Siemens Static Trip III - Configuration and Monitoring; Recalibration and Reprogramming Procedures; Password Protection Implementation; Remote Monitoring and Programming

Metering
and
Extended
Protective
Relaying
Power
Factor
Scale
UnltY
Leadng
-0.01
'002 003
-098
-099
+l 00,
+099
+098
'+003
+002'
+001
Lagqng
Power
Factor
alarm
characterlstics:
Alarm
pickuP-1 range:
-.01
-
+ 01
Alarm
pickuP
-2
range.
-
01
-
+.01
Recalibration
and
ReProgramming
tiporti.g
piogtu,
"od"-in
the
trip
unit's
metering
board
norruf
fi*if
f n"ot
require
recalibration
of
metering
functions
io*"u,it
in the
unlikely
event
that
the
metering
board
micro-
orocessor
should
have
to
be
replaced,
the
trip
unit
must
be
I"trrn"o
i"
il
e
factory
for
recalibration
and
reprogramming
of
tf,"
."t"ting
proteciive
relaying,
and
alarm
functions
to the
factory
default
settings
Calibration
of
the
trip
unit's
metering
functions
can
be
done
at
the
customer's
site
if the
customer
has
the
proper equipment'
irll
"quip."nt
requirements
are
a 3-phase
current
and
volt-
ug"
.orr""
accurate
lo
114%
or
better
with
output
ranges
of
o"zioo
o.sooO,
and
1.000
amps
and
300
volts'
The
phase
ang-f
eLetween
each
current
and
voltage
must
be
adjustable'
N"Z"..uty
delays
are
0o,
90o,
and
-90'
C-onsult
a Siemens
r""tgy;,{O
Automation,
lnc
sales
office
or
field
service
office
for
more
informatlon.
Password
Protection
Data
can
be
read
by
anyone
using
the
remote
communl-
"utiona
port with a
master'device
such
as
the
Power
Monitor
pun"f
-.ji
,.ing
the
local
communicatrons
port
with
a
BDU
device
Changing
the
configuration
such
as
current
sensor
rating
alarm
i'imils,
extended
protective.relaying
set-points'
or
tri-p
unit
address
can
be
done
only
after
entering
a user-
O"iinLJ
pr..word, Passwords
are
stored
in
the
master
device
G-;
F;;;i
MonitorrM
panel) and
in
the
trip
unit
for
the
BDU
display
accessory.
Remote
Monitoring
and
Programming
The
communications
port
on
the
back
of the
trip
unit
provides
un
inoritty
ttandard
ifS-+gs
interface
for
remote
monitor
and
"onttof
equipment
The
remote
equipnent
mqV
be
a
Power
Vonitor"
panel
personal computer
(PC), or
LAD
display
unit
inlfl"-Si"*"ns
A'CCESS"
system,
The
Power
MonitorrM
unit
is a
microprocessor-controlied
display
and
monitoring
de-
ui""
tf,ut
provides
real-time
data
display,
discrete
input
status
Oisptay,
event
logging,
and
programming
of
field
de-
ui"""*t.rrcf",
Irovide
cirCuit
piotection
and
protective
relaying
for
industrial
AC
power systems.
For
detailed
information
see
tfre
power
MonitorTM
lnsiruction
and
Operation
Guide'
SG-
+Of A
ff,"
ACCESSTM
electrlcal
distribution
communications
ry.t",
provides the
capability'to
monitor
and
manage
the
"iiii"
po*"t distribution
networks
of
energy-intensive
facili-
ties.
lniormation
on
the
ACCESST''r
system
ts
contained
in the
ACCESSTT/
Bulletin,
SG
3099.
Local
Monitoring
and
Programming
[ocat
monitoring-and
progiammlng
can
Qe
done
with
a
por-
table
PC or
with
a
Breaker
Display
Unit
(BDU) The
communt-
tution.-pott
on
the
back
of
the
tiip
unit
provldes access
for
G
-poriaOfe
PC.
The
lsolated
Multi-DroprM
converter
by
6i"run.
may
be
used
to
provide an
RS-485
to
RS-232
inter-
face
for the
PC.
The
BDU
is a simple
and
convenient
device
for
reading
the
melereO
data
and
trip
unit
log.
The
BDU
can
also
be
used
to
iet
the
configuration
parameiers
and
set-points
of the
alarms
and
extended
protective relaying
functions
Delay
time:
Min,
model
type
req.:
Measured
Parameter:
1-255
sec
CP
PF
The
Power
Factor
alarm
has
2
pickup
values,
each
of
which
can
be
programmed to
any
point
along
the
scale
The
Power
Factor
alaril
will
go
activewhen
the
measured
power
Iactor
(eF)
falls
outside
oJ the
pickup
points
set
along
the
scale
for the
programmed delay
time.
The
following
examples
illustrate
'pi"firp
settings
and
corresponding
alarm
regions
along
the
power
factor
scale.
Example
1
eacl no
-0
01
0 02
-O
03.
O.9B
O
99
+1 00,
+O'99
+0 98
-O 03
+O 02
+0'01
Lagg
ng
-'*
:;;;;,
I
H:#i'. I
Ararm*esion
PckuP
1
Pckup-2
Example
2
Lead
ng
'0
Ol 0 02
O 03
. 0
98 0.99
+T
'00
+0'99
+O 98
+0 03
+0
02
+0-01
Lagg
ng
ardrr
Bes o-
I
):"^":
I
Alarn
qeoion
Pckup
1
Pckup-2
Example
3
Leadng
-'O0l -0.02
-003..-098
-0.99
+1'00.
+099
+098
+003'
+002
+0'01
Lagqng
Ard'^
FFq on
I
I:"^"t;"
|
'o
a'r
ceoo-
a
,
a
pc
o-2
Note
that
the
Power
Factor
alarm
is
disabled
if l>k
is below
15"k
or
above
1257o
of
sensor
rating
or
V**
is below
l5%
of
V SCALE
Event
Log
-
The
event
log
uses
active
memory
with
the
capacity
td nominally
record
the
10
most
recent
alarm
events'
tf dny
oi
the
preceding alarms
go
active,
the
time
the
alarm
weniactive,
the
namsof
the
alarm
function,
and
the
values
of
the
measured
parameters associated
with
the
alarm
are
wrltten
into the
event
log.
lf an
alarm
causes
the
alarm
relay
to close,
an
additional
event
is written
signifying
that
the
relay
has closed
and
indicating
which
alarm
caused
the
closure'
When
an active
alarm
goes inactive,
the
name
of the
alarm
and
the
time
that
the
alarm
went
inactive
is
written
into
the
log'
lf
the
alarm
going inactive
results
in a
closed
alarm
relay
being
opened
a"n
aO"ditionat
event
is
written
indicating
which
alarm
caused
the
relay
to
open
and
the
time
it was
opened
Upon
request
the
event
log
information
is
sent
to the
master
device
such
as
a
Power
MonitorrM
panel, via the
RS-485
bus'
The
event
log
is not
accessible
with the
BDU
Breaker
Display
Unit,
(see
Alarm
Log
below).
Alarm
Log
-
A
separate
alarm
log
is mqntained
by
the
trip
unit
foruse
UyIne
aOU
display
accessory.
This
log
records
the
last
action
which
caused
the
alarm
relay
to close'
This
includes
the
15 alarm
f unction
actions
plus
remote
closing
or
opening
of the
alarm
relay
via a
command
f rom
a
master
device
using
the
RS-
485 bus.
zo