ABB REL 356 Current Differential Protection
6-6
Computer Communications
BFIA breaker failure initiate A output
BFIB breaker failure initiate B output
BFIC breaker failure initiate C output
RI1 reclose initiate 1
RI2 reclose initiate 2
RB reclose block
GS general start
Additional Signals When Scrolling Up
ALMF failure alarm
ALMT trip alarm
ALMC channel alarm
SEBR enable backup system
RIFT reclose into fault
PT na
PTG na
TG FDOG timer
Z2P zone 2 phase distance
Z2G zone 2 ground distance
Z3P zone 3 phase distance
Z3G zone 3 ground distance
ECHO na
IOM medium set ground overcurrent element
LOP loss of potential block
LOI loss of current
21BI inner blinder
OSB out of step block
TGTP time delayed ground trip
T2P zone 2 phase timer
T2G zone 2 ground timer
T3P zone 3 phase timer
T3G zone 3 ground timer
BK2S breaker 2 trip seal