Delta CP2000 Series, User Manual

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Chapter 12 Description of Parameter Settings

CP2000
12.1-09-4
RTU mode
START Defined by a silent interval of more than 10 ms
Address Communication address: 8-bit address
Function Command code: 8-bit command
DATA (n-1)
Contents of data:
n × 8-bit data, n ≤ 16
…….
DATA 0
CRC Check Low CRC checksum:
one 16-bit checksum consists of 2 8-bit characters
CRC Check High
END Defined by a silent interval of more than 10 ms
 Communication Address ( Address )
00H: broadcast to all AC drives
01H: AC motor drive of address 01
0FH: AC motor drive of address 15
10H: AC motor drive of address 16
:
FEH: AC motor drive of address 254
 Function (Function code) and DATA (data characters)
03H: read data from register
06H: write single register
10H: write continuous multiple data
Example: Reading two continuous data from register address 2102H, AMD address is 01H.
ASCII mode:
Command Message: Response Message
STX ‘:’ STX ‘:’
Address
‘0’
Address
‘0’
‘1’ ‘1’
Function
‘0’
Function
‘0’
‘3’ ‘3’
Starting register
‘2’ Number of register
(count by byte)
‘0’
‘1’ ‘4’
‘0’
Content of starting
register 2102H
‘1’
‘2’ ‘7’
Number of register
(count by word)
‘0’ ‘7’
‘0’ ‘0’
‘0’
Content of register
2103H
‘0’
‘2’ ‘0’
LRC Check
‘D’ ‘0’
‘7’ ‘0’
END
CR
LRC Check
‘7’
LF ‘1’
END CR