Synchronizing controller
84
MG.10.N4.02 - VLT is a registered Danfoss trademark
List of illustrations
Figure 1: Calculation example .......................................................................................................................................... 5
Figure 6: Master-Slave connection ................................................................................................................................. 14
Figure 7: Virtual Master-Slave connection ..................................................................................................................... 14
Figure 8: Control behaviour with speed synchronization................................................................................................ 37
Figure 9: Mixing. Speed synchronizing control.............................................................................................................. 37
Figure 10: SyncStart with speed synchronization ........................................................................................................... 38
Figure 11: Up/down factor with speed synchronization.................................................................................................. 39
Figure 12: Hold speed..................................................................................................................................................... 40
Figure 13: Changing the gear ratio in speed synchronization ......................................................................................... 41
Figure 14: Wiring diagram – Batch control .................................................................................................................... 42
Figure 15: Control behaviour with position synchronization .......................................................................................... 49
Figure 16: Embossing with position synchronization ..................................................................................................... 49
Figure 17: Synchronizing to a stationary master............................................................................................................. 50
Figure 18: Synchronizing to a running master ................................................................................................................ 50
Figure 19: Position displacement.................................................................................................................................... 51
Figure 20: Wiring diagram – application example.......................................................................................................... 52
Figure 21: Control behaviour with marker synchronization............................................................................................ 59
Figure 22: Conveyor belt with marker synchronization .................................................................................................. 59
Figure 23: Initial start-up with marker synchronization .................................................................................................. 60
Figure 24: Marker correction during operation............................................................................................................... 61
Figure 26: Wiring diagram - conveyor belt regulation.................................................................................................... 62
Figure 27: Incremental encoder signals .......................................................................................................................... 80
Figure 28: Derivation of quad counts ............................................................................................................................. 80
Figure 29: Synchronization without virtual master ......................................................................................................... 81
Figure 30: Addition of the cycle times............................................................................................................................ 82
Figure 31: Synchronization with virtual master .............................................................................................................. 82
Figure 32: No addition of the cycle times ....................................................................................................................... 83