A.6
SEL-751A Relay Instruction Manual Date Code 20100129
Firmware and Manual Versions
Instruction Manual
20090109
Preface
➤ Updated for new functions, including arc-flash protection, breaker monitor, synchrophasors, and DNP.
Section 1
➤ Added and revised specifications for arc-flash protection, 80, 81R, 59G, and 59Q elements.
Section 2
➤ Added arc-flash protection installation instructions.
Section 3
➤ Revised screen captures for the ACSELERATOR QuickSet driver update.
Section 4
➤ Added description and settings for arc-flash protection.
➤ Added description and settings for rate-of-change of frequency elements (81R).
➤ Added description and settings for residual overvoltage element (59G).
➤ Added description and settings for negative-sequence overvoltage element (59Q).
➤ Added RCF setting to synchronism-check element (25).
➤ Added 3P27 and 3P59 elements.
Section 5
➤ Updated MET RMS, MET M (min/max), and MET E (energy) sections.
➤ Added demand (MET DEM) and peak demand (MET PEA) metering.
➤ Added synchrophasor metering (MET PM).
➤ Added arc-flash light metering (MET L).
➤ Added description and settings for breaker monitor function.
Section 6
➤ Updated settings sheets for the additions listed under Section 4 above.
Section 7
➤ Added ASCII commands BREn, AFT, MET DEM, MET PEA, MET PM, and MET L.
➤ Added Ethernet network configuration figures.
➤ Added IRIG-B connection figures and updated for IRIG-B using Port 2.
➤ Added DNP3, synchrophasor (C37.118) protocols.
Section 8
➤ Added description of new front-panel setting that allows the new choice of continuing rotating display for
trip and warning messages.
➤ Updated HMI menus for the new additions (demand, etc.).
Section 9
➤ Added arc-flash trip to Table 9.1: Event Types.
➤ Added note to show that CEV includes arc-flash light measurements.
Section 10
➤ Added arc-flash protection commissioning and functional tests.
Appendix A
➤ Updated for firmware version R300.
Appendix C
➤ Updated Table C.9: Communications Processor TARGET Region.
Appendix D
➤ New release.
Appendix E
➤ Updated Modbus map for the new functions added.
Appendix F
➤ Updated for ICD Ver 002 R300.
➤ Updated the logical device tables.
Table A.6 Instruction Manual Revision History (Sheet 2 of 5)
Revision Date Summary of Revisions
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