Installation - Advantech PCLD-788 User Manual

Relay multiplexer board
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CHAPTER
2. INSTALLATION
2.1. Initial Inspection
Inside the shipping
container,
you should
find this operating
manual
and the PCLD-788
card.
The PCLD-788
was carefully
inspected both
mechanically
and electrically
before shipment.
It should
be free of
marks
and scratches
and in perfect electrical
order on receipt.
When
unpacking,
check
the
unit
for
signs
of shipping
damage
(damaged box,scratches,
dent, etc).
If there is damage to the unit or
it fails to meet
specifications,
notify our service
department
or your
local
sales
representative
immediately.
Also,
call
the
carrier
immediately
and retain
the shipping
carton
and packing
material
for
the inspection
by the carrier.
We will make arrangements
to repair
or replace the unit.
Remove
the PCLD-788
interface
card from its protective
packaging
carefully.
Keep the anti-vibration
package.
Whenever
you are not
using the board, please store it in the package for protection.
Discharge
any static electricity
by touching
the back of the system
unit before you handle
the board.
You should
avoid contact with
materials
that
create
static
electricity
such
as
plastic,
vinyl,
and
styrofoam.
The board should
be handled
only by the edges to avoid
static electric discharge
which
could damage the integrated
circuits on
the PCLD-788.
2.2. Connector
CNI :
Sixteen channels
of input (CHO to CH15).
CN2 & CN3:
CN2 and CN3 are 20 pins connectors
and the both
have
same
pins assignment.
The
signals
on
these
connectors are multiplexer
control signals and the pin
assignments
are described as Fig. 2-2-1.
The bits C3
to CO are
used
as
multiplexer
channel
selection
control.
The binary value of C3 to CO corresponds

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