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Schweitzer Engineering Laboratories SEL-421-4 - Appendix A: Manual Versions

Schweitzer Engineering Laboratories SEL-421-4
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Date Code 20171006 Instruction Manual SEL-400 Series Relays
Instruction Manual
APPENDIX A
Manual Versions
The date code at the bottom of each page of this manual reflects the creation or
revision date.
Table A.1 lists the firmware versions, revision descriptions, and corresponding
instruction manual date codes.
Table A.1 Instruction Manual Revision History (Sheet 1 of 3)
Date Code Summary of Revisions
20171006
Section 16
Updated Table 16.8: Relay DNP3 Object List.
Section 17
Updated for IEC 61850 configuration.
Appendix B
Updated to help preserve IEC 61850 configuration during a firmware upgrade.
20170714
Section 2
Updated Table 2.2: QuickSet HMI Tree View Functions.
Updated Figure 2.20: Retrieving an Event History and Figure 2.22: Sample Event Oscillogram.
Section 9
Updated Figure 9.1: Input Processing to include Sampled Values data acquisition.
Added Figure 9.2: Input Processing of SEL-400 Series Relays With SV Remote Data Acquisition.
Updated Generating Raw Data Oscillograms, and added Figure 9.7: An Overcurrent Application Via Remote
Data Acquisition through Figure 9.9: Filtered Event Reports From SEL-401 and SEL-421.
Section 10
Added Sequence of Events Recorder to Table 10.6: Troubleshooting Procedures.
Added Table 10.7: Troubleshooting for Relay Self-Test Warnings and Failures.
Section 11
Added PTP Over PRP Networks.
Added Global Time Source vs Local Time Source.
Section 12
Added a footnote to Table 12.5: Protocol Selection for the EPORT setting.
Added Table 12.14: SV Receiver Configuration and Table 12.15: SV Transmitter Configuration.
Added a footnote to Table 12.23: PTP Settings for setting PTPPRO.
Removed note that PTP is not supported in PRP mode.
Section 14
Added references to IEC Sampled Values.
Added a note that the CFG NFREQ command is not available in IEC Sampled Values relays.
Updated Figure 14.2: Sample ETH Command Response.
Updated Figure 14.11: Sample VER Command Response.
Section 15
Updated Figure 15.6: Using Internal Ethernet Switch to Add Networked Devices.
Section 16
Updated Table 16.8: Relay DNP Object List.

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