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ASCII/GPIB Code Tables

 
 
 

IEEE 488 Command Messages and Address Table

 
Hex
Dec
ASCII
Message/Address
00
0
NUL
01
1
SOH
GTL
02
2
STX
03
3
ETX
04
4
EOT
SDC
05
5
ENQ
PPC
06
6
ACK
07
7
BEL
08
8
BS
GET
09
9
HT
TCT
0A
10
LF
0B
11
VT
0C
12
FF
0D
13
CR
0E
14
SO
0F
15
SI
10
16
DLE
11
17
DC1
LLO
12
18
DC2
13
19
DC3
14
20
DC4
DCL
15
21
NAK
PPU
16
22
SYN
17
23
ETB
18
24
CAN
SPE
19
25
EM
SPD
1A
26
SUB
1B
27
ESC
1C
28
FS
1D
29
GS
1E
30
RS
1F
31
US
CFE
20
32
SP
MLA0
21
33
!
MLA1
22
34
"
MLA2
23
35
#
MLA3
24
36
$
MLA4
25
37
%
MLA5
26
38
&
MLA6
27
39
'
MLA7
28
40
(
MLA8
29
41
)
MLA9
2A
42
*
MLA10
2B
43
+
MLA11
2C
44
,
MLA12
2D
45
-
MLA13
2E
46
.
MLA14
2F
47
/
MLA15
30
48
0
MLA16
31
49
1
MLA17
32
50
2
MLA18
33
51
3
MLA19
34
52
4
MLA20
35
53
5
MLA21
36
54
6
MLA22
37
55
7
MLA23
38
56
8
MLA24
39
57
9
MLA25
3A
58
:
MLA26
3B
59
;
MLA27
3C
60
<
MLA28
3D
61
=
MLA29
3E
62
>
MLA30
3F
63
?
UNL
40
64
@
MTA0
41
65
A
MTA1
42
66
B
MTA2
43
67
C
MTA3
44
68
D
MTA4
45
69
E
MTA5
46
70
F
MTA6
47
71
G
MTA7
48
72
H
MTA8
49
73
I
MTA9
4A
74
J
MTA10
4B
75
K
MTA11
4C
76
L
MTA12
4D
77
M
MTA13
4E
78
N
MTA14
4F
79
O
MTA15
50
80
P
MTA16
51
81
Q
MTA17
52
82
R
MTA18
53
83
S
MTA19
54
84
T
MTA20
55
85
U
MTA21
56
86
V
MTA22
57
87
W
MTA23
58
88
X
MTA24
59
89
Y
MTA25
5A
90
Z
MTA26
5B
91
[
MTA27
5C
92
\
MTA28
5D
93
]
MTA29
5E
94
^
MTA30
5F
95
UNT
60
96
`
MSA0, PPE
61
97
a
MSA1, PPE, CFG1
62
98
b
MSA2, PPE, CFG2
63
99
c
MSA3, PPE, CFG3
64
100
d
MSA4, PPE, CFG4
65
101
e
MSA5, PPE, CFG5
66
102
f
MSA6, PPE, CFG6
67
103
g
MSA7, PPE, CFG7
68
104
h
MSA8, PPE, CFG8
69
105
i
MSA9, PPE, CFG9
6A
106
j
MSA10, PPE, CFG10
6B
107
k
MSA11, PPE, CFG11
6C
108
l
MSA12, PPE, CFG12
6D
109
m
MSA13, PPE, CFG13
6E
110
n
MSA14, PPE, CFG14
6F
111
o
MSA15, PPE, CFG15
70
112
p
MSA16, PPD
71
113
q
MSA17, PPD
72
114
r
MSA18, PPD
73
115
s
MSA19, PPD
74
116
t
MSA20, PPD
75
117
u
MSA21, PPD
76
118
v
MSA22, PPD
77
119
w
MSA23, PPD
78
120
x
MSA24, PPD
79
121
y
MSA25, PPD
7A
122
z
MSA26, PPD
7B
123
{
MSA27, PPD
7C
124
|
MSA28, PPD
7D
125
}
MSA29, PPD
7E
126
~
MSA30, PPD
7F
127
DEL
 
Message Definitions
CFE
Configuration Enable (This multiline interface message is part of the IEEE 488.1-2003 specification and supports the HS488 high-speed protocol.)
CFG
Configure (This multiline interface message is part of the IEEE 488.1-2003 specification and supports the HS488 high-speed protocol.)
DCL
Device Clear
GET
Group Execute Trigger
GTL
Go To Local
LLO
Local Lockout
MLA
My Listen Address
MSA
My Secondary Address
MTA
My Talk Address
PPC
Parallel Poll Configure
PPD
Parallel Poll Disable
PPE
Parallel Poll Enable
PPU
Parallel Poll Unconfigure
SDC
Selected Device Clear
SPD
Serial Poll Disable
SPE
Serial Poll Enable
TCT
Take Control
UNL
Unlisten
UNT
Untalk