Mitsubishi Electric MELSEC iQ-RJ71C24-R2 - Page 343

16 TRANSPARENT CODES AND ADDITIONAL CODES
16.5 Handling Transparent and Additional Codes for Bidirectional Protocol Data Communication
341
16
Ex.
The following example shows the data array when data is transmitted and received. (The transmission/reception portion of the
response message is omitted.)
When ASCII-BIN conversion is not performed
Ex.
When ASCII-BIN conversion is performed
(BC3AH)
(0212H)
05H 10H 02H 10H 02H 3AH BCH
L
00H 12H 0CH
01H
(0002H)
(H) (L)
H
E
N
Q
D
L
E
D
L
E
00H , 02H
02H , 12H
BCH , 3AH
LH
Target device C24
Head data
Buffer memory (transmission area/reception area)
Arbitrary data
Additional code
Transmission data
count/Receive data
count
Send
Data length Data section
Sum
check
code
Transmission data/
receive data
Delete
Addition
Receive
(The data count is in word units)
Additional code
(For 10H)
Transparent code
(For 02H)
(BC3AH)
(0212H)
05H
0
30H 32H
2
80H
HL
30H 30H
00
L
02H
H
(0002H)
(H) (L)
31H 32H 30H 10H 41H 42H 43H
0
32H 33H
223A
B
C1
D
L
E
E
N
Q
00H , 02H
02H , 12H
BCH , 3AH
Target device C24
Head data
Buffer memory (transmission area/reception area)
Arbitrary data
Additional code
Send
Transmission data
count/Receive data
count
Data length Data section
Sum
check
code
Conversion
Transmission data/
receive data
Delete
Addition
Receive
(The data count is in word units)
Transpare
nt code
(For 41H)
Additional
code
(For 10H)