Section 7
Current protection
7.1.3.1
164
ANSI09000636 V1 EN
Figure 77:
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.
DirModeSelx: The directional mode of step x. Possible settings are Disabled/Non-
directional/Forward/Reverse.
3
1
2
2
4
I
1MRK 505 337-UUS -
V
ref
dir
ANSI09000636-1-en.vsd
Application manual