings for MIRRORED BITS Connection ................3.2
Figure 3.3 SEL-351 Port Settings for MIRRORED BITS Connection ..................3.3
Figure 3.4 SEL-451 Port Settings for MIRRORED BITS Connection ..................3.4
Figure 3.5 SEL-2505 DIP Switch Settings for MIRRORED BITS Connection ....3.5
Figure 3.6 TAR ROKA Command From an SEL-351.......................................3.5
Figure 3.7 SEL-3031 Linking Information Processors to Relays ......................3.6
Figure 3.8 SEL-3031 Port 1 Settings for Fast Messaging..................................3.7
Figure 3.9 SEL-351 Port Settings for Fast Messaging.......................................3.8
Figure 3.10 Example AUTO Command Output ..................................................3.9
Figure 3.11 SEL-3031 Point-to-Multipoint Example ........................................3.10
Figure 3.12 Radio Settings for Point-to-Multipoint...........................................3.11
Figure 3.13 Port 1 Settings for Point-to-Multipoint...........................................3.12
Figure 3.14 SEL-3530 RTAC DNP3 Settings ...................................................3.13
Figure 3.15 SEL-651R Communications Settings for P2MP ............................3.14
Figure 3.16 SEL-651R DNP Port Settings for P2MP ........................................3.15
Figure 3.17 Setting up Collocated Antennas at a Repeater Location.................3.16
Figure 3.18 SYNC Settings for Master Radio....................................................3.18

SEL-3031 Instruction Manual Date Code 20211103
List of Figuresvi
Figure C.1 SEL-3044 Encryption Card..............................................................C.1
Figure C.2 In-Band Data Packet Format............................................................C.4
Figure C.3 Operation of the AES Encryption Function.....................................C.5
Figure C.4 Encryption Card Location ................................................................C.7

Date Code 20211103 SEL-3031 Instruction Manual
Preface
Manual Overview
The SEL-3031 Serial Radio Transceiver manual includes the information
needed to properly install and operate the product.
The scope of this manual includes specifications, installation, mechanical
information, self-monitoring, and alarming.
An overview of each manual section and topics follows.
Preface. Describes the manual organization and conventions used to
present information.
Section 1: Introduction and Overview.Describes the basic features and
functions of the SEL-3031, and lists the specifications.
Section 2: Installation.Describes how to mount and wire the SEL-3031;
illustrates wiring connections for various applications.
Section3: Job Done Examples.Describes common SEL-3031 applications.
Appendix A: Firmware and Manual Versions.Details differences between
firmware versions. Provides a record of changes made to the manual.
Appendix B: Firmware Upgrade Instructions.Provides instructions for
upgrading the firmware in the SEL-3031.
Appendix C: SEL-3044 Encryption Card.Describes how the encryption card
operates to secure wireless data. Provides installation information.

SEL-3031 Instruction Manual Date Code 20211103
Preface
Safety Information
viii
Safety Information
Dangers, Warnings, and Cautions
This manual uses three kinds of hazard statements, defined as follows:
Safety Symbols
The following symbols are often marked on SEL products.
DANGER
Indicates an imminently hazardous situation
that, if not avoided, will result in death or
serious injury.
WARNING
Indicates a potentially hazardous situation
that, if not avoided, could result in death or
serious injury.
CAUTION
Indicates a potentially hazardous situation
that, if not avoided, may result in minor or
moderate injury or equipment damage.
CAUTION
Refer to accompanying documents.
ATTENTION
Se reporter à la documentation.
Earth (ground) Terre
Protective earth (ground) Terre de protection
Direct current Courant continu
Alternating current Courant alternatif
Both direct and alternating current Courant continu et alternatif
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