A.5
Date Code 20100129 Instruction Manual SEL-751A Relay
Firmware and Manual Versions
Instruction Manual
Table A.6 Instruction Manual Revision History (Sheet 1 of 5)
Revision Date Summary of Revisions
20100129
Section 9
➤ Updated Table 9.1: Event Types with faulted phase identification in event types.
Appendix A
➤ Updated for R302 and R402 firmware releases.
Appendix E
➤ Added faulted phase identification event types in Modbus map Historical data register 1754.
Appendix J
➤ Added Relay Word bits Phase_A, Phase_B, Phase_C, and GFLT to Row 117.
20100118
Appendix A
➤ Updated for firmware version R401.
20090910
Section 1
➤ Updated CT ratings, and voltage element and metering accuracy specifications. Updated Figures 1.3: STA
Command Response—No Communications Card or EIA-232
⁄
EIA-485 Communications Card and 1.4: STA
Command Response—Communications Card/DeviceNet Protocol.
Section 2
➤ Updated Figure 2.7: Pins for Password, Breaker Control, and SELBOOT Jumper to show jumper locations on
updated processor card.
Section 4
➤ Updated number of event reports that can be stored. Revised Figure 4.24: Loss-0f-Potential (LOP) Logic.
Section 10
➤ Updated Table 10.7: Relay Self-Tests to show additional voltage checks on updated processor card.
Appendix A
➤ Updated for R400 firmware release.
20090501
Preface
➤ Updated labels.
Section 1
Added Power elements specifications and new CT current range option.
Section 4
➤ Added Power elements description, added new neutral CT current range option, added Port1 setting FAS-
TOP.
Section 6
➤ Added new settings for Power elements, neutral CT range addition, and FASTOP setting addition to Port 1.
Section 9
➤ Added power element to the TRIP message list.
App A
➤ Updated for R301 firmware release.
Appendix E
➤ Updated Modbus map.
Appendix H
➤ Added Relay Word bits for power elements.
To Next Page
Loading...
