Lasair II Particle Counter Operations Manual Page A-5
There is an incompatibility between the Lasair II particle counter and older versions
of a DLL used by Facility Net. To determine if your Facility Net software is
compatible with your Lasair II particle counter, complete the following steps:
1 Start Facility Net and connect to the particle counter.
2 Select “About” under the “Help” menu.
3 Look at the scroll-down list and find the “pdrvlpen.dll” file. If the listed version
number (to the right of “Label”) is LESS than 2.9.10 (that is, 2.9.08 or 2.9.07),
call your Particle Measuring Systems representative or distributor.
M.When attempting to use the web browser-to-Lasair II particle counter
interface, you are blocked by a request for a password even though the
password has been disabled on the particle counter.
If a password has been assigned, it is always enabled in the web browser even if it
is disabled on the Front Panel.
N. When using the web browser-to-Lasair II particle counter interface, the
web page does not update properly.
Internet Explorer 5.x saves the image of a page when you open it. The next time
you open that page Internet Explorer displays the saved version rather than
updating the page with new data.
To reload the page with new data, press and hold down both the Ctrl and Alt keys
while clicking on the refresh button.
O. Troubleshooting Network Connections
4 Verify the correct network address, gateway and mask on the Comm Setup
Screen. Also ensure that TCP/IP and/or Web Server buttons are checked.
NOTE:
TCP/IP is DISABLED when the statistics mode is on.
If the statistics mode is on, turning it off, will re-enable the TCP/
IP. The Web Server is not disabled when statistics is on. For
TCP/IP remote mode, the “Enable TCP/IP” button must also be
on.
5
Check for an active network link. On the RJ-45 network plug to the Lasair II
particle counter, verify that the green LED is on. The yellow LED will blink
when information is transmitted or received.
6 Try pinging the instrument. From an MS-DOS prompt type “ping
aaa.bbb.ccc.ddd”, where aaa.bbb.ccc.ddd is the network address.
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