When a balance is connected to a computer, it is suggested that immediate print #
be used. In response to this command the balance will transm it 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 positive 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 fields.
J:
unit field, it describes the units of the number being transmitted. Your
balance will transmit G for grams, O for ounces and C for carats.
K:
stable carácter, it corresponds to the OK indicator on the display. S means
the reading is stable, space means the reading is not stable.
L:
return character
M:
line feeds character, it indicates the line feeds.
RS-232 INTERFACE HARDWARE
This balance adopts the transmit and receive lines of standard RS-232.
The data format is:
1 start bit
8 data bits include parity
1 stop bit
The instruction to connect the balance to external device is as follows:
PIN DESCRIPTION
2 – TXD - - - scale transmits data
3 – RXD - - - scale receives data
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