Power Flarm Display

On Monday, December 17, 2012 2:06:01 PM UTC-5, bumper wrote:
On Monday, December 17, 2012 9:02:00 AM UTC-8, wrote:

I'm confident enough that its not going to be a problem that I plan to fabricate a RJ12-DB9 cable and give it a whirl.







Frank (TA)







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Aktualisiert von: Frank Paynter, 14. Dez 15:40 (CET):



Hi,







I would like to update the firmware on my PowerFlarm Butterfly display, but



I'm a bit confused by the directions for fabricating the required update



cable. Note that I'm an Electrical Engineer with over 40 years of bench



design and fabrication experience, so if I'm confused, I expect others are



as well.







The instructions provide a pinout for the display-end connector, with notes



as to where each pin should go on the PC end. However, the PC-end



connector isn't specified - is it supposed to be a DB9 serial connector?



If so, you must know that DB9 serial connectors aren't widely available on



modern PC's; I have 6 PCs in my home office, and not one of them has a DB9



serial connector. When I need serial port connectivity, I use a popular



USB-serial adapter. Will your display update properly when using such an



adapter?







Your specification calls for pin 5 of the RJ-12 connector to be tied to



+3.3VDC, but this isn't a common voltage for serial communications. What



happens if this line is connected to +5 or even +12 VDC?







Regards,







Frank





Frank,



Please post an update if all goes well. I prefer not to tune my device for maximum smoke if there is some other brave soul willing to go first!



tks



bumper

You guys do know about this, yes? (From external display manual)

"Updates
Update through PowerFLARM®
After Q4/2012 it will be possible to update the displays through any PowerFLARM® unit
directly without the need for a special cable."

-Evan Ludeman / T8