iv Manual Change Information Date Code 20010518
SEL-2020 Instruction Manual
Revision
Date
Summary of Revisions
Appendix A, Firmware Versions - Additions
Appendix G, Modbus Protocol - Additions (all pages reissued)
970408
Section 2, Receive Messages and Data - Addition in Solicited Messages and
Data
Section 2, Database Structure - Additions in D1 to D8 Regions
Section 2, Data Parsing Options - Additions in Non-ā20ā Message Response
Section 2, SET A - Auto Message Settings (Ports 1 - 16) - Addition in
DELAYn
Section 3, Alarm Contact Connection - Clarification
Section 4, Figure 4.8 - Clarification
Section 4, Example 6, Operation - Clarification
Section 4, Example 6, Set the SEL-2020, Step-By-Step - Addition in 3b
screen capture
Section 4, Example 9, Set the SEL-2020, Step-By-Step - Clarification
Section 5, Table 5.1 - Add DEFRAG command
Section 5, AUTOn (Access Level 1) - Additions
Section 5, DEFRAG (Access Level 2) - Additions
Section 5, Help (Access Level 0) - Additions
Section 5, SEL-2020 COMMAND SUMMARY - Add DEFRAG command
Section 6, Table 6.3, Add SETTLE1 and SETTLE2 settings
Section 6, Table 6.4, Add SETTLE1 and SETTLE2 settings
Section 6, Data Parsing Options - Additions
Section 6, Data Parsing Options - Addition of Parse Option 5
Section 6, Figure 6.6 - Additions
Section 6, Figure 6.7 - Additions
Section 6, Table 6.10 - Additions
Section 6, Automated Control - Additions
Section 6, Setting Sheets - Additions
Section 8, Table 8.2 - Additions
Section 8, Message Sequences - Addition of example
Section 8, SEL-2020 STRINGS Summary Sheet - Additions
Section 9, Local Data Region (LOCAL) - Additions
Section 9, Data Regions (D1-D8) - Additions
Appendix A, Firmware Versions - Additions