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MELSEC-F
WHEN COMMUNICATING DATA USING THE MC PROTOCOL9
9 - 34
(2) Communication in ASCII code
Y20
30
H
35
H
46
H
46
H
30
H
30
H
30
H
41
H
30
H
33
H
30
H
30
H
35
H
39
H
32
H
30
H
31
H
30
H
37
H
42
H
32
H
39
H
35
H
32
H
32
H
30
H
31
H
41
H
34
H
33
H
34
H
45
H
30
H
30
H
30
H
30
H
30
H
30
H
31
H
32
H
30
H
30
H
38
H
35
H
30
H
30
H
Designated device
R26
Current value of CN18
1234
H
50
H
31
H
32
H
33
H
34
H
35
H
30
H
0111101100101001
Y20Y27Y30Y37
HL
H
--
L
30
H
30
H
30
H
30
H
30
H
30
H
30
H
30
H
30
H
30
H
30
H
30
H
05FF000A03005920 107B295220 1A1234000000 000000
HL
H
--
L
--------
H
--
L
H
--
L
--------
H
--
L
H
-
L
HL
434E000000120050
--------- --
HL
8
5
00
(Data name)
External device
side
(Example)
Subheader
PC No.
Number of
device points
Monitoring
timer
(Data name)
PLC side
(Example)
Subheader
Complete code
to to
Y20 (Octadecimal) = 10 (Hexadecimal)
Designated device Device dataDevice data
(ON/OFF
designation)
Device dataDesignated device