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Last seen: Sep 13, 2026
To save you flitting all over the place, let me re-post here a basic introduction to Modbus over RS485 RS485 is a serial protocol which runs ove...
So let me clarify... The simplest strategy is to use Modbus commands over RS485.The manual indicates at least two such ports are available for you t...
Or - to keep things even more simple - use this serial to RS485 adaptor module at £4 from Amazonand about one-third of that price from AliExpress.
Please allow me to dive in here! I've been communicating with Growatt inverters now for about a year, and I support the recommendation from @derek-m...
That's neat.And good to see that Messrs Craig and Derricott is a UK company, based in Walsall. 😎
That's interesting @allyfish. I'm puzzled how a 'knife switch' mechanism can be used effectively with high-voltage DC.When the circuit is broken by ...
@allyfish - what's the function of the two black rotary isolators at the top? Have you had that DC MCB installed yet?
Excellent. That's the same approach I'm using, albeit in a different area of energy technology - battery storage. 1: Collecting data like this wil...
Is it too late to rescue him?Or has he already passed the Event Horizon? 😪
That's why the accreditation/certification issue needs submitting to the Commons Committee. It's they who hold the government to account. The Chai...
Nor does any Local Planning Authority appear to have filed a submission to the House of Commons Committee which scrutinizes the Dept of Energy (DESNZ)...
Thanks for posting that datasheet for the Solax X1-hybrid @curliekatie The specification for the solar panel input to the inverter looked great unti...
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Latest Posts
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Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Hi All, a friend had a Nibe F2040-12 12Kw heatpump in...
By StuChi , 7 minutes ago
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 17 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 20 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 22 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago


