Mitsubishi MELSEC Q Series Reference Manual page 353

External device
side
(Data name)
Programmable
controller CPU side
(Example)
External device
side
(Data name)
Programmable
controller CPU side
(Example)
3 - 293
3 WHEN COMMUNICATING USING THE QnA COMPATIBLE 3E/3C/4C FRAMES OR 4E FRAME
(b) Transmitting word device data
The examples shown in this section explain the transmission of word
device data D0 to D3 (four points) by D0 = 99, when the programmable
controller CPU monitoring shown in Section 3.17.2 is registered.
1) Communication in ASCII code
• When the "Word/byte units designation" in GX Works2 or GX
Configurator-SC is set to "0" (word units)
S
T
X
H L H L H – – L H L H
0 0 F E 2 1 0 2 0 2 0
02 30 30 46 45 32 31 30 32 30 32 30
H H H H H H H H H H H H
Registered count
(6 characters)
– – – – L H – –
H
D 0 0 0 0 0 0 0
0 0
44 2A 30 30 30 30 30 30 30 30 30
H H H H H H H H H H H
• When the "Word/byte units designation" in GX Works2 or GX
Configurator-SC is set to "1" (byte units)
S
T
X
H – – L H L H
H L H L
0 2 1 0 2 0 2 0
0 F E
32 31 30 32 30 32 30
02 30 30 46 45
H H H H H H H H H H H H
Registered count
(6 characters)
H – – – – L H – –
D 0 0 0 0 0 0 0
0 0
30
44 2A 30 30 30 30 30 30 30 30
H
H H H H H H H H H H
: Fixed value
L H L H L
1 0 0 0 0
31 30 30 30 30
H H
H H H
Data read
(Word device 1 block)
D0 value D1 value D2 value
(hexadecimal) (hexadecimal) (hexadecimal)
L H – – L H – – L H – – L
4 0 0 0 8 1 0 3 0 1 5 4 5
34 30 30 30 38 31 30 33 30 31 35 34 35 32
H H H H H H H H H H H H H
: Fixed value
L H L H L
1 0 0 0 0
31 30 30 30 30
H H H H H
Data read
(Word device 1 block)
D0 value D1 value D2 value
(hexadecimal) (hexadecimal) (hexadecimal)
L L – – H L – – H L – – H
4 0 8 0 0 3 0 1 0 4 5 1 5
34 30 38 30 30 33 30 31 30 34 35 31 35 30
H H H H H H H H H H H H H
E
T
X
D3 value
(hexadecimal)
H – – L H L
2 8 C 2
0 0
38 30 30 03 43 32
H H H H H H H
E
T
X
D3 value
(hexadecimal)
H L
L – – H
0 0 C 2
2 8
30 32 38 03 43 32
H H H H H H H
3- 293