L_TT1P_ElectricalShaftPos, RegisterControl; VirtualMasterHigh: Slave axis jumps during declutching when master is at standstill (eliminated from V3.12.0)

Eliminated from:
L_TT1P_TechnologyModules_LM V3.12.0.9

 
Behaviour of new version:
The slave axis decouples jump-free from the master axis, even if the load carrying xSyncPos = FALSE with the master stationary.
 
What happens?
The slave axis performs an unexpected compensating movement (jump).
 
When does this behaviour occur?
The slave is being declutched (xSyncPos is set from TRUE to FALSE). The xAccDecSync status bit has not yet been set to TRUE. The master axis is at standstill.
 
Which products are affected?
L_TT1P_ElectricalShaftPos, L_TT1P_RegisterControl, and L_TT1P_VirtualMasterHigh function block from L_TT1P_TechnologyModules_LM technology library (V3.10.0.8 and higher)
 
Short-term measures:

1. Applicative solution: Ensure that the master traverses at least at minimum speed when declutching shall be started. After declutching has been started (xSyncPos = FALSE), the master may stop as well.

2. Applicative solution: Select the previous version L_TT1P_TechnologyModules_LM V3.9.0.62 by means of the placeholder resolution.
  
Evaluation/recommendations:
With the above-described short-term measures, the slave axis will be declutched without jumps.

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201500696/1/
Meta data
Taxonomy: TM Electrical Shaft Position , TM Register Control , TM Virtual Master , TM Basic Motion , TM Cross Cutter , TM Electrical Shaft Velocity , TM Flex Cam , TM Flying Saw , TM Magic Track , TM Pick and Place , TM Smart Track , TM StackerCrane , TM Table Positioning , TM Temperature Control , TM Track Pick and Place , TM Traverser , TM Winder Dancer-controlled , TM Winder Tension-controlled , FAST Motion Lib L_TT1P_LM
AKB-ID: 201500696
Last update: 2024/01/19
Category: Version Informations

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