Siemens SINUMERIK 840Di Function Manual page 920

Detailed description
2.2 Reserve resources (timers, FC, FB, DB, I/O)
2.2 Reserve resources (timers, FC, FB, DB, I/O)
2.2
Reserved components
The components below are reserved for the basic program:
Component
Timers
Functions (general)
Functions (in ShopMill/ShopTurn)
Function blocks
Data blocks (general)
1)
Data blocks (in ShopMill/ShopTurn) 1)
1) The data blocks for channels, axes/spindles and tool management functions that are not activated may be assigned as
required by the user.
PLC 317-2DP
PLC CPU: PLC 317-2DP are reserved for further number bands for SIEMENS applications
referring to FC, FB, DB and I/O areas.
FC, FB and DB
Component
Functions
Function blocks
Data blocks
I/O range
Component
Address area
Inputs/outputs
1) Reserved for the NC module and future expansions
2) Reserved for integrated drives However, diagnostics addresses for modules can only be placed in the uppermost
address range, as suggested by STEP7.
2-8
Reserved range
T0 - T9
FC 0 - FC 29
FC 0 - FC 35
FB 0 - FB 29
DB 1 - DB 62; DB 71 - DB 80
DB 1 - DB 62; DB 71 - DB 89
Reserved range
FC 1000 - FC 1023
FB 1000 - FB 1023
DB 1000 - DB 1099
Reserved range
256 - 271
1)
4096 upwards
2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Power Line Basic PLC Program (P3)