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9 COMMUNICATIONS
c) OSC SETTINGS
Each register contains one Setting in sequential order according to Table 2–1: DGP SYSTEM SETTINGS &
RATINGS on page 2–3. Note that a cycle number and fault number must be selected (registers 17FEh to
17FF) prior to reading OSC Settings.
REGISTER
BIT ASSIGNMENT
160Ch:
bit 0 = DI-1, Generator Off Line
DI SAMPx
bit 1 = DI-2, Turbine Inlet Valve Closed
bit 2 = DI-3, External Trip 1
bit 3 = DI-4, External Trip 2
bit 4 = DI-5, Oscillography Trigger
bit 5 = DI-6, External VTFF / Disable Protections
bit 6 = not used
bit 7 = IRIG-B
bit 8-15 = not used
160Dh:
bit 00 = Trip 94G
DO SAMPx
bit 01 = Trip 94G1
bit 02 = Alarm 74A
bit 03 = Alarm 74B
bit 04 = Alarm 74C
bit 05 = Alarm 74D
bit 06 = Alarm VTFF
bit 07 = Trip 94G2
bit 08 = Trip 94G3
bit 09 = not used
bit 10 = Non Critical Alarm
bit 11 = Critical Alarm
bit 12-15 = not used
160Eh:
Protection pickup flags group 0
PUFLG0
(1 = Active state; 0 = Inactive state)
bit 00 87G-A
bit 01 87G-B
bit 02 87G-C
bit 03 46A
bit 04 46T
bit 05 40-1
bit 06 40-2
bit 07 32-1
bit 08 32-2
bit 09 51V-A
bit 10 51V-B
bit 11 51V-C
GE Power Management
REGISTER
160Fh:
PUFLG1
1610h:
PUFLG2
1611h:
PRFLG0
1612h:
PRFLG1
1613h:
PRFLG2
DGP Digital Generator Protection System
9.5 MODBUS MEMORY MAPPING
BIT ASSIGNMENT
bit 12 24A-A
bit 13 24A-B
bit 14 24A-C
bit 15 59
Protection pickup flags group 1
(1 = Active state; 0 = Inactive state)
bit 00 24T-A
bit 01 24T-B
bit 02 24T-C
bit 03 24I-A
bit 04 24I-B
bit 05 24I-C
bit 06 64G1
bit 07 64G2
bit 08 81-1o
bit 09 81-2o
bit 10 81-3o
bit 11 81-4o
bit 12 81-1u
bit 13 81-2u
bit 14 81-3u
bit 15 81-4u
Protection pickup flags group 2
(1 = Active state; 0 = Inactive state)
bit 00 AE
bit 01 27
bit 02 51GN
bit 03 DI3
bit 04 DI4
bit 05 27TN
bit 06 - bit 15 = not used
Protection function trip flags group 0. Bit
assignment is same as pickup flags group 0.
Protection function trip flags group 1. Bit
assignment is same as pickup flags group 1.
Protection function trip flags group 2. Bit
assignment is same as pickup flags group 2.
9
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