LFE 2000 Series - Page 43

958-31
REV.
B
Remove
the
Input/0utput
(I
per
instructjon
in
Sect
brackets.
)
/0)
board
and/or
the
ion
1.
l0
and
make
CPU
board
from
the
following
CPU
BOARD
FOR
SSR1
lJ11
R15
R16
c]
J7&J8
c17
R1B
the
electronic
assembly
changes.
(LFE
p/N's
rn
I/O
BOARD
FOR
SSR2
u12
R51
R52
c17
J17
&
J2B
c25
R31
1,
Ril'l0VE
triac
assembly
2,
Rfl'l0V[
resistor
390Q
3,
REI'|OV[
resistor
2,Zk
4.
Ril'{0V[
capacitor
,04
pF
5,
ADD
jumpers
(1835-106)
6,
RIPLACI
capacitor
with
,002uF
(305-439)
7,
RTPLACI
resistor
with
390Q
OBZZ-3II)
4.2.3
MODIFICATION
TO
ADD
A
SECONDARY
SOLID_STATE
RELAY
(SSR2)
Kit
I82l-79
is
available
from
the
factory
containrng
al1
solid-state
relay
(SSR2
with
I
Amp
output)
to
the
I/O
to
a
basic
controrrer
with
a
part
number
of
XX-3000-xx00
Remove
the
Input/Output
(IlO)
board
Section
l.l0
and
make
the
following
from
the
electronic
changes.
(LFE
p/N's
the
parts
necessary
to
add
a
board.
Thls
kit
may be
added
or
XX-5000-
XX00.
assembly per
instruction
in
rn
brackets.
)
l.
)
{
4.
(
6.
'l
q
10.
11.
lz.
ADD
optical
isolator
U1l
ADD
resistor
R3t
-
47Q
tl2lW
5%
ADD
capacitor
C25-
.04
UF
500V
ADD
trlac
Ui2
ADD
triac
heatsink
ADD
resistor
R5l
-
390fJ
1/4t^/
ADD
capacitor
C17-,04
UF
600V
ADD
resistor
R52-2,2K
ll4W
CHANGE
resistor
R4g
to
lg00
l/4t{
0PEN
solder
bridge
J33
ADD
resistor
R50
-
l.5k
ll4Vl
ADD
transistor
Q6
-
2N3904
2036-320)
1822-470)
305-e7
)
2036-458
)
r95r-t25
)
lB46-391
)
30s-97
)
1846-222)
1846-181
)
r846-7
52)
2036-7
6)
2.4
MODTFICATION
qF
ssR
To
DC
TRTGGER
OUTPUT
Many
applrcatrons
require
a
3
to
32
VDC
solid-state
relay
module.
Kit
lg21-123
solrd-
state
relays
(SSRI
or
SSR2)
to
The
part
number
or
configuration
number
relay
codes
for
this
option
to work.
output
for
driving
an
external
higher
current
may
be
added
to
either
of
the
internal
I amp
provide
an
approximate
l8 VDC
trigger
output.
must
also
be
set
for
any
of
the
solj-d
state
Note
that
this
modificatj-on
does
not
provide
isolation
slnce
the
external
solid
state
reJ.ay
is
expected
to
provide
the
isolation.
LFE
Instrunents
Division
-3
6-