Advanced Instruments 3320, User Manual

Page: 84 / 92

To disable the LIMS feature, repeat this procedure and change the con-
dition setting to “
OFF
”.
Output format
Serial Port Status
Once the LIMS mode is activated, all standard serial port messaging is
suspended (unless Factory mode or FLASH UPDATE mode has been
activated). Each serial port message string is sent in ASCI II format.
The data exchange of the serial port remains in accordance with
ANSI/TIA/EIA standards.
LIMS Messages
Once the LIMS mode is activated, all serial port messaging is conduct-
ed using one of four message types: Status, Result, Calibration, and
Error. Each field within the message is delimited with the vertical bar
symbol “|”, with no preceding or trailing spaces. The end of each mes-
sage string is automatically terminated with an ASCII II carriage return
and line feed (CR/LF).
Except for the last calibration message, all date and time stamps are at
the time the serial message is issued. Date and time stamps contained
on the instrument printout and in dedicated memory locations may dif-
fer slightly. The calibration message includes the last calibration date
and time as stored in instrument memory.
•
Message Type: STATUS
The STATUS message is issued during the power-up sequence, upon
entering and exiting standby, start and end of calibration, start and
end of tray testing, and exit from instrument setup if any changes
have been saved.
The message is initiated using the uppercase letter ‘S’, contains a
delimiter between each segment, and is terminated with CR/LF. The
contents of the message include the message type, date, time, com-
64
Advanced ® Micro-Osmometer Model 3320 User’s Guide