Delta ASDA-A2 Series User Manual

Chapter 9 Communications ASDA-A2
Revision February, 2017 9-9
Example 1: function code 03H, access multiple words:
The Master issues the command to the 1
st
Slave and reads the continuous 2 words starting from
the start address 0200H. In response message from the Slave, the content of starting address
0200H is 00B1H and the content of the 2
nd
data address 0201H is 1F40H. The maximum allowable
data in one single access is 10. The calculation of LRC and CRC will be described in next chapter.
ASCII Mode:
Command message (Master): Response message (Slave):
Start ‘:’ Start ‘:’
Slave Address
‘0’
Slave Address
‘0’
‘1’ ‘1’
Function
‘0’
Function
‘0’
‘3’ ‘3’
Starting data
address
‘0’
Number of data
(In Byte)
‘0’
‘2’ ‘4'
‘0’
Content of
starting data
address 0200H
‘0’
‘0’ ‘0’
Number of data
(In Word)
‘0’ ‘B’
‘0’ ‘1’
‘0’
Content of
second data
address 0201H
‘1’
‘2’ ‘F’
LRC Check
‘F’ ‘4’
‘8’ ‘0’
End 1 (0DH)(CR)
LRC Check
‘E’
End 0 (0AH)(LF) ‘8’
End 1 (0DH)(CR)
End 0 (0AH)(LF)

Delta ASDA-A2 Series Specifications

General

Brand	Delta
Model	ASDA-A2 Series
Category	Servo Drives
Language	English