Sammic L-EQ 10, Owner'S Manual

Page: 33 / 119

ENGLISH 13
HOW TO DISABLE ALARM FUNCTION
Press key, when hi lmt? Is displayed press again key and alarm function will be disable
USE OF THE "PRINT" KEY
When press the
the scale send via serial port the displayed weight. Previously connect the serial
printer to the scale.
PC “SERIAL” COMMUNICATION
The following information will be usefull for users who make computer programs and require to
communicate with the scale.
HOW TO READ WEIGHT FROM THE COMPUTER.
Serial port technicals specifications.
1.- Asynchronous communication.
2.- Transmission and reception speed 9600 bps (baud rate).
3.- Polarity of the signal:
RS 232c mark: 1 logical (-3v to -12v)
Space: 0 logical (+3v to +12v)
4.- Length of the word:
5.- Bits sequence.
Connect the scale to the serial port [RS-232]
of the computer
Computer have to the send ‘P’ character in
ASCII code
Scale answer sending weight and the control
character (carriege return)
CR
Mark
Space
Start bit
End bit
Start bit
Data bits
Parity bit
End bit