Access Sensor Technologies UPAS User Guide 27
4 Download the rev102 firmware file
(UPAS_v2_0-rev102-L152RE_20180510_mbed116.bin) from
the Access
Sensor Technology website (or from this Dropbox location), and
save it to an easily-accessible location on the computer or tablet.
5 Insert a USB-to-microUSB cable to the computer/tablet, which allows you
to connect to your UPAS Sampler(s).
You may simultaneously connect as many UPAS Samplers as you have USB ports.
Alternately, use a USB port expander for multiple USB ports. Multiple cables
accelerate the firmware update process as updates take up to one minute per
UPAS.
Normal Firmware Update Process
Update the firmware on all UPAS Samplers regardless of what generation of
firmware is present.
1 Power-On each UPAS to be updated.
2 Connect each UPAS to your computer via a USB-to-microUSB cable(s).
3 Look for each UPAS to appear as DAPLINK in This PC if on a PC, or in
finder/devices if on an iOS/Mac.
4 Drag or copy/paste the rev102 firmware file
(UPAS_v2_0-rev102-L152RE_20180510_mbed116.bin) into the DAPLINK
folder of each UPAS.
5 If any security question pops up, simply approve the process. If
simultaneously updating multiple UPAS, you may either copy the file and
then approve on one UPAS at a time or copy to all and then approve all. A
status bar appears for each UPAS being updated and takes ~15 seconds
to show completion. Upon completion, the DAPLINK device connection
and the associated file transfer window for each UPAS disappears. The
DAPLINK connection reappears a few seconds later in 'my computer' tree
or Finder - meaning that the process has completed.
If updating firmware on multiple UPAS Samplers at one time, and especially if
going through a large number of Samplers, there may be a higher risk of
accidentally missing one or more UPAS. You may repeat the previous steps a
second time to be absolutely sure you copied the firmware file to each UPAS.
This adds approximately 30 seconds of work per UPAS.
6 Disconnect the UPAS from the computer.
7 Power all UPAS Samplers OFF (Status light may or may not be visible as it
was frozen the moment the firmware flash started). Make sure to hold the
pushbutton for > 5 seconds to ensure UPAS is off. At this point the new
firmware has been installed and is active the next time you power-On the
UPAS.
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