ABB REL650 series Technical Manual page 150

Section 6
Impedance protection
144
INDIR_A
AND
DRV_A
INDIR_AB
AND
DRV_AB
INDIR_CA
AND
DRV_CA
INDIR_B
AND
DRV_B
INDIR_AB
AND
INDIR_BC
AND
DRV_BC
INDIR_C
AND
DRV_C
INDIR_BC
AND
INDIR_CA
AND
ANSI10000546 V2 EN
Figure 63: Composition of phase selection signals for reverse direction
OR 0
15 ms
OR 0
15 ms
OR 0
15 ms
INDIR_A
INDIR_B
INDIR_C
INDIR_AB
INDIR_BC
INDIR_CA
OR 0
15 ms
0
OR
15 ms
1MRK 506 335-UUS A
REV_A
REV_G
REV_B
STCNDZI
Bool to
integer
REV_C
REV_PP
ANSI10000546-2-en.vsd
Technical manual