Sel 411L - Figure 3.157 87 L Single-Pole Trip Select Logic; Table 3.126 Trip Logic Relay Word Bits

P.3.244
SEL-411L Relay Protection Manual Date Code 20151029
Protection Functions
Trip Logic
Figure 3.157 87L Single-Pole Trip Select Logic
Table 3.126 Trip Logic Relay Word Bits (Sheet 1 of 2)
Name Description
RXPRM Receiver trip permission
COMPRM Communications-assisted trip permission
TRPRM Trip permission
DTR Direct transfer trip
SOTFT Switch-onto-fault trip
E3PT Three-pole trip enable
E3PT1 Breaker 1 three-pole trip enable
E3PT2 Breaker 2 three-pole trip enable
APS A-phase selected
BPS B-phase selected
CPS C-phase selected
3PS Three-phase selected
ATPA Assert Trip A
ATPB Assert Trip B
ATPC Assert Trip C
A3PT Assert three-pole trip
TPA Trip A
TPB Trip B
TPC Trip C
TRIP Trip A or Trip B or Trip C
3PT Three-pole trip
SPT Single-pole rip
TPA1 Breaker 1 Trip A
TPB1 Breaker 1 Trip B
87LA
87LB
87LC
FTSAG
FTSBG
FTSCG
87SPTS
87STAG
87STBG
87STCG
87DTTI
87DTA
87DTB
87DTC
87DT3P
APSI
BPSI
CPSI
1/8 cyc
0
1 cyc
SPO