ABB RELION 670 Series Technical Manual page 325

1MRK 502 066-UUS B
TimerModeZx =
Enable Ph-Ph,
Ph-G
PPZx
PGZx
BLOCK
LOVBZ
BLKZx
BLKTRZx
PUPHS
LNKZ1
LNKZ2
LNKZRV
LNKZ3
LNKZ4
LNKZ5
ANSI12000139 V2 EN-US
Figure 162: Logic for linking of timers
Technical manual
AND
OR
AND
AND
OR
AND
OR
OR
ZoneLinkStart
Phase Selection
1st pickup zone
FALSE (0)
OR
TimerLinksZx =
LoopLink & ZoneLink
AND
tPPZx
0
OR
tPPZx
AND
0
TimerLinksZx
LoopLink (tPP-tPG)
LoopLink & ZoneLink
OR
no links
AND
ANSI12000139-2-en.vsdx
Section 7
Impedance protection
TZx
LNKZx
319