Mitsubishi MELSEC LJ71C24, User Manual

Page: 75 / 428

6 - 30 6 - 30
6 SETTING AND WIRING
CPU module side
(Example)
(Data name)
External
device side
Start data sent
by the external device
TT (ACPU common command)
Two characters (hexadecimal) … Designate the number of characters (1 to 254) of return data to be
sent immediately afterward.
Designate with a character string consisting of "0" to "9" and "A" to "F" (upper case)
(In the case of Format 1)
Two characters (hexadecimal)
Character A part
The
same data
Start data to be sent by
the CPU module side
Character B part
S
T
X
E
T
X
02
H
30
H
30
H
46
H
46
H
30
H
35
H
41
H
42
H
43
H
44
H
45
H
03
H
41
H
33
H
H L
0 0 H L
F F H L
0 5 A B C D E
H L
A
3
E
N
Q
41
H
42
H
43
H
44
H
30
H
37
H
38
H
A B C D E
H
L
7 8
35
H
45
H
30
H
54
H
54
H
46
H
46
H
30
H
30
H
05
H
H L
0 0
H L
F F T T 0 0 5
H L
Station No
.
PC No.
Command
Message wa
it
C
haract
er l
ength
Loopback data
The same
data as those
in Character
length
Sum check
code
Station No
.
PC No.
C
haract
er l
en
gth Loopback data
The same
data as those
in character
A part
Sum check
code
(Example)
(Data name)