Reading the state
Number of acknowledged errors
Parameter 9040:01 "Autoacknowledge current number of attempts" contains the number of commutation errors that have been acknowledged since the last manual acknowledgement or power-up of the box.
Elapsed time since last Autoacknowledge
Parameter 9040:02 "Autoacknowledge current waiting time" contains the time in milliseconds that has elapsed since the last autoacknowledge event.