Delta C200 Series User Manual page 221

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DATA (n-1)
CRC CHK Low
CRC CHK High
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:
STX
Address
Function
Starting address
Number of data
(count by word)
LRC Check
END
RTU mode:
Address
Function
Starting data address
Number of data
(count by world)
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Contents of data:
n×8-bit data, n<=16
.......
DATA 0
CRC check sum:
16-bit check sum consists of 2 8-bit characters
END A silent interval of more than 10 ms
Command Message:
'0'
'1'
'0'
'3'
'2'
'1'
'0'
'2'
'0'
'0'
'0'
'2'
'D'
'7'
CR
LF
Command Message:
01H
03H
21H
02H
00H
02H
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Chapter 11 Description of Parameter Settings|C200 Series
':'
Address
Function
Number of data
(count by byte)
Content of starting
address 2102H
Content of address 2103H
LRC Check
Address
Function
Number of data
(count by byte)
Content of data
address 2102H
11-122
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Response Message
STX
END
Response Message
sales@deltaacdrives.com
':'
'0'
'1'
'0'
'3'
'0'
'4'
'1'
'7'
'7'
'0'
'0'
'0'
'0'
'0'
'7'
'1'
CR
LF
01H
03H
04H
17H
70H