Chapter 9 Communications ASDA-A2
Revision February, 2017 9-13
RTU Mode:
Command message (Master): Response message (Slave):
Slave Address 01H Slave Address 01H
Function 10H Function 10H
Starting data
address
01H (High)
Starting data
address
01H (High)
12H (Low) 12H (Low)
Number of data
(In Word)
00H (High)
Number of data
(In Word)
00H (High)
02H (Low) 02H (Low)
Number of data
(In Byte)
04H
CRC Check Low E0H (Low)
CRC Check High 31H (High)
The first data
content
0BH (High)
B8H (Low)
The second data
content
00H (High)
00H (Low)
CRC Check Low FCH (Low)
CRC Check High EBH (High)
Please note:
Before and after the transmission in RTU mode, 10ms of silent interval is needed.