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●Send/Receive Messages
[Frames of send/receive messages]
Send message (command)
STX
Node
16#02
No.
Controller
Reception message (response)
STX
Node
16#02
No.
[Relationship between send command (SendCmd instruction operand) and send message]
Local_cmd
Node No.
CWFdata
[0]
Local_cm
ddata
28
CompoWay/F
CPU→
command
SCU
→
STX
SCU
Destination
Device
16#02
(send data)
[Relationship between receive response (SendCmd instruction operand) and receive
message]
Destination
STX
Device →
Node
SCU
No.
16#02
(receive
data)
[0]
[1]
[2]
Local_re
cvdata
28
03
aa
Compo
Comm-
SCU→
Way/F
and end
CPU
command
code
Output_rec
Node
vCWFdata
No.
Sub
Command
SID
address
MRC
Command
Sub
End
address
code
MRC
Subaddress
[1]
[2]
[3]
[4]
03
AA
BB
CC
Node No.
Subaddress
Node
Sub
SID
No.
address
Sub
End
address
code
[3]
[4]
[5]
[6]
[7]
bb
AA
BB
CC DD
Node No.
Sub
address
Sub
End
address
code
MRC
Text
SRC
Response
Text
SRC
MRES SRES
Command
SID
MRC
[5]
[6]
[7]
[8]
DD
EE
FF
GG
SID
Command
MRC
Command
Text
MRC
SRC
Command
Response
MRC
SRC
MRES SRES
[9] [10] [11] [12] [13] [14] [15] [16] [17] ・
[8]
cc
dd
FF GG
HH
End code
Command
MRC
SRC
Response
Command
SRC
MRES
9．Program
ETX
BCC
16#03
Destination
Device
ETX
BCC
16#03
Text
SRC
・・
[9]
[10]
HH
II
**
Text
SRC
ETX
BCC
16#03
ETX
Text
BCC
16#03
II
ee
ff
gg
hh
**
Response
Text
MRES
SRES
Text
SRES
39
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