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Not a bug

IQANrun's imposed COUT limitation when adjusting Min current remains on controller after lost connection.

Johan Palm 2 weeks ago in IQANrun updated by Gustav Widén (System support) yesterday at 6:48 a.m. 1

When adjusting the minimum output current of a COUT, IQANrun imposes a limitation on the COUT equal to the set minimum current.

If the controller drops the application, without a graceful disconnect, e.g. if you do not first disconnect IQANrun before you connect with IQANdesign, then the imposed limitation on the COUT remains. This can cause a lot of confusion if you are unaware of this functionality.

It would be preferable if a dropped connection immediately removes the current limitation on the COUT.

Not a bug

I can confirm that this is how the min-current limitation works, it stays effective also if connection is lost.


It is not a bug, staying with the limitation is in our opinion the most predictable choice of action in case of an error. A realistic scenario could for example be if the diagnostic CAN bus is cut wile adjusting.


I think the main point that is good to be aware of is that there can only have one diagnostic session running at a time. 

If you are connected with IQANrun and for example start a measurement in IQANdesign, IQANrun is abruptly disconnected.