L_MC1P_PosReconstruction: Position reconstruction witrh absolute value encoder via EtherCAT bus or the backplane bus (external encoder) (from V03.22.00)

Function extension:
The AxisRef of the motion axis has been extended by the function block (FB) 'L_MC1P_PosReconstruction' in order to realise the function for position reconstruction after mains switching when using an external absolute encoder instead of the motor encoder of the axis. 
The external absolute encoder (e.g. SSI absolute encoder) must be connected to the EtherCAT bus or the backplane bus of the controller via an I/O module.
The FB 'L_MC1P_PosReconstruction' contained in the AxisRef must still be instantiated in the user program for the function to be effective. 
See description of the FB in the online help, search term: 'L_MC1P_PosReconstruction'. 

Note:
If the feedback system is connected directly to the slot of the inverter, the above FB is not required. 
In these cases, the position reconstruction is set via the motion parameters subindex 081 and 082 of the encoder node.

Contained in which products?
Library: L_MC1P_MotionControlBasic (FAST Motion) as of V03.22.00.87
                       (update via package manager)

Application:
  • Verwendung eines externen Absolutwertgebers für die Positionsregelung im PLC-Programm des Controllers und
  • Nutzung der Funktion zur Positions-Rekonstruktion nach dem Einschalten, damit nicht jedes mal eine Referenzfahrt ausgeführt werden muss.

Automatic Translation

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201600582/1/
Kontaktformular