Introduction
1.5 System components
1.5 System components
Introduction
The most important components of the system and their functions are shown below.
Table 1-2 Central components
Component Function
Control unit ... The central unit in the axis assembly
You can use the integrated fast digital I/O as:
• Homing inputs
• Inputs for measuring inputs
• User-addressable process inputs/outputs
The measuring sockets can output any analog
signals.
The DRIVE CLiQ interfaces permit a fast
connection to the SINAMICS drive components.
Line module (SINAMICS S120) ... Generates a DC link from the supply system
Motor module (SINAMICS S120) ... Used to control motors
CX32 ... Enables connection of additional axes
Power supply ... Provides the electronics power supply for
SIMOTION D, e.g., SITOP
System components
The control unit communicates with various components in the automation landscape using
two PROFIBUS-DP and two Ethernet interfaces.
Table 1-3 System components
Component Function
Control unit ... Central motion control module
The control unit communicates via two
PROFIBUS-DP interfaces with the following:
• S7 controllers with PROFIBUS interface
• SIMATIC HMI devices
• Other drives, e.g., SINAMICS S120
• Other control units
• Programming devices (PG/PC)
The control unit can communicate with the
followin
com
onents or be embedded in an
D4xx
Manual, 12.2004, 6AU1900-1AJ32-0BA0
1-5
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