Siemens SINUMERIK 840Di Function Manual page 1258

Detailed Description
2.9 Assignment overview
2.9 Assignment overview
2.9
2.9.1 Assignment: NCK/PLC interface
The assignment of the NC/PLC interface is comprehensively described in:
References:
/LIS/ Lists
2.9.2 Assignment: FB/FC
Number
FB 15
FB 1, FC2, FC 3,
FC5
FC 0-29
FB 0-29
FC 30-999
FB 30-999
FC 1000-1023
FB 1000-1023
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. For FC and FB assignment, see Section 6.4 (Memory requirements of PLC basic
program for 810D, 840D).
2.9.3 Assignment: DB
Note
Only as many data blocks as are required according to the NC machine data configuration
are set up.
2-64
Meaning
Basic program
Basic program
Reserved for Siemens
Reserved for Siemens
Free for user assignment
1)
Free for user assignment
1)
Reserved for Siemens
Reserved for Siemens
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0