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Joined: Jan 20, 2022
Last seen: Jul 24, 2025
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Topics: 16 / Replies: 2416
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RE: Local monitoring and control of inverter - gaps in understanding

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...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Local monitoring and control of inverter - gaps in understanding

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...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Local monitoring and control of inverter - gaps in understanding

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.

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Local monitoring and control of inverter - gaps in understanding

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...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Additional 6.5kW battery on order

That's neat.And good to see that Messrs Craig and Derricott is a UK company, based in Walsall. 😎

2 years ago
Forum
Energy Storage
Reply
RE: Additional 6.5kW battery on order

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 ...

2 years ago
Forum
Energy Storage
Reply
RE: Additional 6.5kW battery on order

@allyfish - what's the function of the two black rotary isolators at the top? Have you had that DC MCB installed yet?

2 years ago
Forum
Energy Storage
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Is it too late to rescue him?Or has he already passed the Event Horizon? 😪

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASPH Sizing Confusion

That's why the accreditation/certification issue needs submitting to the Commons Committee. It's they who hold the government to account. The Chai...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASPH Sizing Confusion

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)...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar battery size- advice please!

Thanks for posting that datasheet for the Solax X1-hybrid @curliekatie The specification for the solar panel input to the inverter looked great unti...

2 years ago
Forum
Energy Storage
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