Cookie preferences
A significant change is due to be implemented in 2025 in the European electricity market: Prices will be set per...
Latest posts
-
Transition to 15-minute pricing in the European electricity marketRead more -
Assumed bug on Aidon meters with HAN-NVE interfaceRead moreWe assume this is a bug on Aidon smart meters with HAN-NVE interface (Norway, Sweden and possibly Finland).
-
Kamstrup Omnipower in Sweden: 10x kWh errorRead moreGrid companies in Sweden has increased the number of decimals on energy (kWh), here is how to update your device.
-
Updating device over USB cable, simplified methodRead moreSome users experience difficulties using one of the Over-the-air (OTA) methods for firmware upgrade. We propose a...
-
Kamstrup Omnipower HAN port not workingRead moreHow to cure the Kamstrup Omnipower meter hick-up (meter stops pushing data)
-
Kamstrup Omnipower meters in Sweden: Which configuration should you choose?Read moreSwedish grid companies are moving from "HAN-NVE" configuration to "P1" configuration. Some grid companies allow their...
-
L2 current not available!?Read moreSome users have noticed that the device is no longer reporting current on phase L2.
-
Swedish customers and PostNord as "Tullombud"Read moreSwedish customers receiving our shipments via Postnord are mislead to think they have to pay customs fee and VAT....
-
One-click upgrade is not workingRead moreOne-click firmware upgrade works just fine for most users - but what to do if it fails?
-
Blog categories
Search in blog
Can Pow-U read from a P1-port?
Pow-U can only read smart meters with a 12/24V M-bus signal on pins 1 and 2 of an RJ45 connector. This is the standard implemented in Norway, sometimes called a https://github.com/ArnieO/SmartMeterDocumentation.
Several European countries have selected a newer standard, with a so called HAN/P1 port. This port uses an RJ12 connector. Pow-U cannot read this port.
In Sweden, both versions are used.
I am in Sweden. How dp I know which port I have on my meter?
If an ethernet cable (which has 8 contacts) fits in the connector on your port, you have a HAN/NVE port - and you can use Pow-U.
If not, you have a HAN/P1 port - and will have to wait for our Pow-P1 reader (coming during 2022!).
Here are the two connector types:
Posted in:
FAQ
Related posts
-
How do I fix a bricked device?
If you by a mistake uploaded over Wifi a wrong firmware (intended for an other microprocessor), the device will not...Read more -
Can Pow-U and Pow-K show energy produced from solar panels or wind turbines?
Especially solar panel installations are starting to become common, so we want to monitor power and energy from them!Read more -
How can I read data from my Pow-K / Pow-U when I'm not at home?
Many of us do not like the idea of sending our power consumption data to some cloud service where we do not really...Read more -
Pow-U: Can the external power be connected while Pow-U is connected to the meter?
In some use situations, the Pow-U will have difficulties maintaining its voltage level and will reset frequently (see...Read more -
Emergency factory reset
Your device has become unresponsive for some reason. Is there some way to recover? Yes!Read more
Leave a comment