Delta Electronics AC Motor Drive VFD-M ‫دليل االستخدام page 44

ASCII
N<=25 maximum of 50 ASCII codes
ASCII
END 1 = CR (0DH), END 0 = LF (0AH)
n<=25 ,
.
43
( 3AH
ASCII
:
8 – bit
10mSec
8 – bit
8 – bit
n ×8-bit
:
8-bit
10mSec
0
.
( ADR 1 , ADR 0) = 1 , 0 => 1 =31 H ,0 =30 H
(
:
01 H
) :
:
8 – bit
:
n × 8-bit
LCR
:
:
:
:
CRC CRC CHK LOW
16-bit
CRC CHK HIGH
: (
. 254 0
( : ) 16
( ADR ) = 10 H
) (
.
.
2102 H
3 .
:
: ASCII
STX
ADR 1
ADR 0
CMD 1
CMD 0
DATA (n-1)
.....
DATA 0
LCR CHK 1
LCR CHK 0
END 1
END 0
: RTU
START
ADR
CMD
DATA(n-1 )
.....
DATA 0
END
) ADR
.
: ASCII
: RTU
) CDM 3.4
N = 03 H :
. 12 N
3.1
3.2
3.3
: