Delta-electronics VFD-M Manual do Utilizador Página 68

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    VFD-M …………..………………………….…… . 68
END1
END0
 :
END1= CR (ODH), ENDO= LF(OAH)
RTU режим:
START   -  10 
ADR  : 8-bit 
CMD
 :
8-bit 
DATA (n-1)
…………..
DATA0
 :
n x 8-bit . n<=25
CRC CHKLow
CRC CHK high
CRC  :
16-bit    2- 8-bit 
END   -  10 
3.2. ADR ( ):
        0 ... 254.
   0 –     (AMD) ,
 ,          .
 ,    16 decimal:
ASCII : (ADR 1, ADR 0)=’1’,’0’ => ‘1’=31H, '0'=30H
RTU : (ADR)=10H
3.3. CMD ( ) DATA ( ):
      .    -
03H,  N .   N  12.  ,   2
    2102H AMD  01H.
ASCII режим:
 :  :
STX ‘:’ STX ‘:’
ADR 1 ‘0’ ADR 1 ‘0’
ADR 0 ‘1’ ADR 0 ‘1’
CMD 1 ‘0’ CMD 1 ‘0’
CMD 0 ‘3’ CMD 0 ‘3’
‘2’ ‘0’
‘1’
 
( )
‘4’
‘0’ ‘1’



‘2’ ‘7’
‘0’ ‘7’
‘0’
 
 

2102H
‘0’
‘0’ ‘0’


( )
‘2’ ‘0’
LRC CHK1
‘D’
 
  2103H
‘0’
LRC ‘7’ ‘0’
END 1 CR LRC CHK 1 ‘7’
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