Hi Brian,
In my experience this is a relatively common failure. Fans will burn out after
a few years of continual run and yes, they are a pain to replace but can be
done, the fan can be purchased from electronics shops.
Replacing the control board that causes the fan on is an expensive
Hi Wrenches,
I am evaluating remote monitoring solutions for an off-grid project and
wanted to get any feedback people were willing to share. I see my three
main choices as Outback, SMA Sunny Island, or an XW system, the first
two of which I have a good bit of experience with.
It looks
Check out the Wattmon http://wattmon.com for simple off-grid remote
system monitoring.
We have been impressed with the simplicity of it and the quality of the
data it produces. Of all the systems I have tried, this one is my favorite
so far. We are integrating it into our pre-wired off-grid
Davis,
If you are using 24 volts, Blue Sky Energy has a remote monitor product as
well, the UCM module. It has ethernet and MODBUS RS-485 built in. With BSE IPN
controllers you can have up to 240 amps charge current, full remote programing
for controllers and monitor the PV solar arrays and
First, Outback does have a solution: the Flexnet and Mate 3 stuff;
Outback's stuff is pricey though. They're also a mess to wire IMHO.
Here's 2 others to consider: Pentametric from Bogart Engineering, and
Midnite Solar.
Midnite Solar's monitoring is free when you buy their controllers. They
The best monitoring/control that I have used, by far, is the SMA Webbox.
With port-forwarding enabled on the router you can log in and get real
time data, analyze any recorded parameter you like, and change most
parameters. You can start the generator remotely, plot trends over time,
and create
Mac;
We generally work with systems in very remote areas that can't support
always-on internet, as satellite internet uses a lot of watt-hours and GSM
cell usually has no coverage. So mostly SD card logging for us.
We work on many systems with small wind turbines, and the APRS World wind
data
The Pentametric is great for on site data collection and monitoring. It
can handle up to 3 shunts for anything you want, and has a simple
Windows interface that's good. You then can use their Excel templates
to graph out all the data you want.
R.Ray Walters
CTO, Solarray, Inc
Nabcep
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