ABB RELION RET670 - Settings for each Step

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ANSI09000636 V1 EN-US
Figure 260: Directional function characteristic
1. RCA = Relay characteristic angle
2. ROA = Relay operating angle
3. Reverse
4. Forward
9.2.3.1 Settings for each step
M12982-19 v10
x means step 1, 2, 3 and 4.
DirModeSelx: The directional mode of step x. Possible settings are Disabled/Non-
directional/
Forward/Reverse.
Section 9 1MRK 504 163-UUS A
Current protection
522 Transformer protection RET670 2.2 ANSI
Application manual