GE Power ManagementL90 Line Differential RelayF-1APPENDIX F F.1 CHANGE NOTESFAPPENDIX F MISCELLANEOUSF.1 CHANGE NOTES F.1.1 REVISION HISTORYF.1.2 CHANGES TO L90 MANUALTable F–1: REVISION HISTORYMANUAL P/N L90 REVISION RELEASE DATE ECO1601-0081-A1 1.0X 04 November 1998 N/A1601-0081-A2 1.0X 09 December 1998 URL-0391601-0081-A3 1.5X 25 June 1999 URL-0511601-0081-A4 1.5X 10 August 1999 URL-0551601-0081-A5 1.5X 02 September 1999 URL-0571601-0081-A6 2.0X 17 December 1999 URL-0631601-0081-A7 2.0X 26 January 2000 URL-0641601-0081-A7-2 2.0X 07 April 2000 URL-0681601-0081-A8 2.2X 12 May 2000 URL-0671601-0081-A9 2.2X 14 June 2000 URL-0701601-0081-A9-2 2.2X 21 June 2000 URL-0711601-0081-A9-2a 2.2X 28 June 2000 URL-071a1601-0081-B1 2.4X 08 September 2000 URL-0751601-0081-B2 2.4X 03 November 2000 URL-0771601-0081-B3 2.6X 08 March 2001 URL-0791601-0081-B4 2.8X 24 September 2001 URL-0881601-0081-B5 2.9X 03 December 2001 URL-090Table F–2: MAJOR UPDATES FOR L90 MANUAL-B5PAGE(s)(B4)CHANGE DESCRIPTIONTitle Update Manual part number from B4 to B52-5 Update Updated ORDER CODES table to include 7T Inter-Relay Communications option2-8 Update Updated CHANNEL MONITOR section5-29 Update Updated description for Local ID Number in L90 POWER SYSTEM section5-36 Update Updated FLEXLOGIC™ OPERANDS table5-53 to 5-55 Update Updated CURRENT DIFFERENTIAL section to reflect updates to description and scheme logic5-60 Update Updated PHASE DISTANCE Z2 sub-section5-66 Update Updated GROUND DISTANCE Z2 sub-section to reflect updates to settings5-115 Update Updated description for DISTURBANCE DETECTOR sub-section8-6 Update Updated BLOCK DIAGRAM FOR CLOCK SYNCHRONIZATION to reflect 2.9X firmware8-16 Update Updated RELAY SYNCHRONIZATION section9-1 Update Updated INTRODUCTION TO L90 CT REQUIREMENTS section9-6 Add Added PHASE DISTANCE, GROUND DISTANCE, POTT SIGNALING SCHEMES, and SERIESCOMPENSATED LINES sections10-1 Update Updated COMMISSIONING chapter to reflect changes to revision 2.9X firmwareB-9 Update Updated MODBUS MEMORY MAP to reflect revision 2.9X firmwareD-1 Add Added IEC 60870-5-104 INTEROPERABILITY DOCUMENT section
