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3.2
Rules for Configuring a Network
Overview
In this section you will be shown
The rules for an MPI network and an L2 network are identical.
Rules
You must observe the following rules when connecting the nodes of a
network:
Note
For 3 Mbps and above, you may only use bus connectors with the order
numbers 6ES7 972-0B.10-0XA0 or 6ES7 972-0B.20-0XA0 for connecting
nodes.
Note
For 3 Mbps and above, you may only use the programming device
connecting cable with the order number 6ES7 901-4BD00-0XA0 to connect
the programming device.
C7-626 / C7-626 DP Control Systems
C79000-G7076-C626-01
Configuring MPI Networks and PROFIBUS-DP Networks
how to configure an MPI network
which rules you must observe.
Before you interconnect the individual nodes of the network, you must
assign the MPI address and the highest MPI address or the L2 address and
the highest L2 address for each node (with the exception of the RS 485
repeater).
Tip: Mark all nodes in a network with the address on their housings. In
this way, you can always see which node has been assigned which address
in your system.
Connect all nodes in the network as shown in Figure 3-5; that is, integrate
the stationary programming devices and OPs directly into the network.
Connect only those programming devices/OPs that are required for
startup or maintenance via spur lines to the network.
3
3-5
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