Patent ID: 6445959
Filing Date: 2002-09-03
Classification: G05B,Y02P,Y10T

Abstract:
A system for selectively transferring information between a central computer and a plurality of remotely located computer-numerical-computer (CNC) machine controllers, each having a multi-tasking capability comprising:a central computer; a plurality of CNC machine controllers; each of said controllers including means for storing a file of information to be transferred to said central computer; a transfer means connected to said central computer and to each of said controllers for transferring information therebetween; said central computer including means for selectively addressing each of said controllers and means for requesting an information transfer between said central computer and one of said controllers; wherein each of said CNC machine controllers includes means for gathering and storing status information; wherein said means for storing includes a status file; and wherein said status file includes an old status file for storing status information for a predetermined expired time span and a new status file for storing status information for a predetermined current time span.