Siemens SINUMERIK 840D sl Programming Manual page 543

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QECLRNON (axis.1,...4)

The traversing movements of the axes required for the learning process are generated with

the aid of an NC program. The learning movements are stored in the program in the form of

a learning cycle.

First teach-in

Sample NC programs contained on the disk of the standard PLC program are used to teach

the movements and assign the QEC system variables in the initial learning phase during

startup of the control:

The learnt characteristics can be optimized with subsequent learning. The data stored in the

user memory are used as the basis for optimization. Optimization is performed by adapting

the sample NC programs to your needs.

The parameters for the learning cycle (e.g. QECLRN.SPF) might have to be changed for

"relearning".

• Set "Learn mode" = 1

• Reduce "Number of learn passes" if required

• Activate "Modular learning" if required and define area limits.

Job planning

Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

13.4 Learn compensation characteristics (QECLRNON, QECLRNOF)

Activate "Learn quadrant error compensation" function

Deactivate "Learn quadrant error compensation" function

Learning cycle

Sample NC program for assigning system variables and the

parameters for the learning cycle

Sample NC program for circle shape test

Additional functions