072-0300
Alphasense User Manual
OPC-N2 Optical Particle Counter
Issue 5
Alphasense Ltd Page 28 of 34
December 2015
Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. Essex.CM77 7AA. UK
Tel: +44 (0) 1376 556700 - Fax: +44 (0) 1376 335899
Email: [email protected] - Web: www.alphasense.com
Appendix C: Updating the Firmware
It is possible to update the firmware on the OPC-N2 device using the supplied Bootloader tool when
running firmware version 0015d (and above). To upgrade the firmware on your OPC-N2 device
requires:
•
An OPC-N2 with firmware 0015d and above (please check with Alphasense if uncertain).
•
The PC software that is supplied with the unit (on CD or on SD card).
•
USB to SPI converter.
•
USB (Micro) lead.
•
A new firmware upgrade package including the firmware file (.HEX), this will be supplied on
request to Alphasense.
To upgrade the firmware file follow the instruction below:
1. Connect the OPC-N2 device
to your PC and initiate
communications (see earlier
in the manual) and make a
note of the current value set
to the laser (you can see
this by pressing Ctrl+L or by
typing Ctrl +R and scrolling
to the bottom of the
window).
2. Connect the OPC-N2 device
to the PC using the USB
(micro) lead. Leave the SPI
connection in place and
open the Bootloader tool
3. Click the header on the
OPC interface software (to
make it active) and press
Ctrl+B, this will put the OPC
software into “bootloader
mode”.Click “Yes” to the
following prompt.
