WR Firmware 2.0.4 temporary limit not displaying constantly

[agger83]

After updating the firmware to 2.0.4, a temporary limit can still be set and used by the inverter. But the display in openDTU is showing the permanent limit after roughly 5 minutes.

Steps to reproduce:

• set a temporary limit with openDTU, e.g. 5%
• OpenDTU will display this current limit and the inverter will produce accordingly
• after roughly 5 minutes openDTU will display the permanent limit instead, eg 100%
• the inverter will still product according to the temporary limit until the next restart

So actually this is a display bug in openDTU but must be somehow related to the new firmware of the inverter.

Originally posted by @agger83 in #2153 (reply in thread)

[MichaMEG]

A permanently set limit via the OpenDTU is also not retained, at least in the UI.
After a short time, the limit previously set with the Hoymiles DTU is displayed in the UI as permanently Limit. I cannot yet say which one is used.

[agger83]

Interesting. I didn’t check that, but assume it is similarly only a display issue. Maybe you can check this next time when the sun is shining or by setting a real low permanent limit.
I could see that the inverter is still producing according the maintained limit, even though openDTU is showing the wrong limit.

Is this topic a bug? How is this flagged as a bug, is this to be done by an admin? Sorry, I am new to GitHub

[agger83]

Actually, I am using openDTU on battery and have activated DPL now. This is „healing“ the issue, as soon as openDTU falls back to display the permanent limit (800 W in my case), the DPL recognizes and calculates and sends a new limit.
Thus this issue is not showing up for me, but is still persistent

Edit: this is only true if the permanent limit is below the production.
If the production is below the limit, the DPL stays below the limit and does not increase it again. Why? Because the DPL calculates based on the displayed permanent limit, 800w in my case. If it has sent a limit of 235 W beforehand, it sees no need to increase the limit again.