GE C60

5-268 C60 Breaker Protection System GE Multilin
5.8 INPUTS AND OUTPUTS 5 SETTINGS
5
DIRECT OUT 2 OPERAND: "HYB POTT TX1"
DIRECT OUT 3 OPERAND: "DIRECT INPUT 5" (forward a message from 1 to 3)
DIRECT OUT 4 OPERAND: "DIRECT INPUT 6" (forward a message from 3 to 1)
Signal flow between the three IEDs is shown in the figure below:
Figure 5–123: SIGNAL FLOW FOR DIRECT INPUT AND OUTPUT – EXAMPLE 3
In three-terminal applications, both the remote terminals must grant permission to trip. Therefore, at each terminal, direct
inputs 5 and 6 should be ANDed in FlexLogic and the resulting operand configured as the permission to trip (HYB POTT RX1
setting).
842717A1.CDR
UR IED 3
UR IED 2UR IED 1
DIRECT OUT 2 = HYB POTT TX1
DIRECT INPUT 5
DIRECT INPUT 6
DIRECT OUT 2 = HYB POTT TX1
DIRECT INPUT 5
DIRECT INPUT 6
DIRECT OUT 2 = HYB POTT TX1
DIRECT INPUT 6
DIRECT OUT 4 = DIRECT INPUT 6
DIRECT OUT 3 = DIRECT INPUT 5
DIRECT INPUT 5