GE ALPS - Page 342

C-28 ALPS Advanced Line Protection System
GE Power Management
C.3 POINT LISTS APPENDIX C
C
F12 – Unsigned 8-bit integer, No decimal places. RMS Pickup phases.
RMS Pickup phases is a single byte value with the least significant four bits indicating which of the four phases have an
RMS type fault as shown below:
Trip Phases: xxxxGCBA (binary)
A = '1' then Phase A has an RMS Fault
B = '1' then Phase B has an RMS Fault
C = '1' then Phase C has an RMS Fault
G = '1' then Phase G has an RMS Fault
Table C–9: RMS / HiZ FAULT TYPE CODES
FAULT TYPE
CODE
RMS / HIZ FAULT TYPE
0 Undetermined
1 HiZ (Downed Conductor)
2 RC (Arcing)
3 2COC”