A.21
Date Code 20170927 Instruction Manual SEL-751 Relay
Firmware, ICD, and Manual Versions
Instruction Manual
20111116
Section 1
➤
Added Compression Plug Mounting Ear Screw Tightening Torque in Specifications.
➤ Revised 24/48 Vdc power supply maximum input voltage to 60 Vdc in Specifications.
➤ Revised Channels 1–4 Arc-Flash Detectors (AFDI) in Specifications.
Section 2
➤
Changed “Bare Fiber” to “Clear Fiber” as a result of the new fiber sensor design.
Section 4
➤
Revised Figure 4.51: Trip Logic to show target reset when 52A asserts with setting RSTLED = Y.
➤ Changed “Bare Fiber” to “Clear Fiber” as a result of the new fiber sensor design.
Section 5
➤
Updated fundamental and rms metering threshold values in Small Signal Cutoff for Metering.
Section 6 Setting Sheets
➤
Revised CBADPU setting units to ppm (parts per million).
Section 10
➤
Updated Table 10.8: Relay Self-Tests with Corrective Action column.
➤ Changed “Bare Fiber” to “Clear Fiber” as a result of the new fiber sensor design.
➤ Added SEL-4520 Arc Flash Test Module reference in Arc-Flash Protection Tests.
Appendix A
➤
Updated for firmware version R103.
Appendix E
➤
Removed Modifying Relay Settings Using Modbus
20110720
Appendix A
➤
Updated for firmware version R102.
20110601
➤ Initial version.
Table A.8 Instruction Manual Revision History (Sheet 9 of 9)
Revision Date Summary of Revisions
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