CPC 810-1020 Manual - Página 5
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16Af
Power Requirements.
Each
16AI
reqires
1OVAC
and draws
a
maximum
of
0.75A.
CPC,
Inc.
recommends
a
20VAC,
2.AA, center
tap transformer
(T1-
below)
to
power
2 16AIrs. A
2-
conductor shielded
wire
(20
gauge
Belden
#9L54
or
L6 gauge
Be1den #87L9
for long runs)
should be
used
to
connect
the transformer, T1, to the
L5AI
Power
Connector.
t-t_______
tzovAc
I
*r
l-------
!_l-------
e.
Connecting
the
Inputs.
16AI
Power Connectors
l_6Ar
#r
L6A1
#Z
Acr.
(
1-)
Acl
(
r_)
ov
(2)
0v
(2)
Ac2
(3)
Ac2
(3)
ON
OFF
The
input
conections
are
numbered
l- to 32.
Grouped
in pairs, the
odd
numbered
inputs are
conmon and
even
numbered
inputs are signal.
The
terminal
block
on
the
end
of the
board
with
4-5VDC
and
4-I-2VDC
conections
can be used
to
power sensing devices
such
as pressure transducers.
The
total
load
available
from
this terminal block is
320
milliamps.
The
maximum
load
from any one connection on the
terminal block is
.L00
mA.
For
example,
5
pressure
transducers
requiring
5
volt
references could
be
connected
to a single
5
volt
connector on the
terminal block as long
as
each
transducerrs
load
does
not
exceed 20
mA.
2.
1,602
Expansion Bus Device Hardware
Setup.
Any
device
communicatiing on
the
Expansion Bus
with
the
L6AI
board(s) will
have
to
have
a
matching baud
rate.
The
L6O2 MCUts
baud
is set using
switches 3
and
4
on the
Digital I\O
Board.
See
the
rt1602
llonitor
and Control
Systemrr
Manual,
FfG.2-21
.
BAUD
POSITION
34
12
00
2400
*4800
9500
1-
I-
Q=
00
L0
0L
1L
4