Connecting A Programming Device (Pg) To Two Or More Nodes - Siemens S7-400 Installation Manual

Assembling the M7-400
8.7.4

Connecting a Programming Device (PG) to Two or More Nodes

Two Arrangements
To connect a programming device to two or more nodes, you must distinguish
between two arrangements:
• A programming device permanently installed in the MPI subnet
• A programming device connected for startup and maintenance
Depending on this, you connect the programming device to the other nodes as
follows (see also Chapter 5).
Programming device permanently installed
in the network
Programming device connected for startup
or maintenance
8-40
Arrangement
S7-400 and M7-400 Programmable Controllers Hardware and Installation
Connection
Directly incorporated in the MPI subnet
Programming device connected via spur
cable to a node
A5E00069481-04