Siemens SINUMERIK 840D sl Function Manual page 899

Basic program options
FC7 Transfer function
turret
FC8 Transfer function
FC22 Direction selection
DB71 Loading locations
DB72 Spindles
DB73 Revolver
DB74 Basic function
Compile cycles
DB9 Interface
PLC compile cycles
Example:
Based on the memory requirements in the table above, the memory requirements have been
determined for two sample configurations (see table below).
Block Function
Type, No.
Working memory
Minimum configuration (1 spindle, 2 axes and T MCP)
see above Basic program, base
Interface DBs
MCP
Block Function
Type, No.
Working memory
Maximum configuration (2 channels, 4 spindles, 4 axes, T MCP)
see above Basic program, base
see above Interface DBs
see above MCP
see above Error/operating messages
see above ASUBs
see above Concurrent axis
see above PLC/NC communication
see above Tool management
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
P3: Basic PLC program for SINUMERIK 840D sl
13.15 Memory requirements of the basic PLC program
Load for tool management option
Load for tool management option
Load, when direction selection is needed
Generated by BP as a function of NC MD
Generated by BP as a function of NC MD
Generated by BP as a function of NC MD
Generated by BP as a function of NC MD
Is generated by BP as a function of NC option
Remark
Total
Remark
1 ASUB initiation
For 2 turrets
1 x read variable and 1 x write variable
2 turrets with one loading point each
84
132
138
40+30*B
40+48*Sp
40+44*R
100+(B+
Sp+R)*22
436
Block size (bytes)
54688
1612
92
56392
Block size (bytes)
54688
2768
92
66
128
132
838
674
899