Fault Direction Evaluation T_Dir; Function Block; Functionality; Signals - ABB RELION REX640 Technical Manual

1MRS759142 C
3.19.5
3.19.5.1
3.19.5.2
3.19.5.3
REX640
Technical Manual

Fault direction evaluation T_DIR

Function block

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Figure 87: Function block

Functionality

The fault direction evaluation function T_DIR evaluates enumerated data of the
FAULT_DIR data attribute of the directional functions. T_DIR can only be used with
GOOSE.
The DIR input can be connected to the GOOSERCV_ENUM function block, which
is receiving the LD0.<function>.Str.dirGeneral or LD0.<function>.Dir.dirGeneral
data attribute sent by another device. In case the GOOSERCV_ENUM function block
does not receive the value from the sending device or it is invalid, the default value (0)
is used in function outputs.
The outputs FWD and REV are extracted from the enumerated input value.

Signals

Table 158: T_DIR Input signals
Name Type
DIR Enum
Table 159: T_DIR Output signals
Name Type
FWD BOOLEAN
REV BOOLEAN
Basic functions
Default Description
0 Input signal
Description
Direction forward
Direction backward
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