Technical data

1MRS751108-MUM
REX 521
5
Protection Relay
Technical Reference Manual, General
8. Revision history of REX 521 .................................................63
8.1. Revision identification ...............................................................63
8.2. Changes and additions to earlier released revision E ..............63
8.3. Configuration, setting, and SA system tools .............................63
9. Appendix A: IEC 60870-5-103 bus .......................................65
9.1. Functions supported by REX 521 .............................................65
9.2. General principle of application data mapping ..........................65
9.3. Principle of the protection functions mapping ...........................66
9.4. Class 2 data ..............................................................................66
9.5. Default mappings ......................................................................67
10. Appendix B: Parameters visible only in the relay .............73
11. Appendix C: Parameters which cause reset ......................75
12. Appendix D: Parameters which require test mode ...........77
13. Abbreviations .......................................................................79
14. Index ......................................................................................81