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HP 1630A User Manual

HP 1630A
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Model
1630A/D/G

An
HP-113
Overview
INTRODUCTION
The
HP
Interface
Bus
(HP-113)
provides
an
interconnecting
channel
for
data
transfer
between
devices
on
the
HP-IB
.
The
following
list
defines
the
terms
and
concepts
used
to
describe
HP-113
(bus)
system
operations
.
HP-IB
SYSTEM
TERMS
1
.
Addressing
-
The
characters
sent
by
a
controlling
device
specifying
which
device
sends
information
on
the
bus
and
which
device(s) receives
the
information
.
2
.
Byte
-
A
unit
of
information
consisting
of
8
binary
digits
(bits)
.
3
.
Device
-
An
unit
that
is
compatible
with
the
ANSI/IEEE
488-1978Standard
.
Appendix
B
An
HP-1B
Overview
4
.
Device
Dependent
-A
response
to
information
sent
on
the
HP-113 that
is
characteristic
of
an
individual
device's
design,
and
may
vary
from
device
to
device
.
5
.
Operator
-
The
person
that
operates
either
the
system
or
any
device
in
the
system
.
6
.
Polling
-
The
process
typically
used
by
a
controller to
locate
a
device
that
needs
to
interact
with
the
controller
.
There
are
two
types
of polling
:
"
Serial
Poll
-
This
method
obtains
one
byte
of
operationalinformation
about
an
individual
device
in
the
system
.
The
process
must
be
repeated
for
each
device
from
which
information
is
desired
.
Parallel Poll
-
This
method
obtains
information
about
a
group
of
devices
simultaneously
.
INTERFACE
BUS
CONCEPTS
Devices
which
communicate
along
the
interface
buscan
be
classified
into
three
basic
categories
.
1
.
Talkers
-
Devices
whichsend
information
on
the
bus
when
they
havebeen
addressed
.
2
.
Listeners
-
Devices
which
receive
information
sent
on
the
bus
when
they
have
been
addressed
.
3
.
Controllers
-
Devices
that
can
specify
the
talker
and
listeners
for
an
information
transfer
.
Controllers
can
be
categorized
as
one
of
two
types
:
"
Active
Controller
-
The
current
controlling
device
on
the
bus
.
Only
one
device
can
be
the
active
controller at
any
time
.
System
Controller
-
The
only
controller
that
can
take
priority
control
of
the
bus
if it
is
notthe
current
active
controller
.
Although
each
bus
system
can
have
only
one
system
controller,
the
system
can
have
any
number
of
devices
capable
of
being
the
active
controller
.

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HP 1630A Specifications

General IconGeneral
BrandHP
Model1630A
CategoryMeasuring Instruments
LanguageEnglish

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