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5.7 COMPUTER INTERFACE ELECTRONICS INSTALLATION
The computer interface electronics are designed to interface the 5501A Laser Transducer Sys-
tem to a wide variety of digital processors (including a calculator if desired). Oriented toward
the Original Equipment Manufacturers (OEM), the individual components are selected and
assembled by the user for a specific application.
The computer interface electronics are subdivided into the following two types of systems:
a.
Counter-based system (10760A Counters).
b.
Comparator-based systems (10762A Comparator).
Refer to Section I configuration information to determine what equipment
is
included in your
system and use the applicable installation procedure to ensure proper installation.
The
computer
interface
electronics
include
any
system
selected
from
the
equipment
specified
in
Table
7-4
of
Section
I
(i.e.,
wired,
configured,
and
tested
by
the
end
user).
The
reason
this
distinction
is
made
is
that
it
i s
very
important
that
you
perform
the
installation
very
carefully
to
avoid
system
damage
or
malfunctions.
If,
for
example,
a
power
cable
i s
miswired,
it
can
very
easily
cause
equipment
damage.
Or,
if
the
address
jumpers
on
the
cards
are
not
correct,
the
system
will
not
function
properly.
5.8
Counter-Based
System
Installation
Perform
the
installation
of
a
counter-based
system
a s
follows:
a.
If
the
10740A
Coupler
is
t o
be
rack mounted
or
installed
in
a
cabinet,
refer
to
the
10740A
Coupler
Operating
and
Service
manual
for
dimensions
and
installation
instructions.
b.
Connect
the
+5V
power
supply
cable
between
the
power
supply
and
the
10740A
Coupler
rear
panel
terminal
strip.
c.
If
the
optional
5510A
Opt.
010
Automatic
Compensator
is
used,
connect
the
k15V
power
supply
cable
between
the
power
supply
and
the
10740A
Coupler
rear-panel
terminal
strip.
Connect
the
interface
cable
between
the
5510A
Opt.
010
and
the
10755A
Compensation
Interface.
d.
If
the
10783A
Numeric
Displays
are
used,
connect
the
+5V
power
cables
between
the
numeric
display
rear
panels
and
the
+5V
power
source
on
the
back
of
the
10740A
Coupler.
e.
Connect
the
+15V
power
supply
(if
used)
and
t5V
to
suitable
sources
of
ac
power.
Apply
system
power.
Verify
the
voltage
at
the
Coupler
rear
panel
is
+15V
dc
A0.25,
-15V
dc
k0.25,
and
+5,
+0.10,
-0.05V
dc.
Remove
system
power.
NOTE
To
connect
any
hooded
connector
to
a
circuit
card in
the10740A
Coupler,
pass
the
connector
through
the
slot
i n
the
rear
panel
of
the
coupler
and
install
it
on
the
front
edge
connector
of
the
applicable
card
(see Figure
5-5).
f.
Remove
the
front
panel
of
the
coupler
NOTE
All
10760A
Counter cards
are
supplied
with
the
NORMAL/
REVERSE
jumper
i n
the
NORMAL
position.
The
correct
position
for
the
NORMALmEVERSE
jumper
is
determined
during
sys-
tem
checkout.
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