
Last seen: Aug 15, 2025
@editor - Mars, don't worry, I wasn't in any way put out, just wanted to plug some of the reasons why I think modbus has a lot to offer!
Sadly, this sort of nonsense is all too common. At one point I very nearly issued a decree that if any employee of a certain heating company were seen...
Don't forget I have been talking about it for ages! It has many advantages. It is (if your heat pump/inverter/whatever has a modbus interface, which m...
A 20kW ASHP to supply a 13.22kW demand seems a bit on the high side, even allowing for the fact most heat pump suppliers inflate their rated outputs b...
Great, you must be very pleased! I'm also sure others will welcome a separate thread with details of your wider setup, and a slightly different emphas...
@majordennisbloodnok - my hunch is that it is the device address. This can be a gotcha - you can't ask it what it's device address is without knowing ...
@majordennisbloodnok - cripes, it sounds complicated! At its simplest, a modbus connection is just two wires, A to A and B to B, plus (optionally) a...
Once you get the hang of it, it isn't complicated. This is a very simple unadorned example that gets data from my minute data csv file and plots it: ...
@iantelescope - date-time formats can be very tricky, especially with software that likes to be 'clever' - and then gets, for example, month and day m...
If you can log the data to csv files (eg using python), then you can plot the data any which way using any spreadsheet. You can also use python plotti...
There are a number of threads on this forum, some very detailed, that cover energy and/or electricity use (both matter, and of course they are related...
@mosibi - thanks for your contribution, looks like an interesting project! However, it does tie the user to using your hardware, ESPHome and Home Assi...
- 26 Forums
- 2,136 Topics
- 46.8 K Posts
- 37 Online
- 5,662 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: What crazy nonsense are inverter limits and why are they imposed?
Apparently when you apply to connect an inverter to the...
By AdamK , 25 minutes ago
-
I have/had a basic non-hybrid FoxESS inverter. The soft...
By Old_Scientist , 3 hours ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Ooch that's a lot. I replaced my pumped shower with ...
By JamesPa , 3 hours ago
-
RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 6 hours ago
-
RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 17 hours ago
-
RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 21 hours ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 1 day ago
-
RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 1 day ago
-
RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 1 day ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 2 days ago
-
RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 2 days ago
-
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 2 days ago
-
@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 3 days ago
-
RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 4 days ago
-
Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 days ago
-
RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 4 days ago
-
RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 5 days ago
-
RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 6 days ago
-
RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 6 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 1 week ago