Mitsubishi Electric MELSEC-L SERIES Basic User Manual page 136

(a) Format
• Communications using a binary code
Communication
request source
Communication
request destination
• Communications using an ASCII code
Communication
request source
Communication
request destination
134
Application data area
(command message)
2 bytes
2 bytes
Data length
Subheader
setting
L H L H
Application data area
(command message)
4 bytes 4 bytes
Subheader Data length
setting
H - - L H - - L
Maximum of
1017 words
Text
(command)
Subheader
1 byte
Application data area
Maximum of
1016 words
Text
(command)
Subheader
H
2 bytes
Application data area
End code
1 byte
(Response)
End code
L H L
2 bytes
(Response)