Corrected from:
Inverter Drives 8400 HighLine and TopLine from firmware version 14.00.00.00
Response of the new version?
The correct scaling functions for the corresponding setting parameters have been stored. Furthermore the speed surge that occurred when the DC-bus control was switched on has been corrected.
Which products are affected?
Inverter Drives 8400 TopLine with a firmware version lower than 14.00.00.00
What happens?
Abrupt rise of the DC-bus voltage. Speed surge when the DC-bus control is activated.
Proportional gain Kp (C1469/1), reset time Tn (C1470/1), and acceleration ramp for the setpoint of the DC-bus voltage (C1470/2) are not processed correctly.
When does the problem occur?
The response occurs when the DC-bus control is activated.
Short-term measures/recommendations?
None
Evaluation:
The functional processes to be expected are not given by the parameter settings.
