Siemens Simantic ET200SP System Manual page 173

The following figure shows three configurations of a standard machine with the
corresponding station options of the ET 200SP distributed I/O system.
Figure 9-1
Advantages
● Simple project management and commissioning by using a single STEP 7 project for all
station options.
● Simple handling for maintenance, versioning and upgrade:
● Hardware savings: Only those I/O modules are installed that are required for the
machine's current station option.
● Savings potential in the creation, commissioning and the documentation for standard
machines.
● Simple station expansion by using pre-wired empty slots. To expand, you simply
exchange the BU cover for the new model.
Distributed I/O system
System Manual, 12/2016, A5E03576849-AG
Various configuration levels of a standard machine with the corresponding station
options of the ET 200SP distributed I/O system.
Configuration control (option handling)
173