ABB Relion 670 Series Applications Manual page 204

Section 7
Current protection
No. StartMode
7 FollowStart&M
ode
8 FollowStart&M
ode
9 FollowStart&M
ode
No. StartMode
FunctionMode = CB Pos
10 LatchedStart
11 LatchedStart
12 LatchedStart
13 FollowStart
14 FollowStart
15 FollowStart
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RetripMode t1 and t2 initiated
with
Off external START
and current
above set level
UseFunctionMode external START
and current
above set level
Always external START
and current
above set level
RetripMode t1 and t2 initiated
with
Off external START
UseFunctionMode external START
Always external START
Off external START
UseFunctionMode external START
Always external START
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When t1 has When t2 has elapsed,
elapsed, TRRET TRBU will be given if
will
never be given current is above set
level of IPh> and
external START
present
be given if current current is above set
is above set level level of IPh> and
of IPh> and external START
external START is present
present
be given if external current is above set
START is present level of IPh> and
external START
present
When t1 has When t2 has elapsed,
elapsed, TRRET TRBU will be given if
will
never be given CBCLD input has
logical value one
be given if CBCLD CBCLD input has
input has logical logical value one
value one
always be given CBCLD input has
logical value one
never be given CBCLD input has
logical value one
be given if CBCLD CBCLD input has
input has logical logical value one
value one
if external START CBCLD input has
is present logical value one
1MRK 505 370-UUS Rev. K
t1 and t2 will be
stopped (reset) if
current is below set
level of IPh> or
external START
disappears
current is below set
level of IPh> or
external START
disappears
current is below set
level of IPh> or
external START
disappears
t1 and t2 will be
stopped (reset) if
t1 and (t2 or t2MPh)
and 150ms expires
and CBCLD input
has logical value
zero
t1 and (t2 or t2MPh)
and 150ms expires
and CBCLD input
has logical value
zero
t1 and (t2 or t2MPh)
and 150ms expires
and CBCLD input
has logical value
zero
external START
disappears
external START
disappears
external START
disappears
Busbar protection REB670
Application manual