Configuring Communications
Lasair II Particle Counter Operations Manual Page 7-5
TCP/IP Remote Mode Enable this check box to cause Facility Net to treat this
instrument as a “Remote Instrument”. When connected to Facility Net, stored data will be
downloaded, and Facility Net will then disconnect. Enable TCP/IP must also be checked.
For details about changing the Enable TCP/IP check box, see “Preparing for On-
Line Operation” on page 7-10.
See “Using the Remote Mode” on page 7-7 and “Preparing for Remote Mode” on
page 7-8 for more details about using the Lasair II particle counter in Remote mode
and information regarding Facility Net requirements.
To support pharmaceutical operations, the Lasair II particle counter can be
configured to generate 0.5 and 5.0 μm channel data only. For more information, see
Appendix H, "Pharmaceutical (Two-channel) Output Mode".
Serial Communication Setup Screen
This screen allows selection of the RS-232 port interface protocol, and other serial
communications selections. Changes in serial interface mode are accepted
immediately, without the need to reboot the instrument.
Mode — This group box contains radio buttons which allow selecting one of five
different uses for the RS-232 serial port. Each button is described below.
Setup This function is for service, and does not provide any user functions. In
earlier versions of Lasair II particle counter firmware (Ver. 1.3.4 and before), this
was labeled “Lasair II”. The instrument can be left in this mode, if there is no need
to use the serial communications.
LASAIR II This sets the serial port to the native Lasair II communications mode.
In older firmware (Ver. 1.3.4 and earlier) the “Lasair II” title was used to refer to the
“Setup” mode mentioned above. This mode allows starting and stopping the
Figure 7-3: Comm Setup Screen-Serial Page
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