Table 4-5 Data blocks (DBs)
Address Icon Description
DB2 ALMSG_DB Interface between user program and AL_MSG [FC10], contains bit
arrays for blocking and stop signals as well as fault and status mes‐
sages.
Comment: If you use the DB2 variant "ExtendAlMsg = True", you
must copy it from the separate master copies folder
"ALMSG_DB_ExtendAlMsg". The other folders contain the variant
"ExtendAlMsg = False".
DB4 DB4 Block contains configuration data for tool management and the pa‐
rameterization of the alarms for the bit fields in the ALMSG_DB
[DB2] as fault or status message for the DB2 variant "ExtendAlMsg
= False".
DB5 DB5 Interface between user program and AL_MSG [FC10], contains the
parameterization of the alarms for the bit fields in the ALMSG_DB
[DB2] as fault or status message for the DB2 variant "ExtendAlMsg
= True".
DB7 gp_par Instance DB from RUN_UP [FB1]. Contains parameters for config‐
uring operating components and other parameters of the basic pro‐
gram.
DB8 DB8 DB only for internal use in the basic program.
DB10 NC Interface between user program and NC, contains signals from/to
the NC, PLC and operating software.
DB11 Mode group Interface between user program and mode groups, contains signals
from/to the NC, PLC and operating software.
DB15 DB15 General communication
DB16 PI Interface for PI_SERV2 [FB7], contains definitions for all available PI
services.
DB18 SPL Safety Integrated data (SPL)
DB19 MMC Interface for PI_SERV2 [FB7], contains definitions for all available PI
services.
DB21...DB30 Chan1...Chan10 Interface between user program and channel, contains signals from/
to channel 1...10.
DB31...DB61 Axis1...Axis31 Interface between user program and axis/spindle, contains signals
from/to axis/spindle 1...31.
DB71 TMLoadIF Interface between user program and tool management, contains
signals from/to Load/Unload magazine
DB72 TMSpindleIF Interface between user program and tool management, contains
signals for spindle as change position.
DB73 TMRevIF Interface between user program and tool management, contains
signals for turret.
DB77 DB77 MCP/BHG (SDB210)
DB1000 CtrlE Interface between user program and operating software, contains
energy saving profiles for Ctrl-Energy.
DB1001 SentronPac Interface between user program and operating software, contains
signals for SENTRON PAC energy monitoring devices.
Programming the PLC
4.1 General information about the PLC program
SINUMERIK STEP 7 Toolbox V15.1
64 Configuration Manual, 12/2018, A5E46279635B AA
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