14.1.6.1
Logic diagram
M12258-7 v6
IEC05000517=4=en=Original..vsdx
TRIPALL
BLOCK
AND
TRINL1
t
tTripMin
OR
TRINL2
TRINL3
TRIN
1PTREF
1PTRZ
OR
IEC05000517 V4 EN-US
Figure 216:
Three-phase front logic — simplified logic diagram
IEC10000056=4=en=Original.vsdx
L1TRIP
TRIN
OR
1PTREF
t
tWaitForPHS
OR
TRINL1
AND
PSL1
OR
OR
AND
AND
PSL2
PSL3
TRINL2
TRINL3
L2TRIP
L3TRIP
OR
OR
OR
-LOOP
AND
AND
OR
1PTRZ
-LOOP
OR
AND
AND
IEC10000056 V4 EN-US
Figure 217:
Phase segregated front logic
Section 14
1MRK 505 394-UEN A
Logic
438
Line differential protection RED650 2.2 IEC
Technical manual
Summary of Contents for RED650
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