Which products are affected?
EVS93xx-EI (Servo PLC Version 6.3 DSMC control board)
EVS93xx-ET (Servo PLC Version 6.3 DSMC control board)
What happens?
The drive indicates a LU message. The power outputs are switched to high resistance level – the drive coasts down.
When does the problem occur?
The problem occurs if a series of conditions is complied with at the same time:
- Devices with power < 9325 AND
- C0022 AND C0086 included in the code initialisation list of the project AND
- C0022 > 1.5 x Irated device.
The problem occurs sporadically. Mostly after a project download and after 'Mains on' but also sporadically during operation.
Possible diagnostics?
None.
Short-term measures/recommendations?
The LU message can be acknowledged by mains switching.
Evaluation:
The error will be eliminated in a higher version of the operating system.
