3-9
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
Figure 3-6 shows a possible MPI network configuration. The example
illustrates the distances that can be achieved in an MPI network.
RS 485
repeater
RS 485
repeater
max. 50 m
max. 50 m
max.
1000 m
Terminating resistor activated
C7
S7-300 S7-300
S7-300 S7-300
Connecting cable
➁
➁ PG connected via tap line for maintenance
0
12
0 ... x MPI addresses of the nodes
8
91011
3+4 5 6 7
OP 25
PG*
PG*
OP 25
OP 25
”Remote Segment”
À
À
À
À
À
À
À
Figure 3-6 Cable Lengths in an MPI Network
Example
Configuring an MPI Network
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