Connecting A Pg To Multiple S7-300 Plcs - Siemens SIMATIC S7-300 Hardware And Installation Manual

Connecting the PG to Several Nodes
Stationary PG
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.
SF
BUSF
DC5V
FRCE
RUN
STOP
S7-300
Figure 9-5 Connecting a PG to multiple S7-300 PLCs
PG for commissioning or maintenance
1. Use a stub cable to connect the commissioning and maintenance PG to the
other subnet nodes. The bus connector of these nodes must be equipped with a
PG socket.
S7-300 Programmable Controller Hardware and Installation
A5E00105492-02
SIEMENS
Terminating resistor
switched on.
PG
PROFIBUS bus cable
SF
SIEMENS
BUSF
DC5V
FRCE
RUN
STOP
S7-300
Terminating resistor
switched on.
Commissioning
9-11