A.8
SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
Firmware and Manual Versions
Instruction Manual
20090730
Section 1
➤ Updated Optoisolated Inputs specification.
Section 3
➤ Updated Figure 3.3: Differential Element (87-1) Quantities (SEL-387-0) and Figure 3.4: Differential Element
(87-1) Quantities (all But SEL-387-0).
➤ Updated Harmonic Restraint (All But SEL-387-0).
➤ Updated Figure 3.9: DC Blocking (DCBL1) Logic (All But SEL-387-0).
➤ Updated Harmonic Restraint (HRSTR) (all But SEL-387-0).
➤ Updated Independent Harmonic Blocking (IHBL).
➤ Added criterion in CT Arrangements.
➤ Updated Operating Characteristic.
➤ Updated range in Operating Quantity from W1, W2, W3 (32IOP).
➤ Added note relating to Ambient Temperature Input (AMB), Top Oil 1 Temperature Input (OIL1), & Top Oil 2
Temperature Input (OIL2).
➤ Updated 51Qn and 51Nn–Sequence Inverse-Time Elements.
Section 4
➤ Updated Table 4.9: SEL-387 Relay Word Bits and Locations.
Section 10
➤ Updated information in Winding 2 Bit column in Table 10.2: Instantaneous Overcurrent Elements and Corre-
sponding Settings.
➤ Updated Table 10.4: Connection Compensation Factor.
➤ Updated Equation 10.12.
Appendix H
➤ Added Appendix H: Transformer/CT Winding Connection Diagrams.
20071220
Appendix A
➤ Combined firmware revision history tables.
20071025
Appendix A
➤ Updated for firmware version R609.
20050919
Appendix A
➤ Updated Firmware Revision History and Manual Revision History.
20050719
Entire Manual
➤ Updated format of instruction manual.
Section 1
➤ Corrected Figure 1.5 to add connecting line between a 51 P/G/Q circle and the 87 differential circuit.
Section 3
➤ Corrected Figure 3.13: REF Enable/Block Logic.
➤ Clarified text explaining harmonic blocking and harmonic restraint.
➤ Added a final row to Table 3.4: Overcurrent Element Summary.
Section 4
➤ Corrected number of latch bits in Table 4.4: SELOGIC Control Equation Variables (SEL-387-0 Relay Only).
➤ Corrected Figure 4.4: Traditional Latching Relay.
➤ Adjusted text under ALARM Output Contact to indicate NOTALM is the Relay Word Bit associated with the
ALARM output contact.
➤ Changed !ALARM to NOTALM in Relay Word Bit row 43 (see Table 4.9, Table 4.10, and Table 4 .11).
Section 5
➤ Corrected Figure 5.4: Trip Bus Sensing With Relay Input.
Section 6
➤ Added text at the end of the section stating that the Word files of the Settings Sheets are available to download
from the SEL website.
Table A.2 Manual Revision History—SEL-387-0, -5, -6 (Sheet 2 of 7)
Revision Date Summary of Revisions
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