Ascii Code - Mitsubishi MELSEC System Q Manual

Codes
4.4.2

ASCII Code

ASCII is the short form for American Standard Code for Information Interchange . In ASCII
code 7 bits can represent alphanumeric characters and also punctuation marks, miscella-
neous symbols and control characters.
Data in ASCII code is used to communicate with peripheral devices.
Bits 3 to 0
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
b6
Examples
0 0 1
3
b6
0 1 0
4
4 – 6
0 1
000 001
0000 NUL DLE
0001 SOH DC1
0010 STX DC2
0011 ETX DC3
EOT DC4
0100
0101 ENQ NAK
0110 ACK SYN
BEL ETB
0111
1000 BS CAN
1001 HT EM
LF SUB
1010
1011 VT ESC
1100 FF FS
CR GS
1101
1110 SO RS
1111 SI VS
b4 b3 b0
1 0 1 0 ASCII
0
4 Hexadecimal
„3" Character
b4 b3 b0
ASCII
0 0 1 1 1
7 Hexadecimal
„G" Character
An Introduction to Programming
Bits 6 to 4
2 3 4
010 011 100
SP 0
! 1 A
!! 2 B
# 3 C
$ 4 D
% 5 E
& 6 F
' 7 G
( 8 H
) 9 I
* : J
+ ; K
, < L
- = M
. > N
/ ? O
5 6 7
101 110 111
o
P p
Q a q
R b r
S c s
T d t
U e u
V f v
W g w
X h x
Y i y
Z j z
[ k {
\ l
] m }
n ~
o DEL
MITSUBISHI ELECTRIC