Delta ASD-A2-0121 Series User Manual page 272

Chapter 7 Motion Control
If users desire to read / write the data array via communication, the operation procedure is similar
to that of the panel. Moreover, the functions of P5-12 and P5-13 are the same. If users desire to
write 6 data, 100, 200, 300, 400, 500, and 600 into the address of data array via Modbus
communication command 0x10 (continuous writing), the content of the issued command is as the
followings:
Content of Communication Command: Write into Data Array
No. Command
1 0x10
2 0x10
3 0x10
If users desire to read the value of data array in order to check the previous written content,
users can write the desired reading start address into P5-11 via MODBUS communication
command 0x06 (write 1 data). The issuing communication command is as the following:
Content of Communication Command: Set the Reading Address of Data Array
No.
4
Then, read the content of specified address by communication command 0x03 (continuous
reading). The issuing communication command is as follows:
Content of Communication Command:
Read Data Array
No. Command
5 0x03
6 0x03
7 0x03
The return value on the right-hand side of the above table represents the read parameters, P5-11,
P5-12, and P5-13, which is also the content of address 11 ~ 16 in data array.
Start Written
Add. Amount
6
P5-11
(Word)
The first address
6
P5-11
(Word)
The third address
6
P5-11
(Word)
The fifth address
Command
0x06
Start Read
Add. Amount
6
P5-11
(Word)
6
P5-11
(Word)
6
P5-11
(Word)
P5-11
Low High Low
Word Word Word
11 0
The first data
13 0
The third data
15 0
The fifth data
Start Add.
P5-11
P5-11
Low High
Word Word
11 0
Read address
13 0
Read address
15 0
Read address
P5-12
High Low
Word Word
100 0 200
The second
300 0 400
The fourth data
500 0 600
The sixth data
Written Data
11
Return Data
P5-12
Low High Low
Word Word Word
100 0 200
Data of
address 11 address 12
300 0 400
Data of
address 13 address 14
500 0 600
Data of
address 15 address 16
ASDA-A2
P5-13
High
Word
0
data
0
0
P5-13
High
Word
0
Data of
0
Data of
0
Data of
7-11