Dear Madame and sir,
it seems as if there are various problems in the market with the support of extended frames and the available MAX_APDU length.
Sometimes values in the devices seem to be wrong and the detected maximum value for the configuration does not work.
Even a miscalculated value by one single octet, can break the configuration procedure.
To have a worst case scenario fall back possibility, I propose to add a ETS wide parameter (e.g. in the " Bus - Options" or in the "Settings - Troubleshooting") to limit the MAX_APDU length for the configuration procedures, as a top limiter of the detected maximum value.
With such a parameter, even a false self description in a device would give the user a possibility to configure the device. Today the user is lost, because the procedure just breaks.
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