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Remote Operation via HP-IB
Table 2-2. HP-IB Addresses
Device
Binary
Address Characters
Address
Address
Talk
Listen
0
0000 0000
@
Space
1
0000 0001
A
!
2
0000 0010
B
3
0000 0011
C
#
4
0000 0100
D
$
5
0000 0101
E
%
6
0000 0110
F
&
7
0000 0111
G
8
0000 1000
H
(
1
)
9
0000 1001
10
00001010
J
11
00001011
K
+
12
00001100
L
13
00001101
M
14
00001110
H
15
00001111
0
/
16
0001 OQOO
P
0
17
18
0001 0001
0001 0010
0
1 (HP 3325B default address)
19
0001 0011
S
3
20
0001 0100
T
4
21
22
0001 0101
0001 0110
U
5 (typically the controller)
V
6
23
0001 0111
W
7
24
0001 1000
X
8
25
0001 1001
Y
9
26
0001 1010
Z
27
0001 1011
28
0001 1100
\
<
29
0001 1101
30
0001 1110
>
The talk and listen addresses fall within the printable ASCII character set. When a device
receives one of these characters while ATN is true, it becomes addressed. The ASCII
character '7" (ASCII 31) unaddresses all devices while ATN is true. The device address
(set from the HP 8325B front panel) is used by HP-IB controllers, most of which
automatically send the talk and listen address characters.
Viewing the HP 3325B HP-IB Address
The li^-IB address is stored in a nonvolatile memory location(there are no address switches).
Ihe address appears in the display when you press [Bus Adrs] key ([Shift] [Local]).
2he dlspfa
message is removed from the display by pressing another key that requires
2-6
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