Siemens S7-400 - Terminating Resistor on MPI Network

Networking
5-10
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
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



 Terminating resistor switch on
S7-400
S7-400
S7-400
Spur line
S7-300

OP
OP
PG
Programming device
Figure 5-5 Terminating resistor on MPI network