Introduction to CPU 410-5H
2.2 Possible applications
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB
23
2.2
Possible applications
Important information on configuration
WARNING
Open equipment
S7–400 modules are classified as open equipment, meaning you must install the S7–400 in
an enclosure, cabinet, or switch room that can only be accessed by means of a key or tool.
Only instructed or authorized personnel are permitted to access these enclosures, cabinets,
or switch rooms.
The following figure shows an example of an S7–400H configuration with shared distributed
I/O and connection to a redundant plant bus. The next pages deal with the hardware and
software components required for the installation and operation of the S7–400H.
Figure 2-1
Overview