Siemens SIMATIC S7-400H System Manual page 225
Fault-tolerant systems
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Data set routing
The following figure shows the engineering station accessing a variety of field devices. The
engineering station is connected to the CPU via Industrial Ethernet in this scenario. The CPU
communicates with the field devices via the PROFIBUS.
Figure 14-4
Data set routing
See also
For more information on SIMATIC PDM, refer to the
S7-400H
System Manual, 03/2012, A5E00267695-11
14.1 Communication services
The Process Device Manager
Communication
manual.
225
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