Connecting A Pg To Multiple S7-300 Plcs - Siemens CPU 313C Hardware And Installation Manual

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1. Use bus connectors to connect a stationary PG in the MPI subnet to the other
nodes of the MPI subnet.
The following picture illustrates two networked S7-300s which are connected to
one another using bus connectors.
Figure 9-2 Connecting a PG to multiple S7-300 PLCs
 PROFIBUS bus cable
 Connector with inserted terminating resistor
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
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