Siemens SINUMERIK 840D sl Function Manual page 1066

Detailed description
2.10 Memory requirements of basic PLC program for 840D
PLC/NCK, PLC/HMI interface
DB 10 PLC/NCK signals
DB 11 Signals PLC/Mode group
DB 21, 30 PLC/channel signals
DB 31, ...61 PLC/axis or spindle
signals
Basic program options
Machine control panel
FC 19 Transfer of MCP signals,
M variant
FC 25 Transfer of MCP signals,
T variant
FC 24 Transfer of MCP signals,
slim variant
FC 26 Transfer of MCP signals,
HPU variant
FC 14 MPI/OPI transfer
Handheld unit
FC 13 Display control HHU
Error/operating messages
FC 10 Acquisition FM/BM
ASUB
FC 9 ASUB start
Basic program options
Concurrent axes
FC 15 Positioning of linear/rotary
axes
FC 16 Positioning of indexing
axes
Star/delta changeover
FC 17 Star/delta switchover of
MSD
Spindle control
FC 18 Spindle control
PLC/NC communication
FB 2 Read NC variable
DB n1) Read NC variable
FB 3 Write NC variable
DB m1) Write NC variable
82
Must be loaded
Is generated by BP
Are generated by BP as a function of NCMD
Are generated by BP as a function of NCMD
Must be loaded when M variant of MCP is
installed
Must be loaded when T variant of MCP is
installed
Must be loaded when slim variant of MCP is
installed
Must be loaded for HPUs
Must be loaded if MCPNum > 0
Can be loaded for handheld units
Load when FM/BM is used
Load when PLC ASUBs are used
Load for axis positioning by PLC
Load for axis positioning by PLC
Load for star/delta switchover
Load for spindle control from PLC
Load for Read NC variable
One instance DB per FB 2 call
Load for Write NC variable
One instance DB per FB 3 call
Basic logic functions: PLC Basic program powerline (P3 pl)
318
80
352 each
180 each
1498
1358
1358
1358
942
1264
1572
656
656
674
612
826
396
426 each
396
426 each
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
262
44
316 each
144 each
1258
1160
1160
1160
802
1044
1350
538
546
560
494
676
224
270 each
224
270 each