GE DGP Series - Page 9

GE Power Management DGP Digital Generator Protection System
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TABLE OF CONTENTS
5.3.17 T20: POSITIVE-SEQUENCE UNDERVOLTAGE 27............................... 5-17
5.4 END OF PERIODIC TESTING
5.4.1 ENDING PERIODIC TESTS.................................................................... 5-18
6. SERVICING
6.1 SPARES
6.1.1 DESCRIPTION .......................................................................................... 6-1
6.2 RELAY SELF-TESTS
6.2.1 DESCRIPTION .......................................................................................... 6-2
6.3 TROUBLESHOOTING
6.3.1 DESCRIPTION .......................................................................................... 6-4
6.3.2 USING THE INFORMATION STATUS COMMAND.................................. 6-4
6.3.3 SERVICING A CRITICAL FAILURE FAIL.................................................. 6-5
6.3.4 SERVICING A NON-CRITICAL FAILURE WARN..................................... 6-5
6.3.5 SERVICING SYSTEM STATUS FAILURES.............................................. 6-6
6.4 ERROR CODES
6.4.1 ERROR MESSAGES AT STARTUP ......................................................... 6-7
6.4.2 ERROR MESSAGES AT RUNTIME.......................................................... 6-9
7. SPECIFICATIONS
7.1 DGP SPECIFICATIONS
7.1.1 DESCRIPTION .......................................................................................... 7-1
7.1.2 PROTECTION FUNCTIONS AND SETTING RANGES............................ 7-2
8. INTERFACE
8.1 DISPLAY
8.1.1 DESCRIPTION .......................................................................................... 8-1
8.2 TARGET LEDs & TARGET RESET KEY
8.2.1 TARGET LEDs........................................................................................... 8-2
8.2.2 TARGET RESET KEY ............................................................................... 8-2
8.3 KEYPAD
8.3.1 DESCRIPTION .......................................................................................... 8-3
8.3.2 CLEAR KEY [CLR]..................................................................................... 8-3
8.3.3 PRINT KEY [PRT]...................................................................................... 8-4
8.3.4 ARROW KEYS........................................................................................... 8-4
8.3.5 ENTER KEY [ENT] .................................................................................... 8-4
8.3.6 DATA ENTRY KEYS.................................................................................. 8-4
8.3.7 END KEY [END]......................................................................................... 8-5
8.3.8 SETTINGS KEY [SET]............................................................................... 8-5
8.3.9 ACTIONS KEY [ACT]................................................................................. 8-7
1. DISABLE OUTPUTS .................................................................................. 8-7
2. ENABLE OUTPUTS ................................................................................... 8-7
3. TRIP............................................................................................................ 8-8
4. RESET........................................................................................................ 8-8
5. DATE/TIME................................................................................................. 8-8
6. RELAY TEST.............................................................................................. 8-9
7. MMI TEST................................................................................................... 8-9
8. FIX UP SETTINGS CRC ............................................................................ 8-9
9. ENTER PASSWORD................................................................................ 8-10
10. CHANGE PASSWORD .......................................................................... 8-10
11. DIGITAL OUTPUT TEST........................................................................ 8-10
...................................................................................................................... 8-11