Mitsubishi Electric QJ71E71-100 User Manual page 180

(1) Format
• Communications using a binary code
2 bytes
Communication
Subheader
request
source
H
Communication
request
destination
• Communications using an ASCII code
4 bytes
Subheader
Communication
request source
H L 30
Communication
request destination
178
Application data area
(command message data)
2 bytes 2 bytes
Data length
Start address
setting
00 L H L
H
Application data area
(command message)
4 bytes 4 bytes
Data length
Start address
setting
H - H - -
30 - L
H H
Maximum of
1017 words
Text
(command)
(none at read
request)
H
Subheader
Maximum of
1016 words
Text
(command)
(none at read
request)
L
Subheader
H
2 bytes
(response)
End code
(none at write
Maximum of
1 byte
1 byte
1017 words
Application data area
(response)
(response)
End code
(none at write
request)
L H L
2 bytes Maximum of
1016 words
Application data area
(response)
Text
request)
Text