© Adam Equipment Co Ltd 2018
15
4.10 RS-232 INTERFACE
SWZ
scales include a bi-directional RS-232 interface. The scale can be controlled by sending
commands from a PC when connected via an RS-232 cable. See section 4.10.1.
Specifications:
RS-232 output of weighing data
ASCII code
Adjustable Baud rate, 600, 1200, 2400,
4800
, 9600 and 19200 baud
8
data bits No Parity
Connector:
9
pin D-subminiature socket
Pin 3 Output
Pin 2 Input
Pin 5 Signal Ground
4.10.1 Input commands format
The scale can be controlled with the following commands. The commands must be sent in
upper case letters.
T<cr><lf>
Tares the scale to display the net weight. This is the same
as pressing
[Tare]
key.
Z<cr><If>
Sets the zero point for all subsequent weighing. The display
shows zero.
P<cr><lf>
Prints the results to a PC or printer using the RS-232
interface.
4.10.2 RS-232 Setup
The RS-232 interface uses parameters set by the user for language, currency symbol, baud
rate, date format and label format of the printout.
Press and hold the
[Print]
key for 4 seconds to access the parameters. Press
[Print]
to scroll
through the options and
[Tare]
↵
to confirm the change and then advance to the next
parameter.