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III.DATA OUTPUT
3.1 SERIAL PORT CONNECTION
BALANCE PC
RXD
2 …………………………………… 3
TXD
3 …………………………………… 2
GND
5 …………………………………… 5
3.2 The steps of connecting to computers:
1. Click the
“start menu “
Program
Attachments
Communication
HyperTerminal
2. Enter a name: ICON SELECTION, Click OK
3. Ignore the previous column ,Select "connection with a (N) : com 1" ,Click OK:
(1) Baud rate :1200
(2) Data bits :8
(3) Parity: No
(4) Stop bit :1
(5) Data flow control : hardware
Click OK, display the current weighing value
3.3 Balance data output mode setting:
The output mode of the balance is continuous.
3.4 The output sequence of one frame data of the balance is as follows:
1 Frame header(
’E’)
Fixed
2
Space
（
0X20
）
Fixed
3 stable state
* (unstable),Space stable
）
4 Symbol +,-,Space
5-13 Weighing data Decimal point included,
Meaningless front 0,print space
14 Space Fixed
15-17 Weighing unit
18 0x0d Fixed
19 0x0d Fixed