02.2001 5 Start-up, Service and Maintenance
© Siemens AG 2001 All Rights Reserved
SINUMERIK 840Di System Overview (SYI) - 02.2001 Edition 5
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either directly in the form of lists or, more user-friendly, using the new Windows-
oriented start-up tool SinuCom NC via topic-oriented interactive screenforms.
Starting up the PLC
To start up the PLC, a S7 project consisting of the PLC user program and the
hardware configuration, must be created using STEP 7 (option) and be loaded into
the PLC. STEP 7 can run either on an external programming unit, such as PG740,
or directly on the PCU of the SINUMERIK 840Di.
The communication of STEP 7 with the PLC is carried out in both cases via the
MPI interface of the MCI Board.
The basic PLC program providing the data and function blocks for the basic
communication between PLC and NC is included in the scope of supply of the
SINUMERIK 840Di in the form of a SIMATIC S7 library.
In addition, the scope of supply of the SINUMERIK 840Di also includes a sample
hardware configuration which can serve as an example or extendable basis to
create the final configuration.
Series machine start-up
The series machine start-up function serves to simplify the start-up of control
systems of similar machines of a specific series. To this aim, the user interface of
SinuCom NC provides the possibility of storing the relevant start-up data of NC and
PLC in so-called series machine start-up files after the first control systems have
been started up.
After the series machine start-up files have been transferred to a SINUMERIK
840Di, this control system is started up by simply loading the series machine start-
up file into the appropriate component (NC or PLC) using SinuCom NC.
5.2 Starting up the drives
All drives offered by Siemens for the SINUMERIK 840Di
• SIMODRIVE 611 universal
• SIMODRIVE 611 universal E
• SIMODRIVE POSMO SI
• SIMODRIVE POSMO CD/CA
• SIMODRIVE POSMO A
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