A.4
SEL-749M Relay Instruction Manual Date Code 20080918
Firmware and Manual Versions
Instruction Manual
20050623 Appendix A
➤ Updated for firmware version R103.
20041027 Overleaf
➤ Updated patents.
Section 1
➤ Added further guidance on grounding.
➤ Improved Specifications (Output Contacts, 50P and Undercurrent [Load Loss] element-range modifications).
Section 2
➤ Added further guidance on grounding.
Section 4
➤ Clarified VNOM/PTR settings range.
➤ Updated starting %TCU and TCSTART setting.
➤ Clarified cooling time setting calculations.
➤ Added Loss-of-Potential protection description.
➤ Modified 50P and Undercurrent (Load Loss) element ranges.
Section 6
➤ Modified 50P and Undercurrent (Load Loss) element ranges.
Section 7
➤ Described improved password protection.
➤ Added STA S command explanation.
➤ Added Frequency to Event Summary.
Section 8
➤ Added flashing TRIP LED explanation.
Section 9
➤ Added Frequency to Event Report.
Appendix A
➤ Updated for firmware version R102.
Appendix D
➤ Modified 50P and Undercurrent (Load Loss) element ranges.
20040216 Section 1
➤ Updated product compliance from IP54 to IP65 on page 1.11.
Section 4
➤ Made grammatical edits for clarity on page 4.15.
Section 5
➤ Made grammatical edits for clarity on pages 5.6, 5.7, and 5.9.
Section 9
➤ Made grammatical edits for clarity on pages 9.4, 9.6, and 9.8.
Appendix A
➤ Updated for firmware version R101.
20031219
Initial Release.
Table A.2 Instruction Manual Revision History (Sheet 2 of 2)
Revision Date Summary of Revisions
Courtesy of NationalSwitchgear.com
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