Delta VFD11AMS21AFSHA, User Manual

Page: 265 / 445

Chapter 12 Description of Parameter Settings
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MS300
(High Speed Model)
12-09-4
RTU mode:
START 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 CHK Low CRC check sum:
16-bit check sum consists of 2 8-bit characters
CRC CHK High
END A silent interval of more than 10 ms
Communication Address (Address)
00H: broadcast to all AC motor 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 code (Function) and DATA (Data characters)
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: 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
LF