Delta C2000 series User Manual page 343

Chapter 12 Description of Parameter Settings|C2000 Series
DATA (n-1)
.......
DATA 0
CRC CHK Low
CRC CHK High
END
Address (Communication Address)
Valid communication addresses are in the range of 0 to 254. A communication address equal to 0,
means broadcast to all AC drives (AMD). In this case, the AMD will not reply any message to the
master device.
00H: broadcast to all AC drives
01H: AC drive of address 01
0FH: AC drive of address 15
10H: AC drive of address 16
:
FEH: AC drive of address 254
Function (Function code) and DATA (data characters)
The format of data characters depends on the function code.
03H: read data from register
06H: write single register
Example: reading continuous 2 data from register address 2102H, AMD address is 01H.
ASCII mode:
Command Message:
STX
Address
Function
Starting address
Number of data
(count by word)
LRC Check
END
RTU mode:
Command Message:
Address
Function
Starting data address
Number of data
(count by world)
Contents of data:
n×8-bit data, n<=16
CRC check sum:
16-bit check sum consists of 2 8-bit characters
A silent interval of more than 10 ms
':'
'0'
'1'
'0'
'3'
'2' Number of data
(count by byte)
'1'
'0'
'2' Content of starting
address 2102H
'0'
'0'
'0'
'2'
Content of address 2103H
'D'
'7'
CR
LRC Check
LF
01H
03H
21H Number of data
02H (count by byte)
00H Content of data
address 2102H
02H
12-136
Response Message
STX
Address
Function
END
Response Message
Address
Function
':'
'0'
'1'
'0'
'3'
'0'
'4'
'1'
'7'
'7'
'0'
'0'
'0'
'0'
'0'
'7'
'1'
CR
LF
01H
03H
04H
17H
70H