P3: Basic PLC Program for SINUMERIK 840D sl
13.11 Memory requirements of the basic PLC program
Basic Functions
910 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
ASUB
FC 9 ASUB start Load when PLC ASUBs are used 128
Basic program options
Star/delta changeover
FC 17 Star/delta switchover of
MSD
Load for star/delta switchover 114
Spindle control
FC 18 Spindle control Load for spindle control from PLC 132
PLC/NC communication
FB 2 Read NC variable Load for Read NC variable 76
DB n Read NC variable One instance DB per FB 2 call 270
FB 3 Write NC variable Load for Write NC variable 76
DB m Write NC variable One instance DB per FB3 call 270
FB 4 PI services Load for PI services 76
DB o PI services One instance DB per FB 4 call 130
DB 16 PI services description Load for PI services 618
FB 5 Read GUD variables Load for PI services 76
DB p Read GUD variables One instance DB per FB 5 call 166
DB 15 General communication Global data block for communication 146
FB 7 PI services 2 Load for PI services 76
DB o PI services 2 One instance DB per FB4 call: every 144
FC 21 Transfer Load with dual-port RAM, ... 164
m:n
FB 9 Switchover M to N Load with M to N 58
Safety Integrated
FB 10 Safety relay Load with Safety option 74
FB 11 Brake test Load with Safety option 76
DB 18 Safety data DB for Safety 308
Tool management
FC 7 Transfer function
turret
Load for tool management option 84
FC 8 Transfer function Load for tool management option 132
FC 22 Direction selection Load, when direction selection is needed138
DB 71 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 100+(B+
Sp+R)*22
Basic program options
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