ABB RED650 - Page 142

t
tPPZx
t
tPEZx
BLOCK
PPZx
PEZx
TimerLinksZx
LoopLink (tPP-tPE)
LoopLink & ZoneLink
No Links
FALSE (0)
TimerLinksZx =
LoopLink & ZoneLink
LNKZ2
LNKZx
OR
LNKZ4
LNKZ5
ZoneLinkStart
Phase Selection
1st starting zone
VTSZ
BLKZx
BLKTRZx
OR
OR
OR
OR
OR
AND
AND
OR
AND
AND
AND
TimerModeZx =
Enable PhPh or
Ph-E PhPh
AND
AND
EXTNST
External start
IEC12000139-4-en.vsdx
IEC12000139 V4 EN-US
Figure 56: Logic for linking of timers
Section 7 1MRK 505 394-UEN A
Impedance protection
136 Line differential protection RED650 2.2 IEC
Technical manual