Corrected from:
- Inverter Drives 8400 HighLine V16.00.00
- Inverter Drives 8400 TopLine V16.00.00
Response of the new version:
The angle correction for mark synchronisation works correctly even if an active correction has been previously aborted with bSetActIntegrator=FALSE/TRUE.
What happens?
Zero is output as difference dnPosDiffOut_p between two positions measured by means of touch probe and there is no angle correction as expected although a position difference is actually available.
When does this behaviour occur?
The behaviour occurs under the following conditions:
- The L_DFSet synchronisation mode is activated (C1075/1>0)
- Internal angle correction with polynomial is selected.
- An active angle correction, indicated by bAck=TRUE, is aborted by bSetActIntegrator=FALSE/TRUE.
After aborting an active angle correction, there will be no more angle correction until switching the mains.
Which products are affected?
- Inverter Drives 8400 HighLine < V16.00.00
- Inverter Drives 8400 TopLine < V16.00.00
Short-term measures:
Do not set the actual-value integrator with bSetActIntegrator=FALSE/TRUE (blocking) during an active angle correction, indicated by bAck=TRUE.
As an alternative to mains switching, the blockade can also be reset by reselecting angle correction with polynomial: 1. Set C1073=0, and then set C1073 bit1 to TRUE again.
Evaluation/recommendations:
The behaviour will not be necessarily detected as part of the commissioning tests because its occurrence depends on the time when setting the actual-value integrator.
If the angle correction is blocked during the production process of the machine, it is very likely that faulty material (scrap) will be produced.
