LFE 2000 Series - Page 38

958-31
REV.
B
3.6
MODIFICATIONS
TO
ADD REMOTE SETPOINT
INPUT
The rernote
setpoint
input option
can
be
added
to all Serles 2000
controllers except
an
early
Model
2010
with 1685-1
EPR0M or
Models
2005,
2012,
2013, 2074,
2015
and
2017.
Early
Model
2010's with
1685-2
EPROM
and
usinr
raw
I/0 board
1650-415 Rev.
C
and
earlier
require
special
procedures.
Contact the
factory
for
speclal
i-nst
ruc
t ions
.
Rernove
the
Input/output
(I/0)
board
frorn
the electronic
assembly
per
j-nstruction
in
section
1.10
and
rnake
the
following
changes.
(LFE
p/N's
in
brackets.)
I
.
ADD
capacitor
Ct
,
C2
.47UF-50V
(
305-250
)
.
2,
ADD
capacrtor
C29
4.lVf
(
105-340
)
.
3.
REMOVE
jumper
J36.
4.
REMOVE
relay
Kl
(jf
ALM2
is
present).
5.
ADD
junrpers
.t29,
J30
(
1835-106).
6.
ADD
resistor
R45
.tk-L,Z
(1849-13).
7.
ADD
resrstor
R6l
40.2k-l%
(1849-4022).
8.
ADD reslstors
Rl7,Rl8
for
voltage
or
current
input
ranges
per
Table l-1.
9.
ADD
jumper
wire
from
426 to
ground
end
of R2l.
N0TE:
Modificatron
for
remote
setpoint
input
requires
removing
an
alarnr
relay
(ALM2)
to
provide
rnput terminals
for
the renclte
input.
R17
(LTE
P/N)
1
vDC
200k-1?
(1849-25)
66,5k-1?
(i849-6652)
200k-1?
(1849-25)
10,5k-1?
(1849-1052)
5 VDC
100k-1?
(1849-15)
5,21k-1?
(1849-52i1)
11k-1?
(i849-113)
1k-1?
(1849-13)
i0 vtrC
200k-1?
(1849-25)
5,11k 1?
(184q-5111)
10,5k-1?
(1849-1052)
\k-r|
(1849-13)
5 mADt
JUtlPER
(1835-106)
49,9Q-1"t
(1849-4999)
1000-1?
(1849-12)
104-1?
(184i-11)
20 mADC
JUiilPtR
(1815'106)
12,40-1?
(1849-1249)
24,ag-l'?
(1849-2499)
?.59.-f,"
(184i-259)
100 mArrc
JUI'rpiR
uBi5-106) 2,54-1?
(1847-259)
5A-1?
(1847-50)
0,5a-1?
(ig47-59)
'Iable
3-3
DC
REMOTE
SETPOINT
INPUT
RESISTORS
NOTE:
Use 5V
range
values
for 1/5
VDC
input
ranges.
3.7
Wry!.l{llqry!_FRqry_IHEryqlOuPLE
INpur
r0 SEL_[:!Q!EB!L
4/20
mA rNpur
Thrs
nodlfication provides
a separate
non-retulatecl
isolated
power
supply
to
produce
the excitation
for
an exl,ernal
2- wire
transmitter.
The
porder
supply
pCB
and other
parts
needed
to
make
this
modificat
ron
are
contained
in
kit 182 I
-1
18.
This
nrodj-frcatlon
may
not
be added
to
controllers
wrth
dlgjtal comrnunicattons,
input or
analog
output
j-solation
or remote
start/stop
option.
FULt
RA|.lGI
STIPOINT
INPUI
R1B
(LTt
P/N)
0.1' RESOLdIIO|,l RTD
]"
RISOLUI
ION
RTD
ALt OTHTRS
-3
1-
LFE
Instruments
Dlvision