,.-
THE HP-IB
(cont)
The
12
HP-IB Messages
There are
12
specific
messages
that
can be
sent
via
the
HP-IB.
You
may
not
use
all
12,
nor
does
the
3314A
respond
to
all
12,
however,
knowledge
about
each is
required
if
you
wish
to
optimize
your
HP-IB system.
......
£.-,It
CUAI
CLEAR 7
CItU$e.
the
3314A
to reconfigure SII If
the
PRESET key
hlld
been
pressed
.
CLEAR
707
(1IIlIl THE CLEAR MESSAGE)
OUTPUT
707;"PR"
ClWI lllClatIT/SET
lOCAl.
LOCAL 7
Ena~
the
3314A'II
LOCAL key lind
swltchll8
all devices from remote to
k=ll
DlTA
~
OUTPUT
707;"CA·
ThIs message Is used to conftgUfe
the
3314A.
ThIs message Is IIIsa used
OUTPUT
707
;·
M02"
to make
the
3314A
retLWTl
InfOffiltltlon
IltQUlIsted with
query.
1-
OUTPUT
707;-
FR2MZ·
THE
DATA
MESSAGE)
OUTPUT
707;"QEA"
I.OClI.
LOCAL
707
Switches
control
of
the
331'M
from remote to focal.
ux:Al. lOCllllfT
LOCAL LOCKOUT 7
Dlseblas
the
3314A'.
LOCAL key to
I-IlCUfe
the
system from
c8SU1l1
OJMU'lItor
Interf9fllnca.
rAIAUB. I'Oll.
Controller request
that
8t1
devlcea previously programmed to
respond
,
end
their
Statull
Bit. The
3314A
does not respond.
rAn
ClWfUl
Shiftll
system
control
from one controller to another. The
3314A
doe8
not
respond.
IlOIClTE
REMOTE 7
Swltc!ln
control of
the
3314A
from local to remota
when
It Is
eddreued
. REMOTE
707
IIEOtUT
tEnIa
When
unmesked. one Of a combination
of
33
1
4A
operating condltlons can
eet
bull
IIoe SAO
true,
requ
astlng aervlce from the controller. (see THE
5TA
TU5
BYTE)
SUIW.
POll
Controller r8QUllSt
that
the
3314A
sand
Ita
Statu.
Byte
. Encoded
into
the
B
5TATUS
707;5
blta are
the
atates of severlll
3314A
operating parameter8.
1_
THE
STATUS
BYTE)
TlIll
COl1'M\!lIOIT l/8
ABORTlO 7
Unconditional
8asumptlon of
control
by
the
sy.teffi
controller; hllita all bue
actlvlty
. The
3314A
be<:_
unadd1enad.
Tti8EIl
TRIGGER 7
The
3314A
respond.
to a Hp·IB Trigger aa It would to eny other external TRIGGER
707
triggaer to
getll
the
output
signal
on or
off
,
atan
N or
1/2
Cycle
bunts
lind OUTPUT
707;"
MN"
start
single sweeps.
(.Illl
THE TRIGGER MESSAGEl
83
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