Schweitzer Engineering Laboratories SEL-749M - Instruction Manual; Table A.2 Instruction Manual Revision History

A.3
Date Code 20080918 Instruction Manual SEL-749M 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.2 lists the instruction manual release dates and a description of
modifications. The most recent instruction manual revisions are listed at the
top.
Table A.2 Instruction Manual Revision History (Sheet 1 of 2)
Revision Date Summary of Revisions
20080918 Section 1
➤ Added AC Current Input Neutral specifications.
Appendix F
➤ Added Thermal Element Trip-Time Equations.
20071109 Preface
➤ Revised Safety and General Information to include hazardous locations approvals.
Section 1
➤ Revised Specifications to include hazardous locations approvals.
Section 2
➤ Revised to include hazardous locations approvals.
Appendix A
➤ Updated for firmware version R106.
20070308 Section 1
➤ Revised and updated for addition of 8 DI card option.
Section 2
➤ Revised and added I/O Configuration subsection, including 8 DI card option.
Section 3
➤ Revised for the newly added SEL-749M HMI feature in the
ACSELERATOR QuickSet Software.
Section 4
➤ Revised Thermal Element, Port Settings (SET P Command), Logic Functions, and Optoisolated Inputs segments.
Section 6
➤ Added Port 3 PROTOCOL and Modbus SLAVEID settings.
Appendix A
➤ Updated for firmware version R105.
Appendix D
➤ Revised and updated Modbus Register Map Table.
➤ Added Registers 212C–2130 to Modbus Map for four additional Relay Word bit rows (for the 8 DI card option and
spares).
➤ Changed Modbus Register 2100, Bit 7, to “Starting” (from OUT103 Status). Bit 0 is already OUT103.
➤ Changed Modbus Register 2101, Bit 0, to Enabled (from Starting).
Appendix G
➤ Tables G1 and G2 revised for new Relay Word bits IN301. . .IN308.
20060126 Preface
➤ Added safety information.
Section 1
➤ Removed figure.
➤ Expanded on RTD specifications; improved specifications.
Section 2
➤ Added 2-wire communication information; added figure.
Section 4
➤ Clarified.
Section 10
➤ Elaborated on cable use.
Appendix A
➤ Updated for firmware version R104.
Appendix D
➤ Updated high range for MAC ID.
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