Detailed Description
2.10 Memory requirements of basic PLC program for 810D, 840D
PLC Basic Program Solution Line (P3 sl)
2-68 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Basic program options
FB 9 Switchover M to N Load with M to N 2512
Safety Integrated
FB10 Safety relay Load with Safety option 354
FB 11 Brake test Load with Safety option 780
FB 18 Safety data Load with Safety option 226
Tool management
FC 7 Transfer function
turret
Load for tool management option 420
FC 8 Transfer function Load for tool management option 1062
FC 22 Direction selection Load if direction selection is required 298
DB71 Loading locations Generated by BP as a function of NC MD 40+30*B
DB 72 Spindles Generated by BP as a function of NC MD 40+48*Sp
DB 73 Revolver Generated by BP as a function of NC MD 40+44*R
DB 74 Basic function Generated by BP as a function of NC MD ( (B+
Sp+R)*20
Compile cycles
DB 9 Interface
PLC compile cycles
Is generated by BP as a function of NC option 436
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 size (bytes)
Block
type no.
Function
Remark
Working
memory
Minimum configuration (1 spindle, 2 axes and T MCP)
See above Basic program, base 5398
Interface DBs 1174
MCP 1328
Total value 7900