P3: Basic PLC Program for SINUMERIK 840D sl
13.10 Assignment overview
Basic Functions
906
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
13.10
Assignment overview
13.10.1
Assignment: NCK/PLC interface
The values of the NC/PLC interface for SINUMERK 840D sl are described in detail in:
References:
Lists sl (Buch2)
13.10.2
Assignment: FB/FC
Number
Significance
FB 15
Basic program
FB 1, FC 2, FC 3, FC 5
Basic program
FC 0 ... 29
Reserved for Siemens
FB 0 ... 29
Reserved for Siemens
FC 30 ... 999
1)
Free for user assignment
FB 30 ... 999
1)
Free for user assignment
FC 1000 ... 1023
Reserved for Siemens
FB 1000 ... 1023
Reserved for Siemens
FC 1024 ... upper limit
Free for user assignment
FB 1024 ... upper limit
Free for user assignment
1)
The actual upper limit of the block number (FB/FC) depends on the PLC CPU on which the selected
NCU is located.
Note
Values of FC, FB see " Memory requirements of the basic PLC program [Page 909]".