Mitsubishi Electric MELSEC iQ-R02CPU - 1.7 Communications Using MODBUS;TCP

1 FUNCTIONS
1.6 Communications Using the Random Access Buffer
105
1
• When exchanging data with ASCII codes
Command format (external device  RJ71EN71)
Response format (RJ71EN71  external device)
(H) (L)
--
(L)
-
(H)
-
30H31H36H 30H 00H 00H 31H 34H 00H 00H 00H 41H
Start address
Subheader
Data length
26143
20029
20021
20022
20020
(H) (L)
56H
9AH
9AH BCH
BCH
78H
12H 34H
29
6143
22
21
20
0
(L) (H) (L)
---
(H) (L)
--
(H)
-
(H) (L)
--
H
45H 31H 30H 30H
31 32H 33H 34H 35H 36H 37H 38H 39H 41H 42H 43H 39H 41H 42H 43H
20000
Text (20 words)
(10 words)
Subheader
End code
ASCII-binary conversion
Physical address Logical address
Random access buffer