#MBus (wired) water meters reading

8 messages · Page 1 of 1 (latest)

candid quarry
#

Hey. Hey,
does anyone have any experience with reading data from the MBus?

I have two water meters with MBus interface (probably not the best choice for HA, but I can't do anything about it, I already have them). From what I've searched online, I'd like to use this as an MBus Master and a USB converter:
https://a.aliexpress.com/_ExZZXs4

And then use it to read data in NodeRED (and then to HA).
https://flows.nodered.org/node/node-red-contrib-m-bus

Does anyone have something like this deployed/installed? Could this work?

Not much to look up, unfortunately. Apart from expensive industrial gateways...

Thanks a lot!

frail pollen
#

I use wmbusmeters as my meter is well... Wireless, but it can be set up to do mbus over a serial port as well.
I run it as an addon in HA and it just loads everything up into mqtt easily
https://github.com/wmbusmeters/wmbusmeters
Not sure why you'd ever want to use nodered

candid quarry
#

Thanks a lot, I didn't find this addon. Thanks, I'll check it out.

#

Did you set any special configuration for the addon? Or does it catch "by itself"?

frail pollen
#

There is some setup but really just followed the instructions it gave me and worked great

candid quarry
#

Thank you very much. I don't really know much about MBus, so I'll take a chance, order a USB Master unit from Aliexpress and try to get it going. Thanks a lot!

frail pollen
#

Yeah from the sound of it the one you linked should work just fine

candid quarry
#

Hi, thank you so much for your help!

The USB to MBus converter arrived today, I can (using some random software) read the data from the water meter on my Windows computer.

But I have a problem with the wmbus configuration in HA. The addon is installed, I would say it runs, but I have a problem apparently with setting the correct driver?

My water meter has this module: "apator apt-mbus-na-1 c"

How do I figure out the correct driver?
Thanks a lot!