6 - 10
MELSEC-F
FIXED BUFFER COMMUNICATION (WITH THE PROCEDURE EXIST
CONTROL METHOD)
6
6 - 10
(2) Subheader
The format of the subheader is as shown below.
The user does not need to set the subheader when using the Ethernet module
since the Ethernet module adds and deletes it.
b7 b6 b5 b4 b3 b2 b1 b0
Command/response flag
1
1
0
0
0
0
0
Command/response type
(The bit status indicated in the figure shows that
communication using fixed buffers is being performed.)
At command 0
At response 1
00
H
60
H
Subheader
Communication using
binary code
30
H
30
H
30
H
Subheader
Communication using
ASCII code
36
H
"6"
6
H
"0"
0
H
E0
H
Subheader
45
H
Subheader
30
H
"E"
E
H
"0"
0
H
Command
to
b7
b0
1
0
1
0
0
0
0
0
Response
to
b7
b0
1
1
1
0
0
0
0
0
to
b7
b0
1
0
1
0
0
0
0
0
to
b7
b0
1
1
1
0
0
0
0
0