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Model5S2BA
Hp·
1B In
formation
18-2
A
listi
ng of the Measurement Di splay uni
t's
HP-IB capabilities, in
terms
of
Ihc IEEE 488 Interface
Function
Codes,
is given in Table 18·1
.
Table 18·1 Hp·IB
Capabilities
IEEE
Fu
nction
Code
M eaning
CO
No
Controller
Capability
T5
Basic Talker,
Serial
Poll, Talk
Only
Mode, Untalk
If
My
Listen
Address
l
4
Uaslc
Listener,
No Listen Only Mode,
Un
listen If My Talk Add
ress
5Hl
Source
Handshake
Capabi
lity
AHl
Acceptor
Handshake
Capabi
lity
5Rl
Service
Requcst
Capability
Rll
Remote-local Capability including Local
Lockout
PPO
No Para
llel Poll
Capabi
lity
DCl
Device Clear
Capabili
ty
DTl
Device Trigger
Capability
El
Open-collector Outpu
ts
DATA TRANSFER WITHOUT AN HP-IB CONTROLLER
Introduction
The
simplest
Hp·
1I1
arrangement consists
of one
" talker"
(in
this case
the Laser Measurement
System ), one "listener"
(typically a Printer
),
and no
"co ntroller".
In
this
configuration, data
transfer
is limited to direct transfer
from
the
"
talker"
to the
"
listener".
The Measurement
Disp
lay
unit
is
used in its
Hp·
IB "
T
A
LK·
ONl
Y" mode.
The
" Iistener"
device must have
"
lISTEN-ONl
Y"
capabili
ty
(indicated
by
IEEE
Funcl
ion
Code
ilL'" or
"
l3
").
Operation
of
this
type
of
arrangement requires no programm ing
knowledge.
Set-Up
1.
Set
the Measurement Display unit
to
TALK-ONlY, -
a.
Set
the
front-
panel LI
NE
switch to
OfF.
b.
Disco
nnect Ihe line cord
at
Ihe rear
of
Ihe unit.
c.
Using a POZ IDRIV screwdriver,
lo
osen the screw at the
rear
of
Ihe lap cover.
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