Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
309
Communications processors for SIMATIC S7
Overview
For each SIMATIC S7 system there are communications processors that provide a
connection of a station (the so called system connection) to a communication network. This
means that S7 controllers can exchange data with other network nodes via Industrial
Ethernet or PROFIBUS. These network nodes can be other S7-CPs/CPUs or PCs with an
Ethernet card. This makes remote programming and diagnostics via the PG/PC possible.
With the communications processors that support PROFINET, PROFINET IO-compliant field
devices can be addressed directly.
Device versions
The following figure shows the various device types and the corresponding categories of the
SIMATIC S7 product line.
Figure 8-1 SIMATIC S7: CP communication processors for Industrial Ethernet
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