Appendix D. Sending a New OS to the
NL240
Whenever a new operating system is released for the NL240, it will be
available from our website,
www.campbellsci.com/downloads
.
D.1 Sending an OS via USB
Follow these steps to send the new OS to the NL240 via USB:
1.
Plug the wall charger into an AC outlet and the barrel connector into the
NL240’s power jack.
2.
Connect a USB cable between one of your computer’s USB ports and the
USB port on the NL240.
3.
Open
DevConfig
.
4.
Select the
NL240
under
Device Type
.
5.
Select the appropriate
Communication Port
.
6.
Go to the
Send OS
tab.
7.
Press the
Start
button.
8.
In the resulting dialog box, select the file that should be sent to the device
as an operating system (this file should have an .obj extension) and press
the
OK
button.
9.
The operating system will be sent to the NL240.
10.
After the file has been sent, the power LED on the NL240 will blink
repeatedly while the NL240 copies the OS into its internal flash. This
process takes about 10 seconds. While the LED is blinking, the NL240 is
in a vulnerable state where a removal of power will leave the NL240
without a valid operating system to run. DO NOT remove power until the
LED stops blinking.
D.2 Sending an OS via Wi-Fi
Follow these steps to send the new OS to the NL240 via Wi-Fi:
1. Using the supplied serial cable, connect the NL240 CS I/O port to the
datalogger CS I/O port. Alternatively, power the NL240 through the
barrel-connector jack located on the edge of the device.
2. The NL240 will power up and join the strongest, open Wi-Fi network it
finds or the Wi-Fi network it has already been configured to join. The
green LED on the NL240 will come on and start blinking once it has
joined the network. Once it has successfully obtained an IP address, it will
stop blinking and flicker with network activity.
D-1
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