Assembling the M7-400
8-42
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Programming Device for Commissioning or Servicing
For commissioning or servicing purposes, connect the programming device via a
spur line to a node on the MPI subnet. The bus connector of this node must have a
programming device socket for this (see also Chapter 5).
Figure 8-19 shows a network with two M7-400s, to which a programming device is
connected.
PROFIBUS-DP bus cable
PG cable = spur line
M7-400
M7-400
Programming
device
Figure 8-19 Connecting a Programming Device to an M7-400 Subnet
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