Siemens Static Trip III User Manual

Testing
Load
lndicator
OutPut
Test
ffi;;;;isirtl
iiip
lll
trip
devices
ha.v9
l
ning
pin
connec-
Io]',in
tf',"
itont
of
the
device
to
connect
to
the
,load
indicator
L.'i
t.L"
p"g"
agj
it
tn"
rtao
indicator
is
available
it can
be
,l"b\o
t"it
tnt
output
si
g
nals
lf there
is
a
malf
unction
between
th;M;;;;;ories
sudstitulion
of
either
unit
is
the
best
f
ield
iest
to
isolate
the
defective
assembly'
nin"
pi[
"onn"ctor'
with
the
following
code
The
connector
also
contains
+5
volts
on
pin
1 to
power
the
load
indicator.
The
output
signal
is
a
four
bit,
latched'
parallel
binary
word
l;;;o;;
ilr-e
catcutaieo
RMS
current
in
th-e
highestPhg:e
tl"lJ"pt""li"Jto
ir.l"
ro,-Jindicator
on
Pil-s
2 through
5 of
the
Do
not
disassemble
the
tripping
actuator'
tfiis-.lnay
partially
;;r;g;il;;-ii,
and
remagnetiiing
requires
special
equip-
ment.
Current
Sensor
Test
il;;;i.
d";;ibed
in
the
preceding
verifv
performance
of
the
trip
device
and
tripping
actuator'
ThethirdlinkinthestaticTriplll.protection-systemisthe
Oi"ut
"r.
*ornted
current
sensors
These
are
special
purpose
"Li["]tt"r.to*",r.
when
seconoary
current
testing
is
done
*iiH
iH"
ttip
device
on
the
breaker'
the
current
sensors
are
subiected
to
approxrmalely
their
normal
exc.fqtion
so
that
a
it;'t;t*";-tt,th
,r-,ott"l"iltns
may
snow
up
in
the
form
of
pickup values
uOou"
tolurunce
lbwever'
further
testing
is
I;r;i"i
ili"tt
it t,"
pioor"*
is
in
the
trip
device
or
in
the
sensors.
Moreover,
,n
op"n
"it"'lt
in
the
transformer
winding
;;ffi";
*orio
not
sr.,o''nl'p
at
all
,Therefor:',1,1:.g"^t]tubl"
to
test
the-current
sensors
as
described
in
the
tollowlng'
Connections
iiih;';6;;;ice
is on.the
breaker'
disconnect
it
bv
removtng
the
connecto,
,,r,p
"oi.t"the
tower
row
of
terminal
block
connections
The
current
sensors
can
now
be
tested
by
making
connections
to"in"
Ounana
lacks
on
the
top
row
of
terminbl
block
connections
ContinuitY
Checks
An
ohmmeter
is
most
suitable
for
checking
the
continuity
of
the
sensor
secondary
*inJlngt
and
wiring
Connect
the
ohm-
meter
from
terminal
r i"
i"t'i"a
5
for
Phise
1'
from
terminal
2 to
terminal
S
tor
pna"se
Z
from
terminal
3
to
terminal
5
for
Phase
3.
The
exact
value
of
resistance
is
not
important
s.o
iono*I=ih"tu
is
continuity
The
resistance
should
be
approxt-
;ri"ly
,i..;;rn"loi
"l
[r'ut"t
on
q,9l'"1..?reaker'
but
can
uuly,,i,iJerv
tor
the
various
sensor
ratings
available'
When
ground
protection
is
provided'
the
g^round
sensor
or
neutral
sensor'
wf',icrreier
L'used'
is
mount-ed
external
to
the
circuit
breaker
and
i.'*ir"o
to
the
trip
device
through
the
b;;;k;;t;noatv
ols"onn""it
on
the
side
of
the
breaker
To
check
this
circuit
the
bieaklr
must
be
in
the
TEST
position-
Then
the
ohmmeter
"f't""[
"'n
be
made
between
terminal
4
and
terminal
5
of
the
iilp
O*i""
terminal
block
The
circuit
breaker
wiring
dragra;"th*lJte
checked,for
any
special
connections
that
mali
fl""-0""n
made
When
the
neutral
metering
option
is suppfieO'
a
ninth
terminal
rs
provided
on
the
trio device
terminal
015"[
Cr'e"x
for
neutral
sensor
continuity
[5;;ffi#;;;i
e;J
i"ilinat
s
iust
as
is
done
ror
ground
fault.
The
negative
or
common
line
is
on
pin
9'
Pin
8
is
a
signal
called
Not
Reset
This
signal
is used
to
enable
ir-r"
LrJi"ii"itor
and
is
+5
volts
dc
when
current
supplied
to
ii'.l"
iie
J"ri"e
is
above
approximately
1OO
milliamperes
Be-
io*
ir.r[
lnprt
level
none
of
the
data
is accepted
All
pins
can
;";;;"k;
with
a
voltmeter
while
current
i,s
adiusted
as
i".*"i-
f
ri"r.ering
of
the
LED
output
is
normal'
The
load
indicator
assembly
decodes
the
number
and
drives
a
lioht
emitting
diode
Oui
Oi'tpf
'V
to
indicate
the
magnitude
of
:r';;;;il;i"1;;f";
rl.;
;";iains
an
alarm
settins
swrtchband
circuitry
that
setects
any
one
oithe
current
levels
indicated
and
;i".;;
aUid
itut"
atai*
contactwhen
that
level
is exceeded'
ThesolidStateContactisratedlampere,l25Vnominaldc
or
ac.
Tripping
Actuator
Test
f
t tdJiiidO"uice
fails
to
trip
the
breaker
lh9
!y."-ttion
arises
as
io'*r.Li["t1r.re
trouble
is
in
the
trip
device
or
in
the
actuator'
Substitution
of
a
known
irip
oevlce
is
an
easy
way
to
supply
a
quick answer.
lf anothertrip
device
is
notavailable'
the
actuator
can
betested
[V
,ppf
Vi"ei
,"ltage
to
iis
trip
windinq
yith,the
PTS4
test
set'
This
winding
connects
to
if'5
t"t*inai
OtocX
with
the
positiv-e
i"iri""r
""
""umber
7 unt
t'"
negative
terminal
on
number
6'
The
leads
at
the
actuatorlie
af
sdcotor
coded'
,red
is
positive'
Ofacfiis
negative,
and
blue
is the
hold-in
winding'
With
the
breaker
closed
apply
DC
voltage,to
the
terminals
for
the
trip
winding,
ttutt
ui'Eio
'oltage
and-slowly
increase
until
i'r,i
u&ruiottti[s.
The
voltage
shotl'td
be
between
3
and
6
volts'
$;iJth;
aciuator
tair'io"irip
check
the
coil
resistance
lt
;h;;;
b;Gtween
15
a-nd
zs
ot'ttnt
Double
check
the
polaritv
;f
ih"
t;tl
uortug"
andirrecx
for
any
mechanical
interference
in or
around
the
actuator'
Hazardous
Voltage.
Will
cause
severe
iniurY
or
death'
Turn Dower
oll
and
lock
out
suPPlY-
ing
device
belore
installing'
06X
O7x
08x
09x
1.Ox
(this ls long
time
pickup current)
1.1x
1.2x
1.3x
001.1
01
00
01
01
01
10
01
11
1 000
1001

Siemens Static Trip III Specifications

General

Brand	Siemens
Model	Static Trip III
Category	Circuit breakers
Language	English