IEC 62056-21 meter sometimes reading wrong values

Hello all,

I use the IEC 62056-21 meter binding for quite some time now. Since a few months the binding sometimes reads totally wrong values ( once or twice in a day or two). Sometimes it’s skipping some decimals, like here:


Sometimes its even skipping the comma, leading to a very high value.

Does anybody have an idea what could be the problem here?

Best regards,

Here’s another example:


Anybody? @kreutzer_peter do you have an idea?

Could you try the smartmeter binding?
It has a more recent version of the frauenhofer libray.
I recently move to this