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Author Topic: sunny island diy data logger  (Read 3079 times)
jhinshel
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« on: November 03, 2016, 09:29:55 PM »

I am keen to develop a low cost datalogger to interface to my sunny island 5048. There are a few posts here and there that touch on this but they do not seem to outline what hardware is required. Is it possible to interface an arduino or raspberry pi directly to the sunny island? If so, it would be great to have some clear instructions about how to access the SOC data.
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off grid 4 years: 2.5kw pv,sunny island 5048, 2 mx 60s, proven 2.5 48v, home made charge controller, 1500Ah fork lift batteries, 60 evacuated tube solar heating, vigas 40 kw biomas boiler, 3000l thermal store
bautsche
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« Reply #1 on: November 03, 2016, 09:53:51 PM »

...been meaning to work on this myself for a while now. But alas, not been high enough on my priority list.
So far, I download the SD card on a monthly basis and feed the data into a database on which I can then run reports.
Dirty but fast to implement and quick to change.
Eric
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jhinshel
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« Reply #2 on: November 03, 2016, 10:01:01 PM »

I'm planning to write some code for an arduino or raspberry pi and send data to a phone app but I am not sure what the communications protocol is for the sunny island. Any advice would be useful ...
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off grid 4 years: 2.5kw pv,sunny island 5048, 2 mx 60s, proven 2.5 48v, home made charge controller, 1500Ah fork lift batteries, 60 evacuated tube solar heating, vigas 40 kw biomas boiler, 3000l thermal store
rogeriko
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« Reply #3 on: November 03, 2016, 10:38:45 PM »

To communicate with the sunny island you need a (search for a better price)

https://www.cclcomponents.com/sma-speedwire-data-module-retrofit-kit-for-si3-0m-4-4m-6-0h-8-0h?gclid=CjwKEAjwwOvABRC08aedoZ_lnTMSJACs_cbu3kpIrZX0M2Vsb_by0eAYv-b7oYX32X4kT5-m87vdBxoCM2nw_wcB

and the instructions

https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjtjMj4zI3QAhUCD8AKHY5jBw4QFggdMAA&url=http%3A%2F%2Fwww.windandsun.co.uk%2Fmedia%2F292547%2FSISpeedwireDataModule-Installation-manual.pdf&usg=AFQjCNGMBVQOeLqc6CdhfdvoIWm0SOYS6g&sig2=58qYfbI5TMMRwX_Y0QWWJg

 then you can communicate with sunny explorer on your laptop.
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jhinshel
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« Reply #4 on: November 03, 2016, 10:49:47 PM »

I have the earlier 5048 sunny island. Can I use a RS485 Communication Interface retrofit kit for Sunny Island SI5048 and use sunny explorer?
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off grid 4 years: 2.5kw pv,sunny island 5048, 2 mx 60s, proven 2.5 48v, home made charge controller, 1500Ah fork lift batteries, 60 evacuated tube solar heating, vigas 40 kw biomas boiler, 3000l thermal store
Tinbum
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« Reply #5 on: November 03, 2016, 11:00:58 PM »

485PB-G3 for the SI5048

Does this help?

http://www.sma.de/fileadmin/content/global/Products/Documents/Monitoring_Systems/YASDI-10NE1106.pdf
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85no 58mm solar thermal tubes, 28.5Kw PV, 3 x Sunny Backup 5048, 3x Sunny Island 5048, 2795 Ah (135kWh) (c20) Rolls batteries 48v, Atmos wood gasification boiler, Brosley wood burner, 2000lt buffer tank and 250lt DHW
jhinshel
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« Reply #6 on: November 03, 2016, 11:07:56 PM »

Thats put the cat amoungst the pigeons. Are you saying that I could use the 485PB-G3 card and use the api calls in the YASDI document? If so, would you have any sample code to demonstrate this?
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off grid 4 years: 2.5kw pv,sunny island 5048, 2 mx 60s, proven 2.5 48v, home made charge controller, 1500Ah fork lift batteries, 60 evacuated tube solar heating, vigas 40 kw biomas boiler, 3000l thermal store
rogeriko
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« Reply #7 on: November 03, 2016, 11:25:20 PM »

http://www.off-grid-europe.com/sma-si-485pb-nr-rs485-interface-for-si-5048


http://www.ebay.co.uk/itm/SMA-Communication-Card-485pb-g3-Module-Interface-for-Sunny-Island-RS485-/272327532715

can be used with sunny data control
« Last Edit: November 03, 2016, 11:29:36 PM by rogeriko » Logged

Mostie
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« Reply #8 on: November 04, 2016, 01:39:15 PM »

would the 123solar logger not work then?

http://123solar.org/

or this

https://sourceforge.net/projects/solarget/
« Last Edit: November 04, 2016, 01:42:04 PM by Mostie » Logged

2x Solis PV = 1.875 kW, Mitsubishi inverter heat pump. Yorkshire Boiler Stove.
V
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« Reply #9 on: November 04, 2016, 06:32:03 PM »

This has been on my list for ages - just not quite enough time yet.

Links:

https://openenergymonitor.org/emon/buildingblocks/interfacing-with-sma-sunnyboy-pv-inverters-bluetooth

https://code.google.com/archive/p/485solar-get/wikis

https://github.com/SolarNetwork/solarnetwork/wiki

And the YASDI stuff from SMA

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9.7 kW of Solar PV, 3x 3000 SMA Sunny Boys, 1x SMA Sunny Island  8.0 and 1848 aH (C10) of FLA - 3.3kVA Honda generator converted to LPG
jonesy
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« Reply #10 on: November 05, 2016, 01:35:47 PM »

The rs485 or rs232 links hardware are basically identical on the sunnyboys - probably the same on the SI - that pic for the 485 isolator looks familiar; the difference is the headers onto the pcb.
The protocol 485/232 is the same 1200 baud no parity - it's just a different physical interface ie balanced (485) vs single ended. I initially used a couple of opto isolators.
I looked a Yasdi, plus the other documents sma publish, but I found most info by sniffing the RS232 signal when the SB was talking to sunny data control on a PC. You ask something and you get a response.
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1.1kWp PV & SB1700. 7kW log burner.
jhinshel
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« Reply #11 on: May 10, 2019, 09:07:09 PM »

I'd like to re-invigorate this thread. I am keen to access data on a sunny island 5048. All i really want is the SoC. I'm guessing this would  be available via the rs485 port  but I really am not clear about how to connect to this. I would be grateful if someone could provide a step wise set of instructions with the hard ware required. Ideally I would interface an arduino, raspberry pi or pc to access the data.
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off grid 4 years: 2.5kw pv,sunny island 5048, 2 mx 60s, proven 2.5 48v, home made charge controller, 1500Ah fork lift batteries, 60 evacuated tube solar heating, vigas 40 kw biomas boiler, 3000l thermal store
dnesdlrow
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« Reply #12 on: August 13, 2019, 09:12:39 PM »

I have the exact same issue. All I really want to do is get the battery SoC remotely. My SI5048 is about 9 years old. I'm not sure whether to use RS232 or 485,and whether I need to find a Sunny Webbox or if I can just connect straight to PC using Sunny explorer?
Anyone?!
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6kw Proven turbine & Windy boy; 2kw pv & Sunny boy; Sunny island 5048; 8x6v Rolls 6CS25P.
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