A.7
Date Code 20080213 Instruction Manual SEL-351A Relay
Firmware and Manual Versions
Instruction Manual
Instruction Manual
The date code at the bottom of each page of this manual reflects the creation
or revision date.
Table A.3 lists the instruction manual release dates and a description of
modifications. The most recent instruction manual revisions are listed at the
top.
Table A.3 Instruction Manual Revision History (Sheet 1 of 10)
Revision
Date
Summary of Revisions
This manual differs from the previous version as follows:
20080213
Section 1
➤ Added ACSELERATOR QuickSet SEL-5030 Software compatibility for SEL-351A-1.
Section 4
➤ Added notes explaining that overcurrent elements 50QF, 50QR, 50GF, and 50GR are operative in the
SEL-351A-1.
Section 8
➤ Added Small Signal Cutoff for Metering subsection.
Appendix D
➤ Corrected notes related to quantities VS and VBAT, which are not present in the SEL-351A-1 Fast Meter mes-
sages.
Appendix K
➤ Added ACSELERATOR QuickSet compatibility for SEL-351A-1.
➤ Updated ACSELERATOR QuickSet System Requirements.
This manual differs from the previous version as follows:
20071226
Section 1
➤ Clarified overcurrent element setting ranges in Specifications.
Section 3
➤ Added second residual ground time-overcurrent element 51G2T (for SEL-351A only).
➤ Clarified figure captions related to SEL-351A-1 exclusions.
Section 7
➤ Added 51G2P to Table 7.10 and Table 7.11 (for SEL-351A only).
Section 9
➤ Updated Table 9.5 and Table 9.6 with new Relay Word bits 51G2, 51G2T, and 51G2R (for SEL-351A only).
Settings Sheets
➤ Updated SEL-351A Settings Sheets to include new settings for second residual ground time-overcurrent ele-
ment, and new setting range for E51G.
Section 12
➤ Added paragraph that explains how the fault locator algorithm uses overcurrent elements as fault detectors, and
how to avoid fault location errors in applications where a load detector element is needed.
➤ Added second residual ground-time overcurrent element 51G2T to Table 12.3, Figure 12.3, and Figure 12.4.
Appendix A
➤ Updated for firmware version R402.
Appendix G
➤ Updated Table G. 3 with new Relay Word bits 51G2, 51G2T, and 51G2R.
➤ Corrected Table G.3 to include Relay Word bits PMDOK, TIRIG, and TSOK (added in firmware version R400).
Appendix H
➤ Added 51G2P to Table H.6 (for SEL-351A only).
➤ Corrected PROTO setting label on DNP Settings Sheets.
Courtesy of NationalSwitchgear.com
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