Communication With A Computer; Rs232 Interface - Accurist W3300 Series Operating Manual

6. Communication with a Computer

The basic keyboard functions can be accessed via the RS232 interface. The
following commands are available:
U：Unit ......... units conversion
T：Tare ......... deduct the tare weight
C：Cal ......... calibration with external standard weight
P：Print ......... print function
%：% ......... percent function
# ：# ......... instant print
M：Count......... counting function
When a balance is connected to a computer, it is suggested that immediate print
(#) be used. In response to this command the balance will transmit whatever
number or message appears on the balance display.
The string format output is shown below:
A B C D E F G H I J K L M
A： +/- signs field; usually no display as a space when it is a positve number, -
is displayed when it is a negative number.
B~G： number and decimal field; spaces are used when there are less than six
digits.
H~I： spaces field
J： unit field; it describes the units of the number being transmitted. Your
balance will transmit G for grams, O for ounces, C for carats.
K： stable character; it corresponds to the "OK" indicator on the display. S
means the reading is stable, space means the reading is not
stable.
L： r e t u r n c h a r a c t e r
M： line feeds character; it indicates the line feeds.
7-1 The RS232 Interface Hardware:
This balance adopts the transmit and receive lines of standard RS232.
The data format is 1 start bit / 8 data bits include parity / 1 stop bit
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