Siemens Simatic S7-400 - Page 120

Networking
5-10
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Example: Terminating Resistor in the MPI Network
The figure below shows where you have to connect the terminating resistor in a
possible configuration for an MPI network.
RS 485
repeater
À
À
À
À Terminating resistor switched on
S7-400
S7-400
S7-400
Spur line
S7-300
À
OP
OP
Programming device
Programming device
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