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9. SPECIFICATION OF OUTPUT INTERFACE
Mode:
ElA-RS-232 C’s UART signal, or USB signal.
Format:
Baud rate: 2400 BPS ,4800 BPS
Data bits: 7 BITS
Parity bit: 1 EVEN
Stop bit: 1 BIT
Code: ASCII
RS-232 connector is a 9 pin D-subminiature socket.
Input Pin 2
Output Pin 3
Signal Ground Pin 5
Starting bit LSB data bit MSB Parity bit Stop bit
DATA FORMAT:
HEAD1 , HEAD2 , DATA UNIT CR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
HEAD1 (2 BYTES) HEAD2 (2BYTES)
OL-Overload, NT-NET Mode
ST-Display is Stable GS-Gross Weight
US-Display is Unstable
DATA(8BYTES)
2D (HEX)=”-”(MINUS) 20(HEX)=” ”(SPACE)
2E (HEX)=”.”(DECIMALPOINT)
UNIT(4BYTE)
g-20 ( HEX ) ; 20 ( HEX ) ; 20 ( HEX ) ; 67 ( HEX )
Ib-20 ( HEX ) ; 20 ( HEX ) ; 6c ( HEX ) ; 62 ( HEX )
Tl.T-74 ( HEX ) ; 6C ( HEX ) ; 2E ( HEX ) ; 54 ( HEX )