Siemens SINUMERIK 840Di Function Manual page 1262

Detailed Description
2.10 Memory requirements of basic PLC program for 810D, 840D
Basic program options
FB 9 Switchover M to N
Safety Integrated
FB10 Safety relay
FB 11 Brake test
FB 18 Safety data
Tool management
FC 7 Transfer function
turret
FC 8 Transfer function
FC 22 Direction selection
DB71 Loading locations
DB 72 Spindles
DB 73 Revolver
DB 74 Basic function
Compile cycles
DB 9 Interface
PLC compile cycles
1): DB number must be specified by PLC user
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.
Minimum configuration (1 spindle, 2 axes and T MCP)
See above Basic program, base
Interface DBs
MCP
2-68
Load with M to N
Load with Safety option
Load with Safety option
Load with Safety option
Load for tool management option
Load for tool management option
Load if direction selection is required
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 value
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2512
354
780
226
420
1062
298
40+30*B
40+48*Sp
40+44*R
(
Sp+R)*20
436
Block size (bytes)
Working
memory
5398
1174
1328
7900
PLC Basic Program Solution Line (P3 sl)
(B+