A.7
Date Code 20100129 Instruction Manual SEL-751A Relay
Firmware and Manual Versions
Instruction Manual
Appendix H
➤ New release.
Appendix J
➤ Added new rows 116–119.
➤ Added new Relay Word bits for the new functions.
Appendix K
➤ Added LSENS1–LSENS4 (arc-flash light measurements).
➤ Added breaker monitor quantities.
➤ Added demand and peak demand quantities.
20081104
Appendix A
➤ Updated for firmware version R203.
20081022
Appendix A
➤ Updated for firmware versions R105 and R202.
20080808
Appendix A
➤ Updated for firmware version R201.
20080627
Preface
➤ Updated for new functions, including reclosing and synchronism check.
Section 1
➤ Added synchronism check, station dc battery monitor specifications, and new Ethernet options.
Section 2
➤ Added new options, including new Ethernet choices, synchronism-check voltage, and station dc battery
monitor. Revised applications figures to show new functions.
Section 3
➤ Updated figures for the new additions.
Section 4
➤ Added reclosing control description and settings.
➤ Added synchronism-check description and settings.
➤ Revised VNOM, 27P1P, 27P2P, and 50 elements settings ranges.
➤ Added new Ethernet port options description and settings.
Section 5
➤ Updated MET command response (Figure 5.1: METER Command Report With Enhanced Voltage Option
With Monitoring Package) to show synchronism-check voltage (VS), station dc battery voltage (VDC), and
single-phase P, Q, S, and PF quantities.
Section 6
Updated for new settings for reclosing, synchronism check, Ethernet ports, and station dc battery monitor.
Section 7
➤ Added ETH (Ethernet) and PING command descriptions.
Section 8
➤ Updated configurable label descriptions.
Section 9
➤ Updated EVE command response (Figure 9.3: Example Standard 15-Cycle Event Report 1/4-Cycle Resolu-
tion) to show new VS and VDC quantities.
Section 10
➤ Removed power supply warning self-tests from Table 10.7: Relay Self-Tests.
Appendix A
➤ Updated for firmware version R200.
Appendix C
➤ Added VS and VDC to metering data.
Table A.6 Instruction Manual Revision History (Sheet 3 of 5)
Revision Date Summary of Revisions
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