Siemens SINUMERIK 840D sl Function Manual page 898

P3: Basic PLC program for SINUMERIK 840D sl
13.15 Memory requirements of the basic PLC program
Basic program options
FC25 Transfer of MCP signals,
T variant
FC24 Transfer of MCP signals,
slim variant
FC26 Transfer of MCP signals,
HT8 variant
Handheld unit
FC13 Display control HHU
Error/operating messages
FC10 Acquisition FM/BM
ASUB
FC9 ASUB start
Basic program options
Star/delta changeover
FC17 Star/delta switchover of
MSD
Spindle control
FC18 Spindle control
PLC/NC communication
FB2 Read NC variable
DBn Read NC variable
FB3 Write NC variable
DBm Write NC variable
FB4 PI services
DBo PI services
DB16 PI services description
FB5 Read GUD variables
DBp Read GUD variables
DB15 General communication
FB7 PI services 2
DBo PI services 2
FC21 Transfer
M to N
FB9 Switchover M to N
Safety Integrated
FB10 Safety relay
FB11 Brake test
DB18 Safety data
Tool management
898
Must be loaded when T variant of MCP is installed
Must be loaded when slim variant of MCP is in‐
stalled
Must be loaded for HT8
Can be loaded for handheld units
Load when FM / BM is used
Load when PLC ASUBs are used
Load for star/delta switchover
Load for spindle control from PLC
Load for Read NC variable
One instance DB per FB2 call:
Load for Write NC variable
One instance DB per FB3 call:
Load for PI services
One instance DB per FB4 call:
Load for PI services
Load for PI services
One instance DB per FB5 call:
Global data block for communication
Load for PI services
One instance DB per FB4 call: every
Load with dual-port RAM, ...
Load with M to N
Load with Safety option
Load with Safety option
DB for Safety
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
92
100
68
144
66
128
114
132
76
270
76
270
76
130
618
76
166
146
76
144
164
58
74
76
308
Basic Functions