9 - 38
MELSEC-F
WHEN COMMUNICATING DATA USING THE MC PROTOCOL
9
9 - 38
9.4.3 PLC model name read (command: 15)
The examples shown in this section explains the control procedure for reading the
model name of the PLC.
The order and content of data items of the areas marked by " " shown in the control
procedure diagram differ depending on the module used as well as the frame and
format used for communication.
See the detailed information described in Subsection 9.1.2.
[Control procedure]
(1) Data communication in binary code
(2) Data communication in ASCII code
POINT
Distinguish the PLC model name by the model name code.
"F3
H
", which is the model code of FX
3U
/FX
3UC
, is read as the PLC model name.
"F4
H
", which is the model code of FX
3G
, is read as the PLC model name.
(Data name)
External device
side
(Example)
(Data name)
(Example)
PLC side
Subcommand
PC No.
Monitoring
timer
Complete code
Subcommand
FF
H
0A
H
00
H
L
H
95
H
15
H
00
H
F3
H
00
H
PLC model name
Model name of
FX
3G
/FX
3U
/FX
3UC
(Data name)
F
31
H
1
35
H
5
46
H
46
H
30
H
0
30
H
0
30
H
0
41
H
A
F
H
L
H
L
39
H
9
35
H
5
30
H
0
30
H
0
46
H
F
33
H
3
30
H
0
30
H
0
H
L
External device
side
(Example)
(Data name)
(Example)
PLC side
Subcommand
PC No.
Monitoring
timer
Complete code
Subcommand
PLC model name
Model name of
FX
3G
/FX
3U
/FX
3UC