46
3. Selecting the transmission to PC at user command, it is achieved a transmission
output only when the
button is pressed, also in this case it is possible to
perform all the functions of the balance directly from the keyboard of the computer,
sending to the balance the ASCII codes in the table above. The connector to use for
connection to PC is the number 1 (fig.1 pag. 49).
4. Connection of the balance to PC
To receive/transmit data, connect the connector 1 (fig.1 pag. 49) of the balance to the
serial port of the PC as shown below:
5.
Transmission format
String transmitted is composed by the following 14 characters:
�
First character: weight sign (blank or-)
�
second/ninth character: weight or other data
�
tenth/twelfth character: weight unit symbol
�
thirteenth character: stability indicator
�
fourteenth character: carriage return
�
fifteenth character: line feed
Eventuale non-sign ificative zero are spaces.
6. In the following tables the various transmission formats are shown:
Weighing mode (valid both for continuous transmission and transmission at user
command
1°
)
2°
3°
4°
5°
6°
7°
8°
9°
10°
11°
12°
13°
14°
15°
Sign
Weight
Weight unit
Stability
CR
LF
Balance
side
Connector 1
2
3
5
6
4
3 2
7 6
20
PC
side
25 pins
Connector
Balance
side
Connector 1
2
3
5
6
4
2
3
5
6
4
PC
side
9 pins
Connector