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AND
AND
t
tStartTimeout
30ms
NOT
BLOCK
int reset
NOT
AND
S
R
Q
int startAlarmA
int startA
NOT
OR
AND
NOT
TRBU
St artMode
1
LatchedStart
FollowSt art
FollowSt art&Mode
PI CKUP
OR
BFI_A
OR
STALARM
int startAlarmB
int startAlarmC
From ot her
phases
OR
ANSI 18001005-1-en.vsdx
ANSI18001005 V1 EN-US
Figure 278: Start logic for all three Function Modes of operation
t
150 ms
t
150 ms
int startA
AND
AND
AND
AND
NOT
NOT
52A_A
OR
OR
int reset
t
t1
t
t1
t
t2
t
t2
NOT
NOT
t
t2MPh
t
t2MPh
OR
OR
FunctionMode
FunctionMode
1
1
Current
CB Pos
Current or CB Pos
OR
OR
OR
OR
a>b
a
b
a>b
a
b
IA
IPPU
IPPU
AND
AND
ANSI 18001007-1-en.vsdx
ANSI18001007 V1 EN-US
Figure 279: Reset logic in latched mode
1MRK 502 066-UUS B
Section 8
Current protection
531
Technical manual
Summary of Contents for Relion 670 series
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