Ethernet Communication (ISO on TCP) between SIMATIC S5 and
SIMATIC S7-1500 Controllers
Entry-ID: 109482475, V1.2, 07/2019
1.2 Mode of operation
Schematic layout
The figure below shows a schematic overview of the most important components
and variants of this solution:
Figure 1-2
Setup
In this example, a SIMATIC S5-115U is used exemplarily on the S5 end. Basically,
however, the solutions presented here also work with S5-135U and S5-155U
controllers.
For these SIMATIC S5 controller families, the CP1430 TCP communication
processor is available which implements the TCP/IP and ISO-on-TCP (RFC 1006)
protocols as well as, based on this, the active/passive FETCH/WRITE service.
On the S7-1500 end, the coupling to the CP1430 TCP can be made via the
integrated PROFINET interface of the S7-CPU or via the Industrial Ethernet
interface of the CP1543-1. This results in various communication variants which
will be explained in detail in the following chapters.
Engineering is done for the
• SIMATIC S5 station with STEP 5 and the NCM COM 1430 TCP package
• SIMATIC S7-1500 station with STEP 7 V15.1 (TIA Portal).
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