
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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