PC Adapter USB
A5E01134250-01
6-1
6 PC Adapter USB on the MPI/DP Network
6.1 General
A maximum of 32 nodes can be connected to an MPI/DP network segment. The
total cable length may not exceed 50 meters. Several network segments can be
connected together using RS485 repeaters, thus allowing a maximum number of
127 network nodes. The maximum data transmission rate in the MPI/DP network is
12 Mbps.
The PC Adapter USB supports transmission rates up to 1.5 Mbps.
!
Warning
An extension cord should not be interconnected between the adapter and the
S7/M7/C7 system.
6.2 Use as a stand-alone system
The following illustration shows the connection to a stand-alone system (2 network
nodes).
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