LFE 2000 Series - Page 42

4.1
958-31
REV.
B
SECTION
4
.
CONTROLLER
SELECTION
AND
OUTPUT
MODIFICATION
The
Serles
2000
controllers
have
three
distinct
types
of
output:
solrd-state
relay
(sSR)
output(s),
analog
output(s)
and electrornechanical
relay
alarmltiner
output(s).
Except
for
certain
models
where
the
circuit
board
or
output
terminals
are
reserved
for
special
functions,
a
wide
variety
of combinations
of these
outputs
are
available
either
fronr
the
factory
or
by
rnodifying
one
of
the
stocked
controllers
followrng
lnstructlons
in
thi"s
section.
A11 models
use
the
same hardware
arrd
these
modificatrons
apply
to
arl
moders
unress
specificalry
exernpted.
c0frulOLLER
SELECTT0N
When
selectlng'
a
M0DIFICATI0N
CONTR0LLER
for
an
applicat,ion,
it
rs
frrst
necessary
r.()
rdetrt-rfy
the
correct
model
to
fulf111
the
required
functrons.
Refer-to
the
controller
'specrf
ications
in
Sectron
1.7
in
order
to mat,ch
the
crrstonrer's
r-equirements
against
the
appropriate
LFE
model
nurnbers.
For
each
nodel
except
rnodels
2005'2Ol),
2o14,
2015
and
2017,
controllers
are
stocked
wrth
three
basrc
confiBuratlons
of
outpllt.
These
stocked
output
configurations
are
as fol
lows:
prrnrary
SSR,
prirrrary
analog,
and
pritnary
analog
and
secondary
analog
outputs.
whr
le
these
standard
conblnatlons
will
flll
nany
orders
without
modifical
ion,
the
instruct'ions
in
this
section
detatl
MODIFICATI0N
cENTER
changes
to
add
or
change
thr:
outptrts
to
match
the
customer
requlrements.
Refer
to
sectlon
2
for
stocked
unit
pai-t
uumbers.
Af ter
ranging per
Section
3,
rnodif
ying
t,he
outputs
per
sect
rons
4 arrd
5,
al1
cotrtrollers
must
be
configured
and
calibrated per
section
6
and adjusted
and
tested
per
Section
7.
ThCrC
ArC
IlO
StOCKCd
MODIF'ICATION
CONTROLI,ERS
Refer
to
Section
4.5.3
for
instruction
for
Model
2014,
Models
2005,
2013
and
2017
must
SOt,I
D_.STATE
RELAY
AND
RELATED
OUTPLITS
PRIMARY
for
Models
2005,
the
modification
of
be
ordered
from the
2013,
2015
or
20]17.
a Model
2015
fronr
a
factory.
!+.2
4.2.1
I
_ryP_
lsB
!u_lt!rf
Select
a controller
from
XX-1000-XX00.
The
I
modrfrcation
is
required.
thr:
list
in Sectir_rrr
2 having
anpere prinrary
SSR
relay
ts
a
part
number
of
ttre
type,'
factory
instal
led
and
no
4.?.2
MODIFICATION
FROM
I
A]'IP
SSR
TO 50
MA
SSR
When
the
lnternal
SSR
is
used
to
operate
an external
sotid-
state
rr:lav
or
sensrtrve
corl
AC
relal',
two
potential
problems
may
affect
the
operatiol
of
the
relay.
I
. The
J eakage
current
through
the
internal
SSR
when
j
t is
turrrecl oFF
nray lle
hrgh
enough
that
the
external
relay
is
trrrned
0N conttrruously.
)
The
low
power
consumption
of
the
external
SSR
may
cause
the
jilternal
SSR
to
turn
OFF
due
to insufflcient
holdrng
current.
Wherr
erther
of
these
problems
occurs,
the
followlng
modlfrcatiorr
is
suggested.
Thls
nrodl
f
rcation
may
be
perf
orrned
on either
the
primary
or secondary
s,sR.
-35-
LFE
Instruments
Dlvrsiorr