Mitsubishi Electric FX3U-ENET-ADP, Руководство пользователя

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7 Communication Using MC Protocol
87
FX
3U
-ENET-ADP User's Manual
1
Introduc
tion
2
Specifi
cation
3
Sy
stem
Configurati
on
4
Ins
tal
lation
5
Wi
rin
g
6
Introduction of Functi
on
s
7
C
omm
uni
cation
U
sing
M
C
Protocol
8
The O
perati
on
of G
X
W
ork
s2
9
Troubl
es
hooti
ng
A
Li
st of S
peci
al
Dev
ices
7.7 Loopback Test
2) Performing a loopback test while communicating in ASCII code
Caution
The loopback data transmitted by an external device is returned to the external device as is.
31
H
36
H
46
H
46
H
30
H
30
H
30
H
41
H
6
H
F
L
F 1
H
0 0
L
A 0
L H L H L H L H
39
H
36
H
30
H
30
H
6
H
0
L
0 9
L H L H L H L H
(Data name)
External device
side
(Example)
(Data name)
(Example)
PLC side
Subheader
PC No.
Monitoring
timer
Complete code
Subheader
Data length
(1 to 254 bytes)
Head send data
Second send data
Last send data
Data length
(1 to 254 bytes)
Head send data
Second send data
Last send data
(Designated byte length 2)+10bytes
(Designated byte length 2)+6bytes
*
*