Siemens SINUMERIK 840D sl Function Manual

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9.15.2.2 Global part program memory (GDIR)When declaring the drives, one of the drives can be designated the global part programmemory (GDIR).References:Operating Manual; Section: "Managing programs" > "Setting up drives"The system automatically creates the MPF.DIR, SPF.DIR and WKS.DIR directories on thedrive that acts as the GDIR. These three directories form the GDIR.The GDIR only plays a role for the EES function. Depending on the drive configuration, theGDIR replaces or extends the NC part program memory. However, it is not mandatory to setup a GDIR for the EES operation.The directories and files of the GDIR can be addressed in the part program in the same wayas in the passive file system. Therefore, a compatible relocation of an NC program with pathspecification is possible for the passive file system to the GDIR.GDIR replaces the NC part program memoryIf the NC part program memory is completely empty in the MPF.DIR, SPF.DIR and WKS.DIRdirectories, then the GDIR replaces the NC part program memory. The previous NCK searchpath is emulated 1:1 by the GDIR.Selecting the main program on an external archive/data storage mediumSearch sequence for the subprograms:1. Actual directory on an external archive/data storage medium2. SPF.DIR in the GDIR memory3. The drive referenced using CALLPATH4. CyclesGDIR extends the NC part program memoryWhen the NC part program memory is not empty in the MPF.DIR, SPF.DIR and WKS.DIRdirectories, then the search sequence for the subprograms depends on where the mainprogram is archived (active directory).Selecting the main program in the NC part program memory (MPF.DIR or xxx.WPD inWKS.DIR)Search sequence for the subprograms:1. Actual directory in the NC part program memory2. SPF.DIR in the NC part program memory3. The drive referenced using CALLPATH4. CyclesK1: Mode group, channel, program operation, reset response9.15 EES (optional)Basic Functions606 Function Manual, 01/2015, 6FC5397-0BP40-5BA2