Siemens Static Trip III User Manual

General
lnformation
Static
Trip
lllCPX
Protective
Relay
Functions
Protective
Function
Pickup
Setting
Range
(SET=)
Time
DelaY
Ranqe
(DLY=)
Current
Unbalance
Voltage
Unbalance
Overvoltage
Undervoltage
Reverse
Power
Overfrequency
UnderfrequencY
5-50%
60-660v
60-660v
1 0-2000kw
50-70H2
45-60N2
5 seconds
5 seconds
5 seconds
5
seconds
5 seconds
5
seconds
5 seconds
?
Logging
Functions
airi;
i;p
IllC/CP/CPX
modeltrip
units
include
several
logging
trn"tion.
for
recording
tripping
events,
pickup conditions'
af armictivity
and
mini-mum
and
maximum
measured
values
Afi
fogg"O
datu
is accessible
via
the
communications
bus'
Most"oj
the
information
can
also
be
read
using
the
BDU
u""".ioty
Accurate
time-stamping
of trip
and
event
log data
Lqrii".
fj"tiodic
synchronization
via
the
communications
bus
,.ilg
,
master
deiice
such
as
the
Power
Monitor
display
and
,onfioting
device.
The
logging
capabilitieswith
type
of
memory'
u"
"
".i
i oii
tv,
an d
ti m
e
-
st"im
I
c
h a
racte
r
i
sti
c
s a
re
s u m
m a
r i
ze d
in
the
following
table:
Remote
OPen/Close/TriP
b]:rii"
iiip'rtalcptcpx
trip
units
can
be
wired
to
open
and/or
"ni"
un
electrically
operated
circuit
breaker
on
command
tro,
u
io*".
Monitor-il
unit
or
other
master
device
using
the
nS
+g5 communications
port The alarm
output
is
used
for
the
:o"p"n;
iomrano,
thereby
restricting
use
for
other
alarm
tuictiont.
The
'trip'
command
uses
the
tripping
actuator
to
oo"n
tt
"
circuit
breaker
and
requires
no
additional
compo-
;;;i.;i*iti;g.
Not"
that
if a
bell
alarm
contact
is installed
on
ttre
clrcuit
bre"aker
using
the
"trip"
command
may
cause
other
,nint"nO"O
functions
such
as
prevention
of
automatic
thr;;;";;
Care
should
be
taken
to
select
either
"open"
or
itrio"
functions
to
meet
the
intended
application'
All
open'
close
anO
trip
communication
commands
are
secure
to
pre-
,enl
unintenOed
operation,
and
can
be
disabled
atthe
trip
unit
Functional
Characteristics
Summary
The{unctionalcharacteristicsofStaticTripllltripunitsare
.rr*utiruO
in the
following
table
The
catalog
number
desig-
"rti"..
on
tf,"
front
of
thd
trip
unit
delineate
the
trip
unit's
l[rir"t"titti"s.
An
explanation
of
the
catalog
number
desig-
nuiion
is
given in the
Ordering
lnformation
section'
l_;
O
The
non-volatile
memory
is
EEPROM
which
requ
res
no batterles
and
is
unaffected
by
loss
of control
power'
The
actjve
memory
requires
control
power
to
maintain
data.
OTheactua|numberofeventsthatmayberecordeddepencsonmemory
-
required
foreachtypeof
event
The
nominal
numberof
recorded
events
isten'
fvents
include
pickup
active
and
inactive,
circuit
breaker
positLon change'
alarm
setpoint
activation
and
release,
and
alarm
relay
activation'
The
most
recent
events
are
retained
O Onty
tne
most
recent
trip
event
is
avallable
to
the
BDU'
without
time-starnp
information.
o
ihlnLrl,*
fog
information
isaduplicateof
the
EventLog
messageassoclated
-
*ltn
t"iuy
acivatlon
thereby
providing
a
local
readout
of
whai
causedlhe
uf
rr,
l."f uV
to
activate.
Thls
feature
provides the
flexibillly
to
read
all
critical
data
trom
ine trip
unit
when the
BS-4g5
network
cornmuntcations
capab
lity s
not Oeing
used
or
is
not fully
implemented
by
the
master
device
Alarm
OutPut
A;i;d*d'feature
on Static
Trip
lllC/CP/CPX
trip
units
is an
alarm
output.
Any
of the
trip
unit's
measured,parameters
can
b"
."t
to activateihe
output
based
on
threshold
and
delay
set-
poinii.
n"ti"ution
o{
the
output
is
recorded
in the
trip
unit's
Su"niiog
for
remote
signaling
via
the
communications
bus
The
trip
unit
alarm
output
is
a solid
state
optically
isolated
f OOrn
f
iV signal
An
interposing
relay
is
required
to
provide
,
tR
IZOV
u"ilZSV
dc
NO
solid
state
contact
for
integration
into
af
ut,
or
control
schemes
(see
Accessories
section)'
O
Fequires
additional
wiring
to
meet
speclfic
appllcation
O
Supports
optlonal
Breaker
Display
Unit
accessory'
@
Included
when
ground fault
protectron
specified'
6,
Bequires
"N"
optlon
and
neutral
current
sensor'
o
O;;;
command
uses
alarm
relay
output
and
restricts
use
for
other
alarm
-
frn"tions.
Close
command
requires
electrically
operated
breaker'
Logging
eharacteristic
Trip
lod
Event
lod
Alarm
l6d
Min/Max
l^d
Tvne of l\.4emorv
O Non-volatlle
Active
Active
Non-voLati
e
lnformation
Stored
Last
three
tripping
Approxl-
mately
ten
events
2)
Yes
Last
alarm
relay
Mrn/Max
lor all
real{ime
meas-
rrrarl narametert
Time-Stamped
at
Trip
Unit
Yes
NO
No
ACC essib
e Via
BS-485
Comm.
Port
Local
BDU
Comm.
Porl
Yes
Yes O
Yes
No
No@
Yes
Yes
Yes
opt
opt
opt
Self-Powered
Overcurrent
Protectlon
RMS
Sensing
Switchable
Thermal
MemorY
Ground
Fault
Protection
LCD
Target
Protective
Microprocessor
Watchdog
Pickup
LEDs
lone
lnterlochlnq
u
opt
opt
l.
BS-485
Communications
Port
Breaker
DlsPlaY
Unit
Port
a
Communlcations
Microprocessor
Watchdog
Comm
Watch
LED
Backup'
Shadow"
Protection
Trip
Log
Alarm
RelaY
OutPut
0
Trip
Unit
Status
lndrcation
Breaker
Posttion
Indication
Breaker
OPeration
Counter
Communication
OpenlCloseiTrip
OO
Event
Log
Phase
Current
Meterlng
Ground
Current
Metering
@
Neutral Current
Meterlng
G)
Power
IVeterlng
Functions
Min/Max
Power
Log
Extended
Protective
RelaYing
Extended
TriP
Log

Siemens Static Trip III Specifications

General

Brand	Siemens
Model	Static Trip III
Category	Circuit breakers
Language	English