PLC A method of independent control period allocation of axis in the PLC positioning system

摘要

CLAIMS What is claimed is: 1. A method of allocating a control period of a PLC positioning system, the method comprising: allocating different control periods for each axis by dividing each axis into a first axis group having a first control period and a second axis group having a second control period; Performing a position control operation of the first axis group by switching a task by an interrupt when a position control operation of the first axis group is requested among the position control operations of the second axis group; And after the position control operation of the first axis group is completed and subsequently performing the position control operation of the second axis group by switching the task by an interrupt. Is provided.