Settings For Each Step - ABB RES670 Applications Manual

Section 8
Current protection
8.1.3.1
126
IEC09000636 V2 EN-US
Figure 50: Directional function characteristic
1. RCA = Relay characteristic angle
2. ROA = Relay operating angle
3. Reverse
4. Forward

Settings for each step

x means step 1, 2, 3 and 4.
DirModex: The directional mode of step x. Possible settings are Off/Non-
directional/Forward/Reverse.
Characteristx: Selection of time characteristic for step x. Definite time delay and
different types of inverse time characteristics are available according to Table 13.
3
1
2
1MRK 511 407-UEN C
U
ref
2
4
I
dir
IEC09000636_2_vsd
Phasor measurement unit RES670 2.2 IEC
Application manual
M12982-19 v10