Subheader; Data Length Setting - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

■Subheader

The RJ71EN71 or the RnENCPU (network part) automatically adds and deletes the subheader, the setting is not required.
Data Format
Binary code
ASCII code

■Data length setting

Shows the amount of data in the text (command) section.
• When exchanging data with binary codes: Maximum 5113 words
• When exchanging data with ASCII codes Maximum 2556 words
Command (external device  RJ71EN71 or
RnENCPU (network part))
⋅⋅⋅
b7 b7
0 1 1 0 0 0 0
60H 00H
Subheader
⋅⋅⋅
b7 b7
0 1 1 0 0 0
"6" 6H "0"
36H 30H 30H 30H
Subheader
Response (RJ71EN71 or RnENCPU (network
part)  external device)
b0 b0 b7 b7
0 1 1
b0 b0 b7 b7
0 0 1 1
0H 0H 0H "E"
1.5 Communications Using the Fixed Buffer
⋅⋅⋅
b0 b0
1 0 0 0 0 0
E0H
Subheader
⋅⋅⋅
b0 b0
1 0 0 0 0 0
EH "0" 0H
45H 30H
Subheader
1 FUNCTIONS
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