GE D90 Plus Instruction Manual page 677

CHAPTER 15: THEORY OF OPERATION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 50: Trip table for cross-country fault example, four-bit channel
Terminal Remote data
Bit pattern
RX1 RX2 RX3
T1 0 0 0
T2 1 0 0
Local data
Remote Local
determination of determination of
RX4
fault type fault type
1 AG ABG
0 ABG AG
SINGLE-POLE TRIPPING
Trip output
TRIP PHASE A
TRIP PHASE A
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