Settings For Each Step - ABB REC670 Applications Manual

1MRK 511 401-UEN A
8.2.3.1
Bay control REC670 2.2 IEC
Application manual
IEC09000636 V2 EN-US
Figure 59: 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 19.
3
1
2
2
Section 8
Current protection
U
ref
4
I
dir
IEC09000636_2_vsd
M12982-19 v10
149