Delta Electronics ASDA-B2 series User Manual page 278

ASDA-B2
RTU Mode:
Command message:
Slave Address
Function
Starting data
address
Content of data
CRC Check Low
CRC Check High
Please note that a silent interval of more than 10ms is required before and after data
transmission in RTU mode.
Example 3
Function code: 10H, write N words (multiple words). The maximum value of N is 10.
For example, writing continuous 2 words, 0BB8H and 0000H from starting address 0112H
and address 0113H.
ASCII Mode:
Command message:
Start
Slave Address
Function
Starting data
address
Number of data
(In Word)
Number of data
(In Byte)
Content of 1st data
Content of 2nd data
Revision September 2013
info@varitel.com - www.varitel.com - Tel. (54) 11-4243-1171 / Fax: (54) 11-4292-7545
Manuel Baliña 456, Lomas de Zamora (B1832CCJ) Buenos Aires, Argentina.
VARITEL INGENIERIA ELECTRONICA S.A.
01H
06H
02H (Upper bytes)
00H (Lower bytes)
00H (Upper bytes)
64H (Lower bytes)
89H (Lower bytes)
99H (Upper bytes)
':'
'0'
'1'
'1'
'0'
'0'
'1'
'1'
'2'
'0'
'0'
'0'
'2'
'0'
'4'
'0'
'B'
'B'
'8'
'0'
'0'
'0'
'0'
Chapter 8 MODBUS Communications
Response message:
Slave Address
Function
Starting data
address
Content of data
CRC Check Low
CRC Check High
Response message:
Start
Slave Address
Function
Starting data
address
Content of data
LRC Check
End 1
End 0
01H
06H
02H (Upper bytes)
00H (Lower bytes)
00H (Upper bytes)
64H (Lower bytes)
89H (Lower bytes)
99H (Upper bytes)
':'
'0'
'1'
'1'
'0'
'0'
'1'
'1'
'2'
'0'
'0'
'0'
'2'
'D'
'A'
(0DH)(CR)
(0AH)(LF)
8-11