PCE Health and Fitness LSM, User Manual

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15
13. Connecting a balance to a computer or a printer
The balance may send data to a computer or a printer via RS232C interface.
When cooperating with a computer, the balance
sends weighing result after initialising signal from a
computer or after pressing
key.
When cooperating with the balance, a computer
should be equipped with a program that enables
receiving and processing data from the balance.
AXIS offers computer programs to cooperate with balances. Demo versions and program
descriptions are available on the website:
www.axis.pl :
-
RS 232C Test – free serial port testing program,
-
ProCell – residual program for cooperation with Microsoft EXCEL and other Microsoft
Windows applications (demo version).
Detailed information for programmers:
The balance sends data with a following method:
Computer
→
Balance: initiation signal S I CR LF (53h 49h 0Dh 0Ah),
Balance
→
Computer: weighing result in the following format:
(16Bytes, LONG protocol - 8bits, 1stop, no parity, 4800bps),
Bytes description:
1
- „-„ mark or space
2 - space
3 4 - digit or space
5÷9 - digit, decimal point or space
10 - digit
11 - space
12 - k, l, c, p or space
13 - g, b, t, c or %
14 - space
15 - CR
16 - LF
RxD (receiver)
TxD (transmitter)
GND
Case
RS232C
1
2
3
4
5
6
7
8
9