Networking

Example Using a CPU 414-2

The figure below shows an example of a configuration with CPU 414-2 DP which is integrated in an MPI network and simultaneously used as DP master in a PROFIBUS-DP network.

In both networks, the node numbers can be assigned separately without conflicts resulting.

PG*

S7-400

{

S7-300

S7-400

{ OP

S7-300

S7-400 with

 

 

CPU 414-2 as

 

 

DP master

ET 200M

ET 200M {

OP

S7-400

OP



{

S7-200

RS 485 repeater

ET 200B

 

PROFIBUS-DP

ET 200B

MPI network

 

network

 

* Only connected via spur line for startup/maintenance

{

 

{Terminating resistor switched on Figure 5-8 Example with CPU 414-2

Automation System S7-400

Hardware and Installation

5-13

A5E00850741-01

 

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Image 111
Siemens S7-400 installation manual Example Using a CPU, Profibus-Dp