Fault Direction Evaluation T_Dir_Rev - ABB RELION REX640 Technical Manual

Protection and control

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Basic functions

Fault direction evaluation T_DIR_REV

Function block

Figure 109: Function block

Functionality

The fault direction evaluation function T_DIR_REV evaluates enumerated data of the

FAULT_DIR and DIRECTION data attributes of the directional functions.

The output REV is extracted from the enumerated input value.

Table 169: T_DIR_REV Input signals

Table 170: T_DIR_REV Output signals

Direction backward

1MRS759142 F

Input signal

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