7 Communication Using MC Protocol
56
FX
3U
-ENET-ADP User's Manual
7.3 Message Formats and Control Procedures
<Note>
The following example shows the designation of the subheader to the monitoring
timer when communicating using MC protocol under the following conditions.
(Designated value)
• Target station :
FX
3U
/FX
3UC
series to which Ethernet adapter is connected : FFH
• Function used :
Device memory batch read (bit units) :
00H
• Monitoring timer value : 2500 ms :
000AH
1) Format when communicating in binary code
a) The order when sending a command (external device Ethernet adapter)
b) The order when receiving a response (external device Ethernet adapter)
Application data
00
H
FF
H
0A
H
00
H
64
H
00
H
00
H
00
H
20
H
4D
H
08
H
00
H
Header
(M)
(H)
(L)
(H)
(L)
(H)
(L)
Subheader PC number Monitoring
timer
Character field (command)
(Head device number)
(Device name)
Number of
device points
(Local station) (2500 ms)
(8 points)
(100)
80
H
00
H
10
H
10
H
01
H
10
H
M100(ON)
M107(OFF)
M101(OFF)
M106(ON)
M102(ON)
M105(ON)
M103(OFF)
M104(OFF)
Application data
Header
Subheader
Complete
code
Character field (response)
on/off status of the
designated device
(Normal
completion)
Summary of Contents for FX3U-ENET-ADP
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