Mitsubishi Melsec-L Series User Manual page 75

TT (ACPU common command)
Start data sent
by the external device
E
(Data name)
N
External
Q
device side
H L H L
0 0 F F T T
(Example)
05 30 30 46 46
H H H H H
(Data name)
CPU module side
(Example)
6 - 30
Two characters (hexadecimal) ... Designate the number of characters (1 to 254) of return data to be
Designate with a character string consisting of "0" to "9" and "A" to "F" (upper case)
Loopback data
The same
data as those
in Character
length
H L
0 0 5
A B C D E
54 54 30 30 35 41 42 43 44 45
H H H H H H H H H H
Character A part
The
same data
Start data to be sent by
the CPU module side
sent immediately afterward.
(In the case of Format 1)
Sum check
code
Two characters (hexadecimal)
H L
8
7
37 38
H H
S
T
X
H L H L H L
0 5 A B C D E
0 0 F F
02 30 30 46 46 30
H H H H H H
Character B part
6 SETTING AND WIRING
E
Loopback data
Sum check
The same
code
data as those
T
in character
A part
X
H
A
35 41 42 43 44 45 03 41 33
H H H H H H H H
L
3
H
6 - 30