THE
3314A's
HP-IB ADDRESS (cont)
Listen
Only
When
the
HP-IB address is incremented past
30,
the
3314A
switches
to Listen
Only and
displays"
L
-O".
In
this
mode,
the
3314A
receives
every
byte
of
informa-
tion
on
the
bus, and assumes
that
the code
was
intended
for
its
own
use. If infor-
mation
is
sent
to
the
3314A
that
it
can
not
understand,
the
3314A
will ignore
those
commands
and set
the
appropriate errors. If the
3314A
is addressed to
Talk,
the
bus
will
..hang
up"
because the
3314A's
Talk capability is overriden by
Listen Only. The primary application
for
Listen Only, is in a HP-IB system
with
a
Talk
Only
device, such as a card reader.
Device/Listen/Talk Addresses
Use
the
table
that
follows
if
you are using a controller in the
command
mode or a .
controller
that
requires
the
talk
and listen addresses instead
of
the
device address:
Table
5.
Hp·IB
Addrean
Devlce
T"
Uatu
0 @
SP
1
A
[
2
B
·
3
C
,
4 0 $
5 E
%
6
F
&
7
G
·
{3314A
factory
settlngl
8
H
t
9 I
}
10
J
·
11
K
+
12
L ,
13
M
·
14
N
15
0
I
18
P
0
17
Q
1
18
R 2
19
S
3
20
T
4
21
U 6
{usually the controllerl
22 V
8
23
W 7
24
X 8
25
y
9
26
Z :
27
(
;
28
\
<
29
I
~
30
"-
>
Listen Only
87
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