Specifications

Confi
g
urin
g
The Instrument 2-3
NOTE
If the instrument is to be shipped to Racal Instruments for
calibration or repair, attach a ta
g
to the instrument identif
y
in
g
the owner. Note the problem, s
y
mptoms, and service or repair
desired. Record the model and serial number of the instrument.
Show the work authorization order as well as the date and
method of shipment. ALWAYS OBTAIN A RETURN
AUTHORIZATION NUMBER FROM THE FACTORY BEFORE
SHIPPING THE INSTRUMENT TO RACAL INSTRUMENTS.
Preparation For
Use
Preparation for use includes removin
g
the Model 3152 from the
container box, selectin
g
the required lo
g
ical address and installin
g
the module in a VXIbus chassis.
Lo
g
ical Address
Selection
The VXIbus Chassis Resource Mana
g
er identifies modules in the
s
y
stem b
y
the module’s address. VXIbus lo
g
ical addresses can
ran
g
e from 0 to 255, however, addresses 1 to 254 onl
y
are reserved
for VXIbus modules. Lo
g
ical address 0 is reserved for the Resource
Mana
g
er. Lo
g
ical address 255 permits the Resource Mana
g
er to
d
y
namicall
y
confi
g
ure the module lo
g
ical address.
To chan
g
e the Model 3152’s lo
g
ical address, use the 8-position DIP
switch accessible from the top side of the module near the rear end
of the case (switch S1). Fi
g
ure 2-1 shows the location of the lo
g
ical
address switch. The switches are marked with numbers 1 to 8. The
Model 3152 uses binar
y
values (2 to 2 ) to set the lo
g
ical address
0 7
usin
g
the active low address switch. A switch is active when its arm
is placed in the ON position.
Racal Instruments ships the Model 3152 with lo
g
ical address 2.
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