Logic Diagram - ABB Relion 650 Series Technical Manual

Section 9
Logic
9.1.6.1
278

Logic diagram

BLOCK
TRINL1
TRINL2
TRINL3
OR
TRIN
1PTREF
1PTRZ
IEC05000517 V4 EN-US
Figure 124: Three-phase front logic — simplified logic diagram
TRIN
TRINL1
PSL1
AND
TRINL2
PSL2
AND
TRINL3
PSL3
AND
OR
1PTREF
1PTRZ
IEC10000056 V4 EN-US
Figure 125: Phase segregated front logic
tTripMin
AND
t
-LOOP
OR OR
OR
AND
-LOOP
OR
AND
AND
1MRK 511 424-UEN B
TRIPALL
OR
IEC05000517=4=en=Original..vsdx
OR
OR
OR
AND
tWaitForPHS
t
OR
Bay control REC650 2.2 IEC
Technical manual
M12258-7 v6
L1TRIP
L2TRIP
L3TRIP
IEC10000056=4=en=Original.vsdx